Cups of water to grams
How much does a cup of water weigh? Enter an amount to convert it, or use the chart below.
One milliliter of water weighs one gram, so a 236.6 mL cup weighs about 237 g.
Water: cups to grams chart
| Cups | Grams |
|---|---|
| ⅛ cup | 29.6 g |
| ¼ cup | 59.3 g |
| ⅓ cup | 79 g |
| ½ cup | 119 g |
| ⅔ cup | 158 g |
| ¾ cup | 178 g |
| 1 cup | 237 g |
| 1½ cups | 356 g |
| 2 cups | 474 g |
| 3 cups | 711 g |
| 4 cups | 948 g |
How the conversion works
Cups measure volume and grams measure weight, so the conversion depends on the density of the water. One US cup of water weighs about 237 g, so one cup weighs 237 g.
To convert, multiply the number of cups by the weight of one cup. A US cup is 236.6 mL, 16 tablespoons or 48 teaspoons.
Frequently asked questions
How many grams is 1 cup of water?
1 US cup of water weighs about 237 grams.
How many cups of water is 100 grams?
100 grams of water is about 0.422 US cups.
How should I measure water?
One milliliter of water weighs one gram, so a 236.6 mL cup weighs about 237 g.