Cups to US Gallons
Convert cups (cup) to us gallons (gal) instantly — with formula and reference table.
cup
gal
Quick answer: 1 cup = 0.0625 gal. To convert cups to us gallons, multiply by cup × 0.0625.
Converting cups to us gallons
This converter changes a value in cups (cup) into us gallons (gal). One cup equals 0.0625 gal. One US gallon equals 16 cups, so converting cups to gallons means dividing by 16. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.
Formula
gal = cup × 0.0625
Example
Convert 10 cup to gal: 10 × 0.0625 = 0.625 gal.
Cups to US Gallons conversion table
| 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 |
| 20 cup | 1.25 gal |
| 25 cup | 1.5625 gal |
| 50 cup | 3.125 gal |
| 100 cup | 6.25 gal |
How to use this converter
- Enter a value in the cups (cup) field.
- Read the converted value in us gallons (gal) below.
- Type into the gal field instead to convert in reverse, or use the swap button.
Frequently asked questions
How many gallons is 16 cups?
16 US cups equals exactly 1 gallon.
How do I convert 8 cups to gallons?
8 divided by 16 = 0.5 gallons.
How many cups in a gallon?
There are 16 US cups in a US gallon.