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Both of these fields involve problem-solving and creative thinking, which he greatly enjoys. In his free time, he loves improving his critical and innovative thinking by playing chess and solving puzzles. He also likes exploring new things to learn by participating in online crowdsourcing contests or trying out new “IoT” devices. [See full profile](https://www.omnicalculator.com/authors/kenneth-alambra) Check our [editorial policy](https://www.omnicalculator.com/editorial-policies) Reviewers Purnima Singh, PhD  Purnima SinghPhD Research Gate Purnima is a scientist-turned-educator with a Ph.D. in Physics from IIT Kharagpur and 10+ years of research and teaching experience. She is a Marie Skłodowska-Curie Fellow and has published over 50 articles in peer-reviewed scientific journals like PRL, PRC, etc. She strongly advocates financial independence for women and always tries to advise friends and family on financial matters. In her spare time, she loves traveling and reading. [See full profile](https://www.omnicalculator.com/authors/purnima-singh) Check our [editorial policy](https://www.omnicalculator.com/editorial-policies) ### Based on 1 source 1. John Misachi [WorldAtlas](https://www.worldatlas.com/articles/how-much-does-gasoline-weigh.html); October 6th 2017 602 people find this calculator helpful 602 Table of contents - [What is fuel consumption?](https://www.omnicalculator.com/everyday-life/fuel-consumption#what-is-fuel-consumption) - [How to calculate the fuel consumption of a vehicle](https://www.omnicalculator.com/everyday-life/fuel-consumption#how-to-calculate-the-fuel-consumption-of-a-vehicle) - [How to use this fuel consumption calculator](https://www.omnicalculator.com/everyday-life/fuel-consumption#how-to-use-this-fuel-consumption-calculator) - [Other related calculator](https://www.omnicalculator.com/everyday-life/fuel-consumption#other-related-calculator) - [FAQs](https://www.omnicalculator.com/everyday-life/fuel-consumption#faqs) 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](https://www.omnicalculator.com/conversion/fuel-economy-converter) 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: Fuel consumption \= Fuel used Distance traveled \= 100 L 1320 km \= 0\.07576 L / km \\scriptsize \\begin{align\*} \\text{Fuel consumption} &= \\frac{\\text{Fuel used}}{\\text{Distance traveled}}\\\\\\\\ &= \\frac{100\\ \\text{L}}{1320\\ \\text{km}}\\\\\\\\ &= 0.07576\\ \\text{L}/\\text{km} \\end{align\*} Fuel consumption​\=Distance traveledFuel used​\=1320 km100 L​\=0\.07576 L/km​ 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: Fuel consumption \= 0\.07576 L km × 100 km 100 km \= 7\.576 L / 100 km \\scriptsize \\begin{align\*} \\text{Fuel consumption} &= 0.07576\\ \\tfrac{\\text{L}}{\\text{km}}\\times \\frac{100\\ \\text{km}}{100\\ \\text{km}}\\\\\\\\ &= 7.576\\ \\text{L}/100\\ \\text{km} \\end{align\*} Fuel consumption​\=0\.07576 kmL​×100 km100 km​\=7\.576 L/100 km​ 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 efficiency1​ ## 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](https://www.omnicalculator.com/everyday-life/fuel-cost); - [Fuel distance calculator](https://www.omnicalculator.com/everyday-life/fuel-distance); and - [Fuel mileage calculator](https://www.omnicalculator.com/everyday-life/fuel-mileage). ## FAQs ### 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**: 1. 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)`**. 2. 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. ### Related calculators - [Audiobook Speed Calculator](https://www.omnicalculator.com/everyday-life/audiobook-speed) Distance traveled Fuel used Fuel economy Fuel consumption ## Trip cost Share result Reload calculator Clear all changes Did we solve your problem today? Yes No Check out 33 similar transportation calculators 🚘 0-60 Boat speed Boost horsepower We make it count\!  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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](https://www.omnicalculator.com/conversion/fuel-economy-converter) 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: Fuel consumption \= Fuel used Distance traveled \= 100 L 1320 km \= 0\.07576 L / km \\scriptsize \\begin{align\*} \\text{Fuel consumption} &= \\frac{\\text{Fuel used}}{\\text{Distance traveled}}\\\\\\\\ &= \\frac{100\\ \\text{L}}{1320\\ \\text{km}}\\\\\\\\ &= 0.07576\\ \\text{L}/\\text{km} \\end{align\*} 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}, as shown below: Fuel consumption \= 0\.07576 L km × 100 km 100 km \= 7\.576 L / 100 km \\scriptsize \\begin{align\*} \\text{Fuel consumption} &= 0.07576\\ \\tfrac{\\text{L}}{\\text{km}}\\times \\frac{100\\ \\text{km}}{100\\ \\text{km}}\\\\\\\\ &= 7.576\\ \\text{L}/100\\ \\text{km} \\end{align\*} 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}}} ## 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. ## FAQs ### 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**: 1. 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)`**. 2. 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.