Convert Gallons to Liters
Convert US gallons to liters instantly. 1 US gallon = 3.78541 liters. Free online volume converter.
Formula: 1 US gallon = 3.78541 liters
Quick example: 5 gallons = 18.93 liters
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1 Millimeters (mm) = 0.1 Centimeters (cm)About This Conversion
The gallon-to-liter conversion is essential for fuel economy comparisons, cooking volumes, and liquid measurements across different countries. The US gallon equals 3.78541 liters, while the Imperial gallon (used in the UK) equals 4.54609 liters. This distinction matters when comparing fuel prices and vehicle efficiency internationally. For example, when Europeans see gas priced per liter and Americans see it per gallon, this conversion bridges the gap. It is also commonly used in swimming pool volume calculations, industrial liquid measurements, and beverage production.
Frequently Asked Questions
How many liters are in a US gallon?
1 US gallon equals 3.78541 liters. Note: the UK Imperial gallon is larger at 4.54609 liters.
How do I convert MPG to L/100km?
Divide 235.215 by the MPG value. For example, 30 MPG = 235.215/30 = 7.84 L/100km.