Convert Mile per US gallon to Kilometer per liter (mpg (US) to km/L)

1 mpg (US) = 0.4251437074 km/L

How to convert miles per us gallon to kilometers per liter

Fuel economy conversion may be inverse. This tool converts via km/L as a canonical step.

When converting to or from L/100 km, it uses the inverse relationship: L/100 km = 100 ÷ (km/L).

Common mile per us gallon to kilometer per liter examples

Mile per US gallon (mpg (US)) Kilometer per liter (km/L)
1 mpg (US) 0.4251437074 km/L
10 mpg (US) 4.2514370743 km/L
50 mpg (US) 21.2571853715 km/L
100 mpg (US) 42.514370743 km/L
250 mpg (US) 106.2859268576 km/L
500 mpg (US) 212.5718537151 km/L
1,000 mpg (US) 425.1437074303 km/L
10,000 mpg (US) 4,251.4370743027 km/L
100,000 mpg (US) 42,514.3707430272 km/L
1,000,000 mpg (US) 425,143.707430272 km/L

Frequently asked questions

How many kilometers per liter are in 100 miles per us gallon?

100 mpg (US) equals about 42.514371 km/L.

What is the miles per us gallon to kilometers per liter formula?

Fuel economy conversions are handled using km/L as a canonical step. For L/100 km, the inverse formula is used: L/100 km = 100 ÷ (km/L).

Can I convert kilometers per liter to miles per us gallon too?

Yes. The calculator supports two-way conversion. Edit either field and the other updates instantly.

Is this conversion exact?

The converter uses fixed unit factors. Display values are rounded for readability.