There are 16 cups in a gallon. Going the other way, 1 cup is 0.0625 gallon.
1 gal=16 cup= 3,785 mL
Gallons to cups
| Gallons | Cups |
|---|---|
| 1/4 gallon | 4 cups |
| 1/2 gallon | 8 cups |
| 3/4 gallon | 12 cups |
| 1 gallon | 16 cups |
| 1 1/2 gallons | 24 cups |
| 2 gallons | 32 cups |
| 3 gallons | 48 cups |
| 5 gallons | 80 cups |
Cups to gallons
| Cups | Gallons |
|---|---|
| 1 cup | 0.0625 gal |
| 2 cups | 0.125 gal ≈ 1/8 gallon |
| 3 cups | 0.1875 gal |
| 4 cups | 0.25 gal ≈ 1/4 gallon |
| 5 cups | 0.3125 gal |
| 6 cups | 0.375 gal ≈ 3/8 gallon |
| 8 cups | 0.5 gal ≈ 1/2 gallon |
| 10 cups | 0.625 gal ≈ 5/8 gallon |
| 12 cups | 0.75 gal ≈ 3/4 gallon |
| 16 cups | 1 gal |
Good to know
This is the US gallon (128 US fluid ounces). The UK imperial gallon is about 4.55 liters.
In metric, 1 gallon is 3,785 mL and 1 cup is 236.6 mL.
How to work it out
Multiply gallons by 16 to get cups; divide cups by 16 to get gallons.
Questions people ask
How many cups in a gallon?
1 gallon is 16 cups.
16 cups to gallons?
16 cups is 1 gallon.
How many cups in 2 gallons?
2 gallons is 32 cups.
How many cups are in 3 gallons?
3 gallons is 48 cups.
8 cups to gallons?
8 cups is 0.5 gallon (about 1/2).
How many cups in 5 gallons?
5 gallons is 80 cups.