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Volume Converter
Convert between Liters, Gallons, and Cups.
Volume Converter
Conversions
Liters1 L
Milliliters1000 ml
Gallons (US)0.264 gal
Gallons (UK)0.220 gal
Cups4.227 cups
Liquid Volume Conversion Guide
Whether you are cooking, baking, or managing industrial quantities of liquid, standardizing volume units is essential.
Key Conversion Measurements
- 1 US Gallon = 3.785 Liters.
- 1 UK (Imperial) Gallon = 4.546 Liters. Note the difference in size!
- 1 US Cup = 236.588 Milliliters.
Why are there two types of Gallons?
The US liquid gallon is defined as exactly 231 cubic inches. The Imperial gallon (used in the UK) is defined as exactly 4.54609 liters, which was based on the volume of 10 pounds of water at 62 °F. Thus, an Imperial gallon is approximately 20% larger than a US gallon.