Example conversions
- 20 km/L = 47.0429 MPG (US)
- 30 MPG (US) = 12.7543 km/L
- 40 MPG (UK) = 14.1602 km/L
FUEL ECONOMY CONVERTER
Convert KM/L, MPG (US), and MPG (UK) for...
Mileage across regional standards
Current groupFuel Economy1 KM/L = 2.35214584 MPG (US)
Live formula1500 KM/L = 3,528.21875357 MPG (US)
Try popular targets
Converted value3,528.21875357
1500 KM/L in MPG (US)
CategoryFuel Economy
FromKM/L
ToMPG (US)
Unit ratio1 KM/L = 2.35214584 MPG (US)
Conversion guide
Fuel Economy conversion notes
Fuel economy conversion helps compare mileage values from vehicle listings, owner manuals, dashboards, and regional road tests.
Fuel economy values are normalized around kilometers per liter. US MPG uses 0.425143707 km/L per MPG, while UK MPG uses 0.35400619 km/L per MPG.
Common uses
- Vehicle mileage comparison
- Imported car specifications
- Trip fuel planning
Accuracy note
This tool compares distance-per-fuel units. It does not estimate real fuel cost, terrain, traffic, or driving style.
Practical guide
How to use the Fuel Economy Converter
Convert KM/L, MPG (US), and MPG (UK) for mileage and vehicle fuel economy comparisons.
Run quick conversions, homework checks, planning math, and back-of-the-envelope calculations without opening a spreadsheet.
Compare fuel economy across regional standards. Use clean values and review the result label: mileage across regional standards.
The output follows standard formulas and displayed rounding. For engineering or compliance work, keep the required precision in mind.
Related tools
Tools for the same workflow
Open a nearby calculator or utility when the next step needs a different format, comparison, or check.
FAQ
Common questions, clean answers
Are US MPG and UK MPG different?
Yes. US and UK gallons are different sizes, so MPG (US) and MPG (UK) produce different values.
Does this calculate fuel cost?
No. It only converts fuel economy units. Fuel cost depends on price, route, traffic, and driving style.