US mile per gallon to Kilometer per liter
Convert US mile per gallon (mpg US) to Kilometer per liter (km/L).
Formula and method
result = value × (0.425143707 ÷ 1).
The source value is converted to the catalog’s canonical unit, then expressed in the target unit.
Worked examples
These examples use the same conversion engine as the calculator.
- 1 mpg US0.42514371 km/L
- 5 mpg US2.12571854 km/L
- 10 mpg US4.25143707 km/L
Common US mile per gallon values
| US mile per gallon (mpg US) | Kilometer per liter (km/L) |
|---|---|
| 1 | 0.42514371 |
| 2 | 0.85028741 |
| 5 | 2.12571854 |
| 10 | 4.25143707 |
| 25 | 10.62859268 |
| 50 | 21.25718535 |
| 100 | 42.5143707 |
| 250 | 106.28592675 |
| 500 | 212.5718535 |
| 1,000 | 425.143707 |
How to convert US mile per gallon to Kilometer per liter
- Enter a value in US mile per gallon in the converter above.
- The calculator converts it using the catalog’s linear method.
- Choose the decimal precision you need,then copy the displayed result if useful.
Frequently asked questions
What is the formula for US mile per gallon to Kilometer per liter?
result = value × (0.425143707 ÷ 1). The source value is converted to the catalog’s canonical unit, then expressed in the target unit.
Can I convert Kilometer per liter back to US mile per gallon?
Yes. Use Swap Units when the reverse pair is available in the catalog. The page URL changes to the reverse conversion and the entered value is retained.
Why can a value be rejected?
The engine rejects non-finite values and negative values for units that do not allow them.
How are displayed decimal places chosen?
Use the Decimal precision selector above the result. Very large or very small results switch to scientific notation when that makes the value easier to read.