Converter

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/100kmMPG (US)
458.8
547.04
639.2
733.6
829.4
926.13
1023.52
1219.6
1515.68
2011.76

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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.