How it's calculated
cups = gal × 16
gal = US gallons, cups = US cups. 1 US gallon = 16 cups; reverse with gal = cups ÷ 16.
Common values
| Gallons | Cups |
|---|---|
| 0.25 gal | 4 cups |
| 0.5 gal | 8 cups |
| 1 gal | 16 cups |
| 2 gal | 32 cups |
Common questions
How many cups are in a gallon?
Sixteen US cups make a gallon. That is 128 fluid ounces.
Does this use the imperial gallon?
No, these are US gallons and cups. The imperial gallon is about 20 percent larger.