trip gas consumption calculator

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Trip Fuel Cost Calculator

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate amount of fuel consumed and estimated cost of fuel (gas) for a journey or road trip.

Trip Distance: Mile(s) Kilometer(s)

Fuel Economy: miles per gallon [US] miles per gallon [Imp.] kilometers per liter liters per 100 kilometers gallons [US] per 100 miles

Gas Price: per gallon [US] per gallon [Imp.] per liter

Android: Use this trip fuel calculator offline with our all-in-one calculator app.

Fuel consumption calculation

We calculate the total fuel required to cover the distance with your vehicles fuel economy number and then multiply that with the gas price to find the total fuel cost for the trip.

Select the fuel economy unit used in your country from the options provided viz., miles per gallon (mpg) , kilometers per liter (kmpl) , liters per 100 kilometers and gallons per 100 miles . Our calculator will take care of all conversions required for finding the total fuel consumption and trip cost.

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Trip Fuel Cost Calculator: Miles or Kilometers, Gallons or Liters

This calculator will estimate your trip fuel cost based on the travel distance, your vehicle's fuel economy rating, and on the price of one gallon or one liter of gasoline.

Plus, if the riders are splitting the trip's fuel cost, the kilometers or miles to gas cost calculator will calculate each person's share (i.e., "How much gas money should I give?").

If you don't know the distance your journey will cover, you can use the Distance Calculator section of the Drive Time Calculator to map your route and calculate the distance.

Also on this page:

• Miles to money calculator.
• How to calculate trip fuel cost.

Trip Fuel Cost Calculator

Calculate your trip's fuel cost based on the distance, your vehicle's fuel economy, and on the price per unit of gas.

Selected Data Record:

A Data Record is a set of calculator entries that are stored in your web browser's Local Storage. If a Data Record is currently selected in the "Data" tab, this line will list the name you gave to that data record. If no data record is selected, or you have no entries stored for this calculator, the line will display "None".

Fuel economy:

Enter your vehicle's fuel economy rating.

Price of one unit of gasoline:

Enter the current price of one unit (liter or gallon) of gasoline (or diesel fuel), but without the dollar sign.

Number of persons splitting gas cost:

Optional: If you are splitting the gas cost with other passengers, enter the total number of persons splitting the cost, including yourself. If no one is sharing the cost, leave blank or enter 0 or 1.

Fuel units required:

Based on your entries, this is the number of units of gasoline that will be needed for the trip.

Trip fuel cost:

Based on your entries this is the estimated total fuel cost for the trip.

Fuel cost per distance unit:

Based on your entries this is the estimated fuel cost per distance unit (mile or kilometer).

Share of cost per person:

Based on your entries this is cost for each person sharing in the gas trip cost, if applicable.

If you would like to save the current entries and results to the device you are using, tap or click on the Data tab and then tap or click on the Save button. If you upgrade your Basic, Local Storage subscription to the Cloud Storage acess level, you can save multiple sets of entries for this calculator to the secure online database, which makes them accessable from any device.

Related Calculators

Help and tools, how to calculate trip fuel cost, plus a miles to money calculator., miles to money calculator.

Once you've used the Trip Fuel Cost Calculator to calculate your gas cost per distance unit, you can then use the following calculator to convert miles or kilometers into gas money and total driving costs (per the IRS business per-mile deduction).

How to Calculate Trip Fuel Cost

The basic formula for calculating trip fuel costs is as follows:

However, the method for solving the trip fuel cost formula depends on which fuel economy rating method you use. I will cover 4 of the most common methods below.

Miles Per Gallon Method

Liters per 100 kilometers method, liters per mile method, kilometers per liter method.

If you would like me to add a different fuel economy method, please let me know using expandable feedback from below the road trip fuel cost calculator.

Adjust Calculator Width:

Move the slider to left and right to adjust the calculator width. Note that the Help and Tools panel will be hidden when the calculator is too wide to fit both on the screen. Moving the slider to the left will bring the instructions and tools panel back into view.

Also note that some calculators will reformat to accommodate the screen size as you make the calculator wider or narrower. If the calculator is narrow, columns of entry rows will be converted to a vertical entry form, whereas a wider calculator will display columns of entry rows, and the entry fields will be smaller in size ... since they will not need to be "thumb friendly".

Show/Hide Popup Keypads:

Select Show or Hide to show or hide the popup keypad icons located next to numeric entry fields. These are generally only needed for mobile devices that don't have decimal points in their numeric keypads. So if you are on a desktop, you may find the calculator to be more user-friendly and less cluttered without them.

Stick/Unstick Tools:

Select Stick or Unstick to stick or unstick the help and tools panel. Selecting "Stick" will keep the panel in view while scrolling the calculator vertically. If you find that annoying, select "Unstick" to keep the panel in a stationary position.

If the tools panel becomes "Unstuck" on its own, try clicking "Unstick" and then "Stick" to re-stick the panel.

Fuel Consumption And Fuel Cost Calculator (gas Calculator)

This free fuel consumption calculator estimates the fuel cost of your trip based on average fuel consumption, trip distance, and fuel price! Use this gas calculator to find out consumption and price of the gas instantly!

Fuel Calculator

Table of contents, how to calculate fuel consumption, how to use gas calculator, why gas costs, public transportation, car-sharing or carpool, fuel-efficient vehicles, tune the engine, tire adjustment, proper motor oil, efficient travel planning, factors that impact the fuel prices, intervention by the government, financial markets, geographical area, weather or natural disasters, how does gas calculator work, what does mpg mean, gas mileage calculator.

Fuel Consumption And Fuel Cost Calculator (gas Calculator) English

Fuel consumption and fuel cost calculator (gas calculator) in other languages, how to add fuel consumption and fuel cost calculator (gas calculator) to my website.

You can easily add Fuel Consumption And Fuel Cost Calculator (gas Calculator) to your own website with the help of our code. Paste the code to your website and the calculator will appear on that spot automatically!

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Adding Fuel Consumption And Fuel Cost Calculator (gas Calculator) to your Wordpres website is fast and easy! Find the page to which you want to add the calculator, go to edit mode, click 'Text', and paste the code to there.

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Fuel Economy Calculator

Our easy-to-use calculator allows you to determine a car's fuel economy using just two figures: the amount of fuel consumed during a journey and the distance of this trip.

To use the calculator, simply enter the distance you traveled and the amount of fuel you used to get from your origin to your destination and click the "Calculate" button. You will then receive an estimation of the average fuel economy.

Distance (D): Miles Km

Fuel Used (F): Gallons (US) Gallons (UK Imperial) Liters

How your fuel economy is calculated

Fuel economy is represented as the ratio of distance to fuel consumed. Where the imperial system of units is used, fuel economy measurements are given in MPG (miles per gallon). Where metric units are used, fuel economy measurements are given in either KPL or KMPL (kilometers per liter). A higher fuel economy ratio indicates a more fuel-efficient vehicle.

In some nations, fuel consumption rather than fuel economy is used to measure the fuel efficiency of a vehicle. Measured as L/100km (liters per 100 kilometers), fuel consumption measurements express how much fuel is consumed over a certain distance while fuel economy expresses how far a car can go on a certain amount of fuel. Consequently, a lower fuel consumption ratio indicates a more fuel-efficient vehicle. If you have calculated the KMPL of your car, just divide the number 100 by the KMPL figure to determine your car's fuel consumption.

Both fuel economy and consumption can be easily calculated if you know how far you have traveled and much fuel you used to travel this distance. You will get a more accurate result if you fill up your tank before you set off. Make sure your odometer is set to '0' and drive as you normally would. Then, when you feel you have driven far enough, go to a gas station, take note of how far you have traveled, and fill your tank once more, recording how much gas is required to get a full tank.

To calculate MPG, the following equation is used:

MPG = D / F

where ' D ' or distance is in miles and ' F ' or fuel is in gallons.

To calculate KMPL, the following equation is used:

KMPL = D / F

where ' D ' or distance is in kilometers and ' F ' or fuel is in liters.

If you want to convert MPG as measured in US gallons into KMPL, the following equations are used:

MPG = 2.352145836 × KMPL

KMPL = 0.425143707 × MPG

If you want to convert MPG as measured in imperial gallons into KMPL, the following equations are used:

MPG = 2.824810534 × KMPL

KMPL = 0.35400604 × MPG

You may also be interested in our Lease Mileage Calculator or Power to Weight Ratio Calculator

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Cost of Driving Calculator

Fuel cost calculator, cost to drive between cities.

Travelmath provides an online driving cost calculator to help you determine how much you'll spend on gas for your next road trip. You can enter airports, cities, states, countries, or zip codes to compute the cost of driving between locations. Driving distances are calculated using actual driving directions if they are available, or a GPS-accurate method for the straight line distance . Automatic estimates are provided for local gas prices and vehicle fuel efficiency in miles per gallon (mpg) or liters per 100 kilometers (L/100 km), based on the make and model of your car, SUV, or minivan. Don't let the economy and rising oil prices stop you from taking your next trip. You can use this tool to find out if it's cheaper to fly or drive to your destination.

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Gas Mileage (MPG) Calculator

Use this gas mileage calculator to easily calculate the gas mileage of a vehicle: car, bus, truck, etc. in miles per gallon (mpg), kilometers per liter... Calculate your fuel cost efficiency in USD per mile, miles per $, etc.

• How to calculate miles per gallon?
• MPG formula
• How to get better gas mileage?
• Fuel economy vs. fuel efficiency. The MPG illusion.
• Issues with averaging fuel economy in MPG

* see the explanation about the MPG illusion in the "Fuel economy vs. Fuel Efficiency. The MPG illusion." section below.

    How to calculate miles per gallon?

To calculate gas mileage, using our MPG calculator or otherwise, you need to know three things: the previous reading of your odometer (in miles or kilometers), the current reading of the odometer, and the amount of fuel you put in your tank during the previous refill. That is all. Our online gas mileage calculator supports both gallons and miles, as well as liters and kilometers.

The output is gas mileage in mpg (miles per gallon) or km/l (kilometers per liter), depending on the metric system you chose. If you supply price per gallon or price per liter, the gas calculator will also output gas cost per mile and miles per 1 USD, and if using the metric system the fuel cost will be in currency per kilometer (e.g. $ per km) and km per $.

    MPG formula

The formula to calculate mpg is:

Gas mileage mpg = (Current reading - Previous reading) / (Gas added to tank)

Calculating the cost per mile (or cost per kilometer), which is something our mpg calculator also does, is just a matter of a slight modification of the above formula:

Gas cost miles per $ = (Price per gallon x Gas added to tank) / (Current reading - Previous reading)

In both formulas above "current" and "previous" reading refers to the reading of your odometer in miles or kilometers at the point of the previous refilling of the tank and at the current (latest) one. These are also the equations used in our MPG calculator.

    How to get better gas mileage?

If you don't like the result from our MPG calculator and wonder how you can get a better gas mileage from your vehicle, we have some advice for you. You can cover more miles (or kilometers) with less fuel by following these 10 tips for improving mpg that can result in significant savings in gas costs, especially when applied consistently:

• Drive sensibly - Driving aggressively, driving too fast compared to other cars, the practice of constantly overtaking other vehicles, and rapid acceleration followed by braking wastes a lot of gas. According to some estimates, quick starts and hard stops can increase gas consumption by more than 30% ! Driving sensibly can result in a huge improvement in mpg.
• Observe the speed limit - Different vehicles have optimal fuel economy at different velocities, but one way to increase gas mileage is to avoid driving at higher speeds. A small reduction of your speed, say from 70 mph to 60 mph (equivalently: from 115 km/h to 100 km/h) can help you save 10 to 20% due to lower fuel consumption. This will improve the results you see from our MPG calculator.
• Follow the leader - drive at about the speed of the vehicle in front of you, if they are following the first 2 tips above. This will make sure you need to accelerate and decelerate as little as possible. If possible, overtake drivers who do not follow them, as it will make it very hard for you to do so.
• Check your tires - make sure your tire pressure is at optimal levels as indicated in the owner's manual provided by the manufacturer. If the tire pressure is too low your mileage will decrease significantly, not to mention that the car may become dangerous to drive.
• Smart routing - try to take optimal paths to reach your desired destination. Learn the different modes of route selection your GPS supports - shortest is not always fastest and idling stuck in traffic will waste fuel. Use live map services such as Google Maps to monitor for traffic congestions on the planned route. Using a route you know well might also help improve gas efficiency as it will decrease the unnecessary changes of speed.
• Air conditioning - turning the air conditioning off will most likely improve your mpg efficiency by about 10-15%, and you will also accelerate quicker when needed. If it is necessary, make sure you do not set it to unreasonably low or high levels. Air temperature in the range between 64°F - 75°F (18°C - 24°C) is comfortable for most people. Due to the law of thermodynamics, each subsequent degree of heating or cooling requires progressively more energy to accomplish and maintain.
• Remove excess weight - make sure you remove all heavy items that you do not need in that particular trip from your trunk. The lighter the car, the better mpg calculation you will get from our gas calculator.
• Turn on cruise control - when driving on a highway, use your cruise control option. It will save you gas by keeping your speed constant better than you can.
• Avoid idling - idling results in a calculation of 0 miles per gallon. The larger the car engine, the more gas is wasted when idling. Avoid excessive idling, when possible, in line with point #5 above. This will result in a better MPG calculator result.
• Maintain your vehicle - a well-maintained car, truck, van, SUV, etc. will operate at greater efficiency. Exact mpg improvement is hard to calculate, as it will depend on the type of maintenance work your vehicle needs.

All the above advice will help, but what can you do if you have been following the above advice, yet our mpg calculator still results in very high numbers for gas costs? It could be time for a new, more efficient car, or it could be just the gas price fluctuations over which, unfortunately, you have no direct influence. Fuel prices in most locations include license fees and other state or local government taxes, in some places reaching as much as 50% of the final price. Financial market fluctuations, natural disasters or extreme weather, crisis, as well the geographical area you are in and the local fuel suppliers all influence the price of gas. All you can do is try to observe them and predict when you can get a more decent price.

    Fuel economy vs. fuel efficiency. The MPG illusion.

To use an MPG calculator without being misled one needs to understand the MPG illusion. First, basic terminology. The term fuel economy is used when speaking about miles per gallon or kilometers per liter (mpg, km/l). The term fuel efficiency is used when speaking about gallons per mile or gallons per 1,000 miles, and liters per kilometer or liters per 100 km. The first is mostly used in the U.S., U.K., India, Japan, South Korea, Latin America, Denmark, Netherlands, while the second is preferred in most of Europe, Canada, Australia, New Zealand, China, Uruguay, Paraguay and a couple of other countries.

The relationship between the two is non-linear and improvements in miles per gallon can be very deceptive, while fuel efficiency in gallons per mile or liters per km are much more straightforward to understand, as noted on fueleconomy.gov [1] :

"While a miles per gallon (MPG) estimate is a required feature that has appeared on the fuel economy label for several decades, this metric can be potentially misleading when consumers compare fuel economy improvements, particularly when they use it in place of fuel costs. [...] A fuel consumption metric allows for more accurate energy usage comparisons among vehicles."

The graph below illustrates what the U.S. Department of Energy dubs "the MPG Illusion".

The difference in change rate, or the rate of improvement in MPG relative to the gallons a vehicle uses per 1,000 miles stems from the non-linear relationship between the two metrics. For example, an improvement of 5 MPG from 10 MPG to 15 MPG results in about 31 gallons saved over 1,000 miles, while the same 5 MPG improvement, but from 25 MPG to 30 MPG results in less than 7 gallons in fuel costs saved per 1,000 miles.

The illusion is more pronounced if you try to extrapolate or compare gas savings in lower MPG numbers to saving in higher MPG numbers. This MPG illusion is the reason our gas mileage calculator also outputs fuel efficiency in gallons per 1,000 miles.

    Issues with averaging fuel economy in MPG

Fuel efficiency and fuel economy can be tricky concepts as demonstrated above, but this also extends to averaging MPG data. For example, let us say you want to compare two types of cars: A and B. You put two researchers, one American and one French, to the task, with the first using miles per gallon as an efficiency metric, and the second using gallons per mile. You have each researcher record the efficiency of 2 cars of each type (the data available is the same for both), and the results recorded by them look like so:

Data for car type A:

Data for car type B:

Average above means the arithmetic mean . The US engineer will see that for type A the average is 2.5 while for type B it is just 2.0, concluding that type A is more efficient than type B as it can cover a larger distance with a gallon of gas. The French will see that for type A the average is 0.625 while for type B it is 0.5 and will conclude that type B is more efficient than type A, as the car will use less fuel to cover the same distance. The two researchers would come to different conclusions as they are using different metrics! Note that our MPG calculator will produce both metrics for you automatically.

But who is right in the above example? Most people would argue that when we calculate gas efficiency we care about how much fuel we would need to cover a given distance . In such a case the French researcher is correct, as the average is misleading the US researcher. Here is an explanation why: if you were to take both cars of type A and want to cover 100 miles with each of them, you would need not 200 / 2.5 = 80 gallons, but 125 gallons of gas (100 gallons for the first car and 25 gallons for the second). The French will get it right by multiplying 200 x 0.625 = 125. For type B both researchers will correctly estimate that 100 gallons will be required for the same task. Therefore, type B is more efficient than type A.

However, if you define efficiency as covering the greatest distance given a certain fuel amount , then the US researcher would be correct. If we give each car of type A a gallon of fuel, they will cover 5 miles combined while giving each car of type B a gallon of fuel, they will cover only 4 miles combined. It follows that type A is more efficient than type B using this definition. Note that the mpg average is not misleading in this case, as it is 2.5 mpg, and 2 x 2.5 = 5, which is correct.

The above is an illustration of why when using our gas mileage calculator in mpg, as well as other such tools, it is important to keep track of the end goal and define the question at hand precisely, before measuring and making conclusions. It is also a lesson on applying appropriate data transformations. The arithmetic average is not invariant to monotonic transformations, so this is an issue when averaging performance of two or more vehicles, or when averaging the performance of a single vehicle in different situations , e.g. highway fuel consumption and city drive consumption could replace Car 1 and Car 2 in the above table and produce the same result.

The car example uses as basis one from Hand D. 1994 [2] .

    References

1 U.S. Department of Energy, "Gasoline Vehicles: Learn More About the Label" [online] https://www.fueleconomy.gov/feg/label/learn-more-gasoline-label.shtml#fuel-consumption-rate - point 5: Fuel Consumption Rate, accessed on Mar 22, 2018

2 Hand D. (1994) "Deconstructing Statistical Questions", Journal of the Royal Statistical Society , Series A, Vol.157-3:317-356

Cite this calculator & page

If you'd like to cite this online calculator resource and information as provided on the page, you can use the following citation: Georgiev G.Z., "Gas Mileage (MPG) Calculator" , [online] Available at: https://www.gigacalculator.com/calculators/mpg-calculator.php URL [Accessed Date: 24 Apr, 2024].

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Fuel Consumption Calculator

Table of contents

This fuel consumption calculator will help you estimate the amount of fuel a vehicle consumes at particular distances like 100 km, 10 km, and miles, to name a few, which we commonly use in determining fuel or gas consumption. In this calculator, you will learn the following:

• What fuel consumption is;
• How to use this fuel consumption calculator; and
• How to calculate the fuel consumption of a vehicle.

Keep on reading to start learning.

What is fuel consumption?

When we travel by land using a fuel-powered vehicle, we either spend too much on fuel or don't really care about it (talk about life goals). However, for most of us who want to budget our travels , knowing our vehicle's fuel or gas consumption from a recent long trip can help us plan our future rides better.

Fuel consumption is a measure of how efficiently a vehicle uses up fuel, comparable to fuel economy (or fuel efficiency). Fuel economy quantifies a car's efficiency by how far a vehicle travels using a particular amount of fuel, i.e., in miles per gallon (MPG) or kilometers per liter (kmpl).

On the other hand, fuel consumption tells us how much fuel a vehicle burns fuel at a certain distance , e.g., in liters per kilometer (L/km) or liters per 100 kilometers (L/100km) .

How to calculate the fuel consumption of a vehicle

Let's say we want to know a vehicle's fuel consumption that consumes two full tanks, in this case, 100 liters , to travel a total distance of 1320 km from France to Italy with some detours. To find the fuel consumption of this vehicle, we can substitute our known parameters in this fuel consumption formula to have:

From our calculation, we found that the vehicle consumes 0.07576 liters of fuel per kilometer. For a better perspective, we can convert it to the more typical unit of liters per 100 kilometers by multiplying our calculated value by 100  km / 100  km 100 \text{ km}/100 \text{ km} 100  km /100  km , as shown below:

Now that is easier to imagine. 🙂

💡 Consequently, if you know the fuel efficiency of your vehicle, you can simply take its reciprocal to find your vehicle's fuel consumption, as shown in this fuel consumption formula:

Fuel consumption = 1 Fuel efficiency {\text{Fuel consumption} = \frac{1}{\text{Fuel efficiency}}} Fuel consumption = Fuel efficiency 1 ​

How to use this fuel consumption calculator

For faster fuel or gas consumption calculation, you can use our calculator by entering the distance traveled and the fuel used to determine the fuel consumption instantly.

You can expand the section "Trip cost" to enter the fuel price to calculate your total trip cost in terms of fuel.

Other related calculator

If you want to learn more about fuel usage of vehicles, particularly regarding the economy of consuming fuel, here is a list of our other fuel and gas consumption calculators you can check out:

• Fuel cost calculator ;
• Fuel distance calculator ; and
• Fuel mileage calculator .

How do I calculate fuel cost per mile?

To calculate fuel cost per mile, say a vehicle traveled 45 miles and used 1.75 US gallons of fuel :

First, determine the fuel consumption by dividing the fuel used by the distance traveled:

1.75 US gallons / 45 miles = 0.03889 gal/mi (US) .

Then, multiply the fuel consumption by the fuel price , say $8 per US gallon . We then have 0.03889 gal/mi (US) × $8 per US gallon = $0.31111/mi ≈ $0.31/mi .

How do I calculate fuel consumption per 100 km?

To calculate fuel consumption per 100 km , divide the amount of fuel used in liters by the distance in kilometers and multiply the product by 100 . If you want to find the fuel consumption per 10 km , perform the same first step but multiply the product by 10 instead of 100.

Distance traveled

Fuel economy

Fuel consumption

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Gas Mileage Calculator

An easy way to calculate gas mileage is to remember the odometer reading or to reset the mileage counter when filling up a gas tank. When doing so next time, obtain the mileage accrued between the two gas fill-ups. Then divide the mileage figure by the amount of gas filled the second time to obtain the gas mileage.

Related Mileage Calculator | Fuel Cost Calculator

How to Improve Gas Mileage?

Carpooling, public transport, or walking/bicycling are the best options for someone looking for the best possible gas mileage, or fuel efficiency. If not viable, here are some pointers to getting the most fuel efficiency:

• Drive a fuel-efficient vehicle –Please visit fueleconomy.gov/feg/bestworst.shtml for the fuel efficiency comparison between different vehicles. Overall, 4-wheel drive vehicles tend to be less fuel efficient than FWD or RWD. By powering all four wheels, the engine works harder to move a car the same speed at higher speeds.
• Tires –Under-inflated tires can lower gas mileage by 0.3% per PSI drop due to wasteful transfer of energy dissipating into the mushiness of the tires when they are underinflated. Rigidity in tires allows for greater frictional interaction between rubber and the road, imparting forward momentum. It is best to consult the driver's manual (also usually available online) or the side markings of the tires to find the optimal PSI range. Also, ensure that wheels are properly aligned.
• When allowed by speed limits, 55 MPH (90 km/h) is best for gas vehicles –According to studies by the U.S. Department of Energy, the optimal speed for fuel efficiency is 55 MPH, but this may vary depending on the given vehicle. Use cruise control when possible, such as on long, straight, and rural highways. According to the Department of Energy, maintaining constant speeds using cruise control helps reduce unnecessary acceleration and deceleration, which improves fuel efficiency. Relative to the optimal speed of 55 MPH, on average, a vehicle is:
• 3% less efficient at 60 MPH (97 km/h)
• 8% less efficient at 65 MPH (105 km/h)
• 17% less efficient at 70 MPH (113 km/h)
• 23% less efficient at 75 MPH (121 km/h)
• 28% less efficient at 80 MPH (129 km/h)
• Don't be aggressive –Steadiness and consistency win the race when it comes to fuel efficiency. Aggressive acceleration churns the engine harder, siphoning more oil. Try not to have as heavy a foot as steady acceleration is not only much safer but is more efficient and is kinder to the depreciation of the vehicle. Also, aggressive braking can have a toll on fuel efficiency because drastic drops in speed will only promote drastic increases in speed, on top of faster wear and tear on brakes. Adhering to these principles can improve gas mileage by roughly 15% to 30% at highway speeds and 10% to 40% in stop-and-go traffic.
• Keep vehicles in good shape –It is possible to improve gas mileage by 1-2% simply by using the recommended motor oil. If the driver's manual states 10W-30 as the recommended, do not use 5W-30! Keep the engine properly tuned, ensure the oxygen sensor is in good shape, and solve any failed emissions test right away. Also, check air filters every few months to see if they are clogged; a lot of times, debris from outside gets sucked into them, depriving proper airflow into the engine.
• Remove unnecessary weight –This is based on an important physics principle – the heavier the object, the more energy (fuel, in our case) is required to move it. When aiming for the best fuel efficiency, driving a smaller, lighter car can be a good start, but anyone can benefit from removing weight from their current car; try to remove any heavy items that are not being used. For example, hitching a trailer to the back of a vehicle when it is not being used on your everyday commute unnecessarily increases the weight of the car, which decreases fuel efficiency.
• Roll up the windows –Open windows add extra resistance to moving vehicles. Because highway driving involves such high speeds, a massive burden in the form of drag pushes against the forward momentum of a traveling car, causing the engine to work harder in order to maintain the same speed. Highway driving is usually more fuel efficient when the windows are rolled up to alleviate drag, even with the AC on instead. However, drag doesn't only apply to open windows. A roof rack or bike rack not only adds weight to the vehicle, but also increases drag, decreasing fuel efficiency.
• Air-conditioning –Fuel economy suffers in especially hot climates because of the partitioning of oil required to power the air-conditioning. A vehicle's fuel economy can drop by 25% in hot climates due to AC usage. It can be helpful not to have the AC unnecessarily high, especially when the car is idle; AC systems are more efficient when the car is moving.
• Avoid unnecessary idling –An idle vehicle gets 0 mpg.

Not only do these tips save drivers money on fuel and maintenance on their vehicles, but being conscious of fuel economy has many positive environmental impacts.

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Fuel Trip Calculator: Calculate Your Fuel Trip Costs Instantly

Input your vehicle details, the price of gas and how many kilometres you drive into our calculator and instantly find out the cost of your trip

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With gas prices changing every day (and in every place), it can be difficult to know just how much your daily commute and other trips are costing you.

Fuel Trip Calculator: Calculate Your Fuel Trip Costs Instantly Back to video

Our fuel trip calculator can help! Using fuel efficiency data from Natural Resources Canada, the calculator can estimate how much you’re spending on gas each day — or how much you’ll spend on gas for your next road trip.

Save Money on Fuel Trips with a Top-Rated Fuel Trip Calculator

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If you’re looking to cut down how much you spend on gas, Natural Resources has tips for more fuel-efficient driving:

• Accelerate gently

• Drive at a steady speed (50-80km per hour is the most efficient range for many vehicles)

• Coast to decelerate

• Avoid idling

• Avoid carrying unnecessary weight

• Limit the use of air conditioning and other powered accessories

• Limit all-wheel and four-wheel drive

Data for the calculator comes from Natural Resources Canada, which publishes fuel efficiency figures for most makes and models of cars sold in Canada. The calculator assumes a combination of city and highway driving for determining fuel efficiency, so costs will be higher if you drive primarily in a city, where fuel efficiency tends to be lower.

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