Fuel economy converter · instant result

Convert Fuel economy
with clarity.

Compare fuel economy conventions while keeping US and imperial gallons separate and explicit.

Deterministic mathCopy and shareWorks offline

Conversion formulas

L/100 km = 100 ÷ km/L
US MPG = km/L × 2.35215
Imperial MPG = km/L × 2.82481
km/L = 100 ÷ (L/100 km)

Common conversions

  • 10 km/L = 23.5215 US MPG
  • 1 US MPG = 0.425144 km/L
  • 1 imperial MPG = 0.354006 km/L
  • 5 L/100 km = 20 km/L