L/100km to MPG (US) Converter
29.4
8 L/100km = 29.4 MPG (US)
Quick Facts
- •Lower L/100km = better fuel economy
- •8 L/100km ≈ 29.4 MPG (US)
- •5 L/100km ≈ 47.0 MPG (US)
- •European cars often rate 4–8 L/100km
How to Convert
MPG (US) = 235.215 ÷ L/100km
Divide 235.215 by the fuel consumption in L/100km to get US MPG. This is an inverse relationship.
Exact constant: 1 US gallon = 3.785411784 L; 1 mile = 1.609344 km
Worked Example
Convert 8 L/100km:
235.215 ÷ 8 ≈ 29.40 MPG (US)
Common Conversions
| L/100km | MPG (US) |
|---|---|
| 4 | 58.8 |
| 5 | 47.04 |
| 6 | 39.2 |
| 7 | 33.6 |
| 8 | 29.4 |
| 9 | 26.13 |
| 10 | 23.52 |
| 12 | 19.6 |
| 15 | 15.68 |
| 20 | 11.76 |
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Frequently Asked Questions
How do I convert L/100km to MPG?
Divide 235.215 by the L/100km value. It's an inverse formula, not a simple multiply.
What is 6 L/100km in MPG (US)?
235.215 ÷ 6 ≈ 39.2 MPG.
Why is the formula inverse?
L/100km measures fuel consumed per distance; MPG measures distance per fuel. They're reciprocals.
Is US MPG the same as UK MPG?
No. US gallons (3.785 L) are smaller than Imperial gallons (4.546 L). US MPG values are lower.
What is a good L/100km?
Under 6 L/100km is considered efficient. Hybrids achieve 3–5 L/100km.