Miles per gallon to kilometers per liter

How to convert miles per gallon (US) to kilometers per liter

1. Take the value in miles per gallon (US).
2. Use the formula kilometers per liter = miles per gallon (US) × 0.4251437074.
3. For example, 20 mpg is 8.5 km/L.

About miles per gallon and kilometers per liter

Multiply US miles per gallon by 0.425144 to get kilometers per liter, or divide by 2.352. 25 mpg is 10.63 km/L and 40 mpg is 17.01 km/L. For a quick estimate divide by 2 and take off 15%.

This helps when comparing a US car review or EPA rating with fuel figures from India, Japan or Latin America, or when a visitor wants to picture a familiar mpg in the units used locally. If the mpg figure is from the UK, it uses the bigger imperial gallon: multiply UK mpg by 0.354 instead.

Examples

• 20 mpg (a pickup truck, an illustrative figure) is 8.5 km/L
• 30 mpg (a compact car, an illustrative figure) is 12.75 km/L
• 35 mpg (a small sedan on the highway, an illustrative figure) is 14.88 km/L
• 50 mpg (a hybrid, an illustrative figure) is 21.26 km/L

Miles per gallon to kilometers per liter chart