There are 8 US cups in a half gallon. A US gallon has 16 cups, so half of a gallon has 8 cups.
Quick Answer
| Measure | US cups | Fluid ounces |
|---|---|---|
| 1/4 gallon | 4 cups | 32 fl oz |
| 1/2 gallon | 8 cups | 64 fl oz |
| 1 gallon | 16 cups | 128 fl oz |
Formula
Use this simple US kitchen conversion:
Gallons x 16 = cups
For a half gallon: 0.5 x 16 = 8 cups.
Other Half-Gallon Conversions
| Half gallon equals | Amount |
|---|---|
| Cups | 8 cups |
| Fluid ounces | 64 fl oz |
| Pints | 4 pints |
| Quarts | 2 quarts |
US vs Imperial Note
This answer uses US kitchen measurements. Imperial gallons and cups are different, so use US conversions for US recipes and food packaging.
FAQ
How many cups are in a half gallon?
There are 8 US cups in a half gallon.
How many ounces are in a half gallon?
A US half gallon is 64 fluid ounces.
How many quarts are in a half gallon?
A half gallon is 2 quarts.
How many pints are in a half gallon?
A half gallon is 4 pints.
Is a half gallon 8 cups everywhere?
It is 8 cups in US kitchen measurements. Imperial systems use different gallon and cup sizes.