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Plug-in Hybrid Economy Calculator

Everyday life
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Calculate your plug-in hybrid's real-world fuel economy by tracking electric miles, gas miles, and gallons used.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Miles Driven on Electricity, Miles Driven on Gasoline, and Gallons of Gasoline Used in the units shown.

Step 2

Read Miles Per Gallon (MPG), Total Miles Driven, and Percentage of Miles Driven Electrically 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

Example calculations

See the inputs and their calculated results.

Mostly Electric - Short Trips

Miles Driven on Electricity: 100 miles; Miles Driven on Gasoline: 50 miles; Gallons of Gasoline Used: 1 gallons

Miles Per Gallon (MPG): 50 mpg; Total Miles Driven: 150 miles; Percentage of Miles Driven Electrically: 150 %

Balanced Driving

Miles Driven on Electricity: 100 miles; Miles Driven on Gasoline: 200 miles; Gallons of Gasoline Used: 6 gallons

Miles Per Gallon (MPG): 33.33333333 mpg; Total Miles Driven: 300 miles; Percentage of Miles Driven Electrically: 300 %

Longer Trips - More Gas

Miles Driven on Electricity: 50 miles; Miles Driven on Gasoline: 300 miles; Gallons of Gasoline Used: 10 gallons

Miles Per Gallon (MPG): 30 mpg; Total Miles Driven: 350 miles; Percentage of Miles Driven Electrically: 175 %

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