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How many grams in a cup of water?

1 cup of water weighs 237 grams (8.4 oz). Half a cup is 119 grams and a tablespoon is about 15 grams. Use the converter for any other amount.

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Fractions work: 1/3, 1 1/2, ¾.

1 cup of water weighs

237 g

8.4 oz

Cups of water to grams

CupsGramsOunces
⅛ cup30 g1 oz
¼ cup59 g2.1 oz
⅓ cup79 g2.8 oz
½ cup119 g4.2 oz
⅔ cup158 g5.6 oz
¾ cup178 g6.3 oz
1 cup237 g8.4 oz
1½ cups356 g12.5 oz
2 cups474 g16.7 oz
3 cups711 g25.1 oz
4 cups948 g33.4 oz
1 tablespoon15 g0.5 oz
1 teaspoon4.9 g0.2 oz

Grams of water to cups

GramsCupsIn measuring cups and spoons
25 g0.111⅔ tbsp
50 g0.213⅓ tbsp
100 g0.42⅓ cup + 1⅓ tbsp
125 g0.53½ cup + ⅓ tbsp
150 g0.63½ cup + 2 tbsp
200 g0.84¾ cup + 1⅔ tbsp
250 g1.051 cup + 1 tbsp
300 g1.271¼ cups + ⅓ tbsp
500 g2.112 cups + 1⅔ tbsp
1000 g4.224 cups + 3⅔ tbsp

Measuring water

A milliliter of water weighs a gram, so a 236.6 ml US cup weighs about 237 grams.

These weights come from the USDA FoodData Central and assume a level US cup of 236.6 milliliters. For example, 1½ cups of water is 356 grams.

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Frequently asked questions

How many grams is 1 cup of water?

1 cup of water weighs 237 grams, or 8.4 ounces, measured in a level US cup.

How many grams is ½ cup of water?

½ cup of water weighs 119 grams. ¼ cup weighs 59 grams.

How many grams are in a tablespoon of water?

1 tablespoon of water weighs about 15 grams, and 1 teaspoon about 4.9 grams.

How many cups is 100 grams of water?

100 grams of water is 0.42 cups, or about ⅓ cup + 1⅓ tbsp.

Last updated · Sources: USDA FoodData Central

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