Convert US Gallon (gal) to US Cup (cup) instantly. Enter any value — result updates live.
Converting US Gallon to US Cup is a common volume conversion. One us gallon (gal) equals 16 us cup (cup). US gallons are used for fuel, beverages, and liquid storage in the United States.
This conversion is commonly needed for home brewing and winemaking, cooking and baking recipes, fuel and vehicle maintenance. Cups are the most common volume measurement in American home cooking and baking.
To put us gallon in perspective: a fish tank (10–20 gal). In us cup, common references include 2 cups of flour for a basic cake recipe.
A US gallon (3.785 L) is different from an Imperial gallon (4.546 L), which can cause confusion in international recipes.
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.
People frequently convert between us gallon and us cup for:
| US Gallon (gal) | US Cup (cup) |
|---|---|
| 1 gal | 16 cup |
| 2 gal | 32 cup |
| 5 gal | 80 cup |
| 10 gal | 160 cup |
| 15 gal | 240 cup |
| 20 gal | 320 cup |
| 25 gal | 400 cup |
| 30 gal | 480 cup |
| 50 gal | 800 cup |
| 100 gal | 1,600 cup |
| 200 gal | 3,200 cup |
| 500 gal | 8,000 cup |
| 1000 gal | 16,000 cup |