1 US gallon (gal (US)) = 16 US cups (cup). To convert, multiply by 16: cup = gal (US) × 16. For example, 5 gal (US) = 80 cup.
cup = gal (US) × 16
US gallons to US cups table
| US gallons (gal (US)) | US cups (cup) |
|---|---|
| 1 | 16 |
| 2 | 32 |
| 3 | 48 |
| 4 | 64 |
| 5 | 80 |
| 10 | 160 |
| 20 | 320 |
| 25 | 400 |
| 50 | 800 |
| 100 | 1,600 |
| 250 | 4,000 |
| 500 | 8,000 |
| 1,000 | 16,000 |
The two units
US gallon (gal (US)). Exactly 231 cubic inches, about 3.785 liters.
US cup (cup). The US customary cup: half a US pint, 8 US fluid ounces. Nutrition labels use a rounded 240 mL cup.
Because both units are defined in terms of the same base unit, the factor 16 is exact, not a rounded measurement.
Convert US gallons to other units
- US gallons to liters — 1 gal (US) = 3.785411784 L
- US gallons to milliliters — 1 gal (US) = 3,785.411784 mL
- US gallons to cubic meters — 1 gal (US) = 0.0037854118 m³
- US gallons to US quarts — 1 gal (US) = 4 qt (US)
- US gallons to US pints — 1 gal (US) = 8 pt (US)
- US gallons to US fluid ounces — 1 gal (US) = 128 fl oz (US)
- US gallons to US tablespoons — 1 gal (US) = 256 tbsp
- US gallons to US teaspoons — 1 gal (US) = 768 tsp
- US gallons to imperial gallons — 1 gal (US) = 0.8326741846 gal (UK)
- US gallons to imperial pints — 1 gal (US) = 6.661393477 pt (UK)
- US gallons to cubic feet — 1 gal (US) = 0.1336805556 ft³
- US gallons to cubic inches — 1 gal (US) = 231 in³
Convert other units to US cups
Questions people ask
- How many US cups are in a US gallon?
- 16, exactly.
- How do you convert US gallons to US cups?
- cup = gal (US) × 16. It is the same as dividing by 0.0625.
- How do you convert US cups back to US gallons?
- gal (US) = cup ÷ 16. See US cups to US gallons.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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