Convert US Cup (cup) to US Gallon (gal) instantly. Enter any value — result updates live.
Converting US Cup to US Gallon is a common volume conversion. One us cup (cup) equals 0.062499967 us gallon (gal). Cups are the most common volume measurement in American home cooking and baking.
This conversion is commonly needed for home brewing and winemaking, cooking and baking recipes, fuel and vehicle maintenance. US gallons are used for fuel, beverages, and liquid storage in the United States.
To put us cup in perspective: a cup of rice (uncooked, about 185 g). In us gallon, common references include a standard hot water heater (40–50 gal).
The US cup (240 mL) isn't a formally defined SI or imperial unit — it varies slightly from Commonwealth and Japanese 'cup' measurements, a common source of recipe conversion errors.
A US gallon (3.785 L) is different from an Imperial gallon (4.546 L), which can cause confusion in international recipes.
People frequently convert between us cup and us gallon for:
| US Cup (cup) | US Gallon (gal) |
|---|---|
| 1 cup | 0.062499967 gal |
| 2 cup | 0.124999934 gal |
| 5 cup | 0.312499835 gal |
| 10 cup | 0.62499967 gal |
| 15 cup | 0.937499505 gal |
| 20 cup | 1.25 gal |
| 25 cup | 1.5625 gal |
| 30 cup | 1.875 gal |
| 50 cup | 3.125 gal |
| 100 cup | 6.25 gal |
| 200 cup | 12.5 gal |
| 500 cup | 31.25 gal |
| 1000 cup | 62.5 gal |