Gallons to liters converter
1 US gallon = 3.785 L
A US gallon is 3.785 liters: 4 quarts, 8 pints or 16 cups. The UK imperial gallon is larger at 4.546 L.
3.79 liters
Volume-to-volume and weight-to-weight conversions don’t depend on the ingredient.
- 16 cup
- 256 tbsp
- 768 tsp
- 3,785 ml
Gallons to liters chart
| US gallons | liters |
|---|---|
| 0.25 gal | 0.946 L |
| 0.5 gal | 1.893 L |
| 1 gal | 3.785 L |
| 1.5 gal | 5.678 L |
| 2 gal | 7.571 L |
| 2.5 gal | 9.464 L |
| 3 gal | 11.4 L |
| 4 gal | 15.1 L |
| 5 gal | 18.9 L |
| 10 gal | 37.9 L |
Volumes use US customary measures (1 cup = 236.588 ml); weights use the international avoirdupois pound (453.59237 g).
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Questions cooks ask
How many liters in a gallon?
3.785 L in a US gallon; 4.546 L in a UK imperial gallon.
How many liters is half a gallon?
1.89 L (US).
How many cups in a gallon?
16 US cups, or 4 quarts.
Why is the UK gallon bigger?
The imperial gallon was defined in 1824 as the volume of 10 lb of water; the US kept the older 231-cubic-inch wine gallon.