How to convert cups (US) to gallons (US)
- Take the value in cups (US).
- Use the formula gallons (US) = cups (US) ÷ 16.
- For example, 4 cups is 0.25 gal.
About cups and gallons
There are 16 US cups in a gallon, so divide cups by 16 to get gallons. 4 cups is a quarter gallon, 8 cups is half a gallon and 12 cups is three quarters.
People convert cups to gallons when tracking how much water they drink, when a recipe multiplied for a party runs into dozens of cups, or when deciding what size container to buy.
Examples
- 4 cups (a quart) is 0.25 gal
- 8 cups (eight 8 oz glasses of water) is 0.5 gal
- 12 cups (a large batch of soup) is 0.75 gal
- 16 cups (one gallon) is 1 gal
Cups to gallons chart
| Cups (US) | Gallons (US) |
|---|---|
| 1 | 0.0625 |
| 2 | 0.125 |
| 3 | 0.187 |
| 4 | 0.25 |
| 5 | 0.313 |
| 6 | 0.375 |
| 8 | 0.5 |
| 10 | 0.625 |
| 12 | 0.75 |
| 14 | 0.875 |
| Cups (US) | Gallons (US) |
|---|---|
| 16 | 1 |
| 20 | 1.25 |
| 24 | 1.5 |
| 32 | 2 |
| 40 | 2.5 |
| 48 | 3 |
| 64 | 4 |
| 80 | 5 |
| 100 | 6.25 |