Miles per Gallon to Kilometers per Liter Converter (MPG to km/L)
Convert miles per gallon to kilometers per liter (MPG to km/L). See results in km/L, L/100km, and UK MPG. Essential for US expats in Japan, India, South Korea, and Asia.
FUEL ECONOMY IN KM/L
12.8 km/L
L/100KM
7.8
UK MPG
36.0 mpg (imp)
EFFICIENCY
π‘ Average
FORMULA
30Γ0.425
MPG to km/L β Quick Reference
| US MPG | km/L | L/100km | Vehicle Type |
|---|---|---|---|
| 10 mpg | 4.3 km/L | 23.5 L/100km | Heavy-duty truck / RV |
| 15 mpg | 6.4 km/L | 15.7 L/100km | Full-size SUV / pickup |
| 20 mpg | 8.5 km/L | 11.8 L/100km | Midsize SUV |
| 25 mpg | 10.6 km/L | 9.4 L/100km | Crossover / small SUV |
| 30 mpg | 12.8 km/L | 7.8 L/100km | Standard sedan |
| 35 mpg | 14.9 km/L | 6.7 L/100km | Efficient sedan |
| 40 mpg | 17.0 km/L | 5.9 L/100km | Compact car |
| 50 mpg | 21.3 km/L | 4.7 L/100km | Hybrid sedan |
| 60 mpg | 25.5 km/L | 3.9 L/100km | Plug-in hybrid |
| 80 mpg | 34.0 km/L | 2.9 L/100km | Full hybrid / EV-assist |
How to Convert MPG to km/L
Multiply by 0.42514:
Example: 30 mpg (standard sedan)
= 30 Γ 0.42514 = 12.8 km/L
Example: 50 mpg (hybrid)
= 50 Γ 0.42514 = 21.3 km/L
Example: 20 mpg (SUV)
= 20 Γ 0.42514 = 8.5 km/L
Simple math: Both MPG and km/L measure efficiency (higher = better), so conversion is a straightforward multiplication. Divide by the same factor (2.35215) to go the other way: km/L Γ 2.35215 = MPG.
MPG to km/L β Conversion Chart
| US MPG | km/L | L/100km | Vehicle Type |
|---|---|---|---|
| 10 mpg | 4.3 km/L | 23.5 L/100km | Heavy truck / RV |
| 15 mpg | 6.4 km/L | 15.7 L/100km | Full-size SUV / pickup |
| 20 mpg | 8.5 km/L | 11.8 L/100km | Midsize SUV |
| 25 mpg | 10.6 km/L | 9.4 L/100km | Crossover / small SUV |
| 30 mpg | 12.8 km/L | 7.8 L/100km | Standard sedan |
| 35 mpg | 14.9 km/L | 6.7 L/100km | Efficient sedan |
| 40 mpg | 17.0 km/L | 5.9 L/100km | Compact car |
| 50 mpg | 21.3 km/L | 4.7 L/100km | Hybrid sedan |
| 60 mpg | 25.5 km/L | 3.9 L/100km | Plug-in hybrid |
| 80 mpg | 34.0 km/L | 2.9 L/100km | Full hybrid (best) |
US Best-Sellers in km/L
| Vehicle (2024) | US MPG | km/L | Asian Market Equivalent |
|---|---|---|---|
| Ford F-150 | 21 mpg | 8.9 km/L | Not sold (too large) |
| Toyota RAV4 | 30 mpg | 12.8 km/L | Japan: ~15 km/L (JC08) |
| Honda CR-V | 29 mpg | 12.3 km/L | Japan: ~14 km/L |
| Toyota Camry | 33 mpg | 14.0 km/L | Japan: ~18 km/L |
| Toyota Corolla | 35 mpg | 14.9 km/L | Japan: ~20 km/L |
| Honda Civic | 35 mpg | 14.9 km/L | Japan: ~20 km/L |
| Toyota Prius | 53 mpg | 22.5 km/L | Japan: ~32 km/L |
Note: Japanese km/L ratings are typically 15β25% higher than the US EPA MPG equivalent due to different test cycles (JC08/WLTC vs EPA).
Fuel Economy Systems Worldwide
| System | Unit | Higher = ? | Countries |
|---|---|---|---|
| MPG (US) | miles/US gal | Better | United States |
| MPG (UK) | miles/imp gal | Better | United Kingdom |
| km/L | km/liter | Better | Japan, India, S. Korea, Brazil |
| L/100km | liters/100km | Worse | Europe, Canada, Australia |
US Expat & Military Guide
If you're a US expat or military member stationed in Japan, South Korea, or India, here's a quick guide:
| Your US Car | US MPG | Local km/L | What Locals Drive |
|---|---|---|---|
| Subcompact (Civic) | 35 mpg | 14.9 km/L | Locals: 18β25 km/L |
| Midsize (Camry) | 33 mpg | 14.0 km/L | Locals: 15β20 km/L |
| Compact SUV (RAV4) | 30 mpg | 12.8 km/L | Locals: 14β18 km/L |
| Full-size truck (F-150) | 21 mpg | 8.9 km/L | Not common in Asia |
What Is Miles per Gallon (MPG)?
Miles per gallon (MPG) measures how far a vehicle travels on one US gallon (3.785 liters). Higher = better. The US EPA rates every new car in MPG. It's the standard US fuel economy measure.
What Is km/L?
Kilometers per liter (km/L) measures how far a vehicle travels on one liter of fuel. Higher = better. Used in Japan (JC08/WLTC cycles), India (ARAI kmpl), South Korea, Brazil, and Thailand. It's conceptually identical to MPG β just with metric units.