Miles/gallon to gallons/kilometer (mpg to g/km) converter

You can enter a value in either the miles/gallon (mpg) or gallons/kilometer (g/km) input fields. For an understanding of the conversion process, we include algebraic formulas.

See conversions to common Fuel Economy units and easily switch Fuel Economy units in the two tabbed section below. Use the search bar above to find additional conversions.

Tip: Click the "Swap" button to switch from converting miles/gallon to gallons/kilometer to gallons/kilometer to miles/gallon.

miles/gallon (mpg)

 

gallons/kilometer (g/km)

 
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Algebraic Steps / Dimensional Analysis Formula
mpg *   1  
x mpg
* 1 g/km
1.6093 g/mi
= g/km

If you would like to switch between Fuel Economy units, select from the tables below

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