Gallons to Liters Converter
Convert US and Imperial gallons to liters for fuel calculations, cooking, and international liquid measurements.
Calculator
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Conversion Details
Type: US Gallon
Formula: Liters = Gallons × 3.78541178
Calculation: 10 × 3.78541178 = 37.854 liters
Common Fuel Conversions
How It Works
Gallon to liter conversion depends on which gallon system you're using:
Conversion Factors:
- US Gallon: 1 gallon = 3.78541178 liters
- Imperial Gallon: 1 gallon = 4.54609 liters
- Difference: Imperial gallon is ~20% larger than US gallon
The US gallon is based on 231 cubic inches, while the Imperial gallon is based on 10 pounds of water at specific conditions.
Examples
Fuel Examples
Car tank (15 US gal): 56.8 liters
Motorcycle (4 US gal): 15.1 liters
Truck tank (80 US gal): 302.8 liters
Household Examples
Water heater (40 US gal): 151.4 liters
Aquarium (20 US gal): 75.7 liters
Paint bucket (5 US gal): 18.9 liters
Compare
US vs Imperial Gallons:
- US Gallon: 3.785 L, used in United States
- Imperial Gallon: 4.546 L, used in UK and Canada
- Difference: Imperial gallon is 20% larger
- Context: Always specify which gallon type
Practical Applications:
- Fuel economy calculations (MPG vs L/100km)
- International shipping and storage
- Recipe conversions for cooking
- Chemical and industrial measurements
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