US Gallons to Cups
Convert us gallons (gal) to cups (cup) instantly — with formula and reference table.
gal
cup
Quick answer: 1 gal = 16 cup. To convert us gallons to cups, multiply by gal × 16.
Converting us gallons to cups
This converter changes a value in us gallons (gal) into cups (cup). One us gallon equals 16 cup. One US gallon equals 16 US cups. The conversion runs entirely in your browser — enter a value and the result updates instantly, in either direction.
Formula
cup = gal × 16
Example
Convert 10 gal to cup: 10 × 16 = 160 cup.
US Gallons to Cups conversion table
| US Gallons (gal) | Cups (cup) |
|---|---|
| 1 gal | 16 cup |
| 2 gal | 32 cup |
| 3 gal | 48 cup |
| 5 gal | 80 cup |
| 10 gal | 160 cup |
| 20 gal | 320 cup |
| 25 gal | 400 cup |
| 50 gal | 800 cup |
| 100 gal | 1600 cup |
How to use this converter
- Enter a value in the us gallons (gal) field.
- Read the converted value in cups (cup) below.
- Type into the cup field instead to convert in reverse, or use the swap button.
Frequently asked questions
How many cups are in a gallon?
1 US gallon equals 16 cups.
How do I convert 2 gallons to cups?
2 times 16 = 32 cups.
How many cups in half a gallon?
Half a US gallon is 8 cups.