Volume Converter
Liters, milliliters, gallons, cups — convert any volume instantly.
Inputs
Result
1 gal =
3.7854
liter (l)
Visual breakdown
Milliliter
3,785.4118
ml
Liter
3.7854
l
Cup (US)
16
cup
Pint (US)
8
pt
Formula
All units convert to liters first. 1 US gallon = 3.785411784 L. 1 cup = 236.5882 ml.
Example
1 US gallon = 3.7854 liters. 1 cup = 236.59 ml.
Frequently asked
Are these US or UK measures?
US customary units are used (US gallon, US cup, US fluid ounce).
How precise is the result?
Display rounds to 4 decimals; the underlying math uses exact SI definitions.
Cubic meter?
Yes — m³ is included. 1 m³ = 1,000 liters.