Conversion factors for the volume units people convert most often. For the reasoning behind these numbers, see Understanding Volume Measurements.
| Unit | Equivalent |
|---|---|
| 1 US gallon | 3.785 L / 128 fl oz / 4 qt / 8 pt / 16 cups |
| 1 quart | 2 pt / 4 cups / 32 fl oz |
| 1 pint | 2 cups / 16 fl oz |
| 1 cup | 8 fl oz |
| From | To | Equivalent |
|---|---|---|
| 1 liter | US fluid ounces | 33.814 fl oz |
| 1 liter | US gallons | 0.2642 gal |
| 1 US gallon | Liters | 3.785 L |
| 1 UK (imperial) gallon | Liters | 4.546 L |
The Volume Converter converts between metric and US/UK volume units instantly.
Volume Converter
The two use separate historical definitions. A US gallon is 3.785 liters; a UK (imperial) gallon is 4.546 liters, about 20% larger.
About 4.23 US cups, since a liter is roughly 33.8 fluid ounces and a cup is 8 fluid ounces.
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