Skip to main content
โ›ฝ

Free Fuel Economy Converter โ€” MPG, L/100km, km/L

Convert between fuel efficiency units

๐Ÿ“ Related: ๐Ÿ“ MPG vs L/100km
7.84
30 MPG (US) = 7.84 L/100km

Quick Reference

MPG (US)MPG (UK)L/100kmkm/L
2024.011.768.50
2530.09.4110.63
3036.17.8412.75
3542.16.7214.88
4048.15.8817.00
5060.14.7021.25

How Do I Convert MPG to L/100km?

Divide 235.215 by your MPG value. For example, 30 MPG = 235.215 รท 30 = 7.84 L/100km. Note this uses US gallons โ€” for UK MPG, divide 282.481 by the MPG value instead.

What Is Considered Good Fuel Economy?

Under 6 L/100km (over 39 MPG US) is considered excellent for a petrol car. Hybrids often achieve 4-5 L/100km, while large SUVs may use 10-14 L/100km. Diesel engines typically achieve 15-25% better economy than equivalent petrol engines.