Fuel Efficiency Converter
Convert between MPG, L/100km, and km/L instantly.
Inputs
Results
L/100km
7.84
km/L
12.75
MPG (reverse)
30.0
How to use this calculator
- 1Enter MPG (or start from a known L/100km by reversing the formula).
- 2Read L/100km and km/L equivalents.
- 3Lower L/100km means better efficiency; higher km/L and MPG mean better efficiency.
Frequently Asked Questions
How to Use
About the Fuel Efficiency Converter
What it calculates
Converts between US MPG, European L/100km, and metric km/L.
When to use it
Use when comparing US, European, or Indian fuel economy figures or window stickers.
Formula
L/100km = 235.215 ÷ MPG; km/L = MPG × 0.425.
Example
30 MPG ≈ 7.84 L/100km ≈ 12.75 km/L.
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