CookMeasureUS gallons to US cups table
| US gallons | US cups |
|---|---|
| ¼ gal | 4 cup |
| ½ gal | 8 cup |
| ¾ gal | 12 cup |
| 1 gal | 16 cup |
| 1 ½ gal | 24 cup |
| 2 gal | 32 cup |
| 3 gal | 48 cup |
| 5 gal | 80 cup |
The formula
US cups = US gallons × 16. Going the other way, 1 US cup = 0.0625 US gallons.
A US gallon is 128 fl oz, 16 cups or 3.785 litres. The imperial gallon is 4.546 litres.
Converting to grams instead? Volume only becomes weight once you know the ingredient — a cup of flour and a cup of honey differ by almost 3×. Use the cups to grams converter.
Questions cooks ask
How many cups in a gallon?
1 US gallon is 16 US cups (about 16).
How do I convert US gallons to US cups?
Multiply the number of US gallons by 16. To go back, multiply US cups by 0.0625.
Is this for US or UK measurements?
A US gallon is 128 fl oz, 16 cups or 3.785 litres. The imperial gallon is 4.546 litres.