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Free Fuel Economy Converter โ MPG, L/100km, km/L
Convert between fuel efficiency units
๐ Related:
๐ MPG vs L/100km
7.84
30 MPG (US) = 7.84 L/100km
Quick Reference
| MPG (US) | MPG (UK) | L/100km | km/L |
|---|---|---|---|
| 20 | 24.0 | 11.76 | 8.50 |
| 25 | 30.0 | 9.41 | 10.63 |
| 30 | 36.1 | 7.84 | 12.75 |
| 35 | 42.1 | 6.72 | 14.88 |
| 40 | 48.1 | 5.88 | 17.00 |
| 50 | 60.1 | 4.70 | 21.25 |
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.