CupWeight

Gallons → cups

Gallons to Cups

1 gallon = 16 cups.

1 cup = 125 g
16

16 cups

Gallons to cups chart

gallonscups
¼ gal4 cup
½ gal8 cup
¾ gal12 cup
1 gal16 cup
1 ½ gal24 cup
2 gal32 cup
3 gal48 cup
5 gal80 cup

How to convert gallons to cups

cups = gallons × 16

US measuring cups and spoons are fixed ratios: 1 cup = 16 tablespoons = 48 teaspoons = 8 fluid ounces = 236.6 ml.

Cups, pints, quarts and gallons

Each US liquid measure is two or four of the one below it: 2 cups in a pint, 2 pints in a quart, 4 quarts in a gallon.

1 gallon1 quartpintcupcuppintcupcup1 quartpintcupcuppintcupcup1 quartpintcupcuppintcupcup1 quartpintcupcuppintcupcup
1 gallon = 4 quarts = 8 pints = 16 cups = 128 fl oz (US)
US measureCupsFluid ouncesMillilitres
1 gallon161283,785
1 quart432946
1 pint216473
1 cup18237

These are US liquid measures. UK (imperial) pints, quarts and gallons are about 20% larger.

More kitchen conversions

Frequently asked questions

How many cups in half a gallon?

8 cups (2 quarts).

How many cups in a gallon of water?

16 cups. A US gallon of water weighs about 3.79 kg (8.34 lb).

Is a UK gallon the same?

No. An imperial gallon is 4.55 litres, about 19.2 US cups.

How many cups are in a gallon?

16. 1 gallon = 16 cups.

How many cups are in ¾ gal?

12 cup.

Is a metric cup the same as a US cup?

No. A US cup is 237 ml; a metric cup (Australia, Canada, New Zealand) is 250 ml. Tablespoons differ too: 14.8 ml in the US, 15 ml metric, 20 ml in Australia.

Does it matter what I am measuring?

Not for volume to volume: a cup is 16 tablespoons of anything. It matters only when converting volume to weight (cups to grams).