Miles per Gallon (US) (mpg US)
Miles per gallon (US) measures how many US statute miles a vehicle travels on one US liquid gallon of fuel.
US mpg labels EPA fuel-economy ratings on new cars and compares efficiency at the pump in America.
Miles per Gallon (US) to Kilometer per Liter
Convert miles per gallon (us) to kilometer per liter instantly. Type in either field — results update live.
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Fuel Consumption Miles per Gallon (US) Kilometer per Liter
1 miles per gallon (us) = 0.4251437074 kilometers per liter
Unit
Unit
Conversion table
Selected mpg US values converted to km/L using the exact factor from this tool.
| mpg US | km/L |
|---|---|
| 0.01 | 0.0042514371 |
| 0.1 | 0.0425143707 |
| 1 | 0.4251437074 |
| 2 | 0.8502874149 |
| 3 | 1.2754311223 |
| 5 | 2.1257185372 |
| 10 | 4.2514370743 |
| 20 | 8.5028741486 |
| 50 | 21.2571853715 |
| 100 | 42.514370743 |
| 1,000 | 425.1437074303 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 mpg US = 0.4251437074 km/L
1 km/L = 2.3521458333 mpg US
To convert miles per gallon (us) to kilometer per liter, multiply by 0.4251437074.
To convert kilometer per liter to miles per gallon (us), multiply by 2.3521458333.
Example: convert 10 mpg US to km/L
10 × 0.4251437074 = 4.2514370743 km/L
About these units
Short background on the units used in this conversion.
Kilometer per Liter (km/L)
Kilometers per liter measures distance traveled per liter of fuel — higher values mean better economy.
km/L appears on Asian vehicle dashboards and compares efficiency where volume is measured in liters.
Frequently asked questions
How do I convert miles per gallon (us) to kilometer per liter?
Fuel consumption uses inverse math when crossing distance-per-fuel and fuel-per-distance units. One miles per gallon (us) equals 0.4251437074 kilometers per liter. Enter your value above — the converter handles mpg, L/100 km, and km/L correctly in both directions.
What is the conversion relationship?
At this pair:
The reverse:
1 miles per gallon (us) = 0.4251437074 kilometers per literThe reverse:
1 kilometer per liter = 2.3521458333 miles per gallon (US). US and UK mpg use different gallon sizes — this page uses the units shown in the title.Is this Miles per Gallon (US) to Kilometer per Liter converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.