Mile per gallon (US) to Kilometer per liter Converter
1 mile per gallon (US) is about 0.4251437074 kilometers per liter. Convert miles per gallon (US) (mpg) to kilometers per liter (km/L) below: type a value and the result updates as you type.
mpg to km/L calculator
Result
Mile per gallon (US) to Kilometer per liter conversion
1 mpg ≈ 0.4251437074 km/Lone mile per gallon (US) in kilometers per liter
1 km/L ≈ 2.352145833 mpgone kilometer per liter in miles per gallon (US)
Mile per gallon (US) (mpg): Miles driven on one US gallon (3.785411784 L) of fuel. Used in the United States.
Kilometer per liter (km/L): Distance in kilometers driven on one liter of fuel. Higher is more economical.
Source:Mile per gallon (US): NIST Special Publication 811 (2008), Appendix B.8; Kilometer per liter: SI Brochure, 9th edition (BIPM, 2019)
How to convert miles per gallon (US) to kilometers per liter
To convert miles per gallon (US) to kilometers per liter, multiply the number of miles per gallon (US) by about 0.4251437074.
Formula
km/L = mpg × 0.4251437074
The factor is rounded here. The calculator uses the exact value.
Examples
- 20 mpg = 20 × 0.4251437074 ≈ 8.502874149 km/L
- 30 mpg = 30 × 0.4251437074 ≈ 12.75431122 km/L
- 50 mpg = 50 × 0.4251437074 ≈ 21.25718537 km/L
Mile per gallon (US) to Kilometer per liter conversion table
| Mile per gallon (US) (mpg) | Kilometer per liter (km/L) |
|---|---|
| 10 mpg | 4.251437074 km/L |
| 15 mpg | 6.377155611 km/L |
| 20 mpg | 8.502874149 km/L |
| 25 mpg | 10.62859269 km/L |
| 30 mpg | 12.75431122 km/L |
| 35 mpg | 14.88002976 km/L |
| 40 mpg | 17.0057483 km/L |
| 45 mpg | 19.13146683 km/L |
| 50 mpg | 21.25718537 km/L |
| 60 mpg | 25.50862245 km/L |
| 80 mpg | 34.01149659 km/L |
| 100 mpg | 42.51437074 km/L |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many kilometers per liter are in one mile per gallon (US)?
- One mile per gallon (US) is about 0.4251437074 kilometers per liter.
- How do I convert kilometers per liter to miles per gallon (US)?
- To convert kilometers per liter to miles per gallon (US), multiply the number of kilometers per liter by about 2.352145833. The formula is mpg = km/L × 2.352145833.
- Is this conversion exact?
- Yes. Both units have exact definitions, but the factor has more decimal places than can be shown, so displayed results are rounded. The calculator works with 50 significant digits before rounding.
- Which is larger, a mile per gallon (US) or a kilometer per liter?
- A kilometer per liter is about 2.352145833 times larger than a mile per gallon (US). In other words, a mile per gallon (US) is about 0.4251437074 of a kilometer per liter.