Liters to Gallons: Fuel Economy and Liquid Conversions
Master liter-to-gallon conversions with practical applications for fuel economy comparisons, cooking, and daily life.
Use the Liters ↔ Gallons
Convert between liters and gallons
US vs Imperial Gallons
Before converting anything, you need to know which gallon you are dealing with. A US gallon equals 3.785 liters. A UK (imperial) gallon equals 4.546 liters, making it about 20 percent larger than its American counterpart. This distinction matters enormously when comparing fuel economy figures from different countries.
Fuel Economy Conversion
The United States measures fuel efficiency in miles per gallon (MPG), where a higher number means better efficiency. Most other countries use liters per 100 kilometers (L/100km), where a lower number means better efficiency.
Everyday Liquid References
Having a feel for common volumes in both liters and gallons helps with everyday estimates.
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