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MPG to KML Calculator
Instantly convert miles per gallon to kilometres per litre. Compare fuel efficiency between UK and US measurements and explore equivalent metrics.
⛽ Fuel efficiency
🔄 Instant conversion
🌍 UK & US units
Fuel Efficiency Converter
Enter your MPG value to convert and compare
Input Value
mpg
Miles per gallon — your vehicle’s fuel economy
UK and US gallons differ in volume
Optional — Journey Details
km
Optional: calculate fuel needed for a trip
£ / L
Optional: estimate trip fuel cost
Conversion Result
Your fuel efficiency in all units
Enter your MPG value and select the gallon type, then click Convert to see your fuel efficiency in all units.