Gas Calculator

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Calculates the estimated gas usage and cost for a car trip based on distance, fuel efficiency, and gas price.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Distance (miles), Fuel Efficiency (miles per gallon), and Gas Price ($/gallon) in the units shown.

Step 2

Read Gallons Used and Total Cost of Gas in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Distance (miles): 50; Fuel Efficiency (miles per gallon): 30; Gas Price ($/gallon): 3.75

Gallons Used: 1.666666667 gallons; Total Cost of Gas: 6.25 $

Distance (miles): 25; Fuel Efficiency (miles per gallon): 25; Gas Price ($/gallon): 3.5

Gallons Used: 1 gallons; Total Cost of Gas: 3.5 $

Distance (miles): 500; Fuel Efficiency (miles per gallon): 30; Gas Price ($/gallon): 4

Gallons Used: 16.66666667 gallons; Total Cost of Gas: 66.66666667 $

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