gal to cup converter
US gallons to US cups conversions with the math shown
Converter
Popular gal to cup conversions
0.25 gal = 4 cup0.5 gal = 8 cup0.75 gal = 12 cup1 gal = 16 cup1.5 gal = 24 cup2 gal = 32 cup2.5 gal = 40 cup3 gal = 48 cup3.5 gal = 56 cup4 gal = 64 cup4.5 gal = 72 cup5 gal = 80 cup6 gal = 96 cup7 gal = 112 cup8 gal = 128 cup9 gal = 144 cup10 gal = 160 cup11 gal = 176 cup12 gal = 192 cup13 gal = 208 cup14 gal = 224 cup15 gal = 240 cup16 gal = 256 cup17 gal = 272 cup
Kitchen fraction chart
Recipes speak in fractions, not decimals — keep this chart open while cooking. Every value below converts exactly.
| Fraction of a gal | cup (exact) |
|---|---|
| 1/8 gals | 2 cup |
| 1/4 gals | 4 cup |
| 1/3 gals | 5.3333 cup |
| 1/2 gals | 8 cup |
| 2/3 gals | 10.667 cup |
| 3/4 gals | 12 cup |
| 1 gal | 16 cup |
| 1 1/2 gals | 24 cup |
| 2 gals | 32 cup |
| 3 gals | 48 cup |
How it works
Every gal→cup page multiplies by the exact factor 16. Definitions, not approximations — the same constants your reference handbook prints.
Frequently asked questions
How many US cups in 1 US gallon?
Is the gal→cup conversion the same everywhere?
Do you store what I type?
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