Convert US cups to US gallons
1 US cup = 0.0625 US gallons · gal = cup ÷ 16
When you need this conversion
This conversion goes from US cups, the volume-based measure central to American recipes, to US gallons, the fuel and liquid volume unit in the US. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
US cups to US gallons conversion table
| US cups (cup) | US gallons (gal) |
|---|---|
| 1 cup | 0.0625 gal |
| 2 cup | 0.125 gal |
| 3 cup | 0.1875 gal |
| 5 cup | 0.3125 gal |
| 10 cup | 0.625 gal |
| 15 cup | 0.9375 gal |
| 20 cup | 1.25 gal |
| 25 cup | 1.5625 gal |
| 50 cup | 3.125 gal |
| 75 cup | 4.6875 gal |
| 100 cup | 6.25 gal |
| 250 cup | 15.625 gal |
| 500 cup | 31.25 gal |
| 1,000 cup | 62.5 gal |
The formula
gal = cup ÷ 16Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
US gallons to US cups →Related volume conversions
- Liters to US gallons
- US cups to milliliters
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US gallons to liters
- US fluid ounces to milliliters
- Milliliters to US gallons
- Cubic meters to US gallons
Frequently asked questions
- How many US gallons are in a US cup?
- There are 0.0625 US gallons in 1 US cup. The formula is gal = cup ÷ 16.
- How do you convert US cups to US gallons?
- Use the formula gal = cup ÷ 16. For example, 10 US cups equals 0.625 US gallons.
- Is the US cups to US gallons conversion exact?
- Yes. US cups and US gallons are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is cup short for?
- cup is the standard symbol for US cup. gal is the symbol for US gallon.