Miles per UK gallon to Kilometres per litre
Type a value in Miles per UK gallon and get the result in Kilometres per litre, calculated exactly.
30 Miles per UK gallon ≈ 10.6201857 Kilometres per litre
Precision
Exact factorRounded for display to about 10 significant digits.
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Formula
km/L = mpg (UK) × 0.354006189935
To convert Miles per UK gallon to Kilometres per litre, multiply the value by 0.354006189935.
Worked examples
- 1 mpg (UK) × 0.354006189935 ≈ 0.3540061899 km/L
- 30 mpg (UK) × 0.354006189935 ≈ 10.6201857 km/L
- 100 mpg (UK) × 0.354006189935 ≈ 35.40061899 km/L
This factor is exact by definition.
Conversion table
| Miles per UK gallon (mpg (UK)) | Kilometres per litre (km/L) |
|---|---|
| 10 | ≈ 3.540062 |
| 15 | ≈ 5.310093 |
| 20 | ≈ 7.080124 |
| 25 | ≈ 8.850155 |
| 30 | ≈ 10.62019 |
| 35 | ≈ 12.39022 |
| 40 | ≈ 14.16025 |
| 45 | ≈ 15.93028 |
| 50 | ≈ 17.70031 |
| 60 | ≈ 21.24037 |
| 70 | ≈ 24.78043 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Kilometres per litre to Miles per UK gallon
| Kilometres per litre (km/L) | Miles per UK gallon (mpg (UK)) |
|---|---|
| 10 | ≈ 28.24809 |
| 15 | ≈ 42.37214 |
| 20 | ≈ 56.49619 |
| 25 | ≈ 70.62023 |
| 30 | ≈ 84.74428 |
| 35 | ≈ 98.86833 |
| 40 | ≈ 112.9924 |
| 45 | ≈ 127.1164 |
| 50 | ≈ 141.2405 |
| 60 | ≈ 169.4886 |
| 70 | ≈ 197.7367 |
Unit definitions
- Miles per UK gallon mpg (UK)
- Miles travelled per imperial gallon: about 0.354006 km/L.
- Kilometres per litre km/L
- Kilometres travelled on one litre of fuel.
Questions people ask
Miles per UK gallon to Kilometres per litre: what is the conversion factor?
One mpg (UK) is ≈ 0.3540061899 km/L.
How do I convert Miles per UK gallon to Kilometres per litre?
Use the formula above. For example, 30 mpg (UK) = ≈ 10.6201857 km/L.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.