ExactCup

Water: Cups to Grams

1 cup of water weighs about 237 grams. Convert any amount instantly below.

Water conversion chart

CupsGramsOuncesTablespoons
1/8 cup29.6 g1 oz2 tbsp
1/4 cup59.3 g2.1 oz4 tbsp
1/3 cup79 g2.8 oz5.3 tbsp
1/2 cup118.5 g4.2 oz8 tbsp
2/3 cup158 g5.6 oz10.7 tbsp
3/4 cup177.8 g6.3 oz12 tbsp
1 cup237 g8.4 oz16 tbsp
1 1/2 cup355.5 g12.5 oz24 tbsp
2 cup474 g16.7 oz32 tbsp

Based on 237 g per US cup. Weights vary with brand and measuring method — for precise baking, use a scale.

Measuring water accurately

Read water at eye level in a clear liquid cup placed on a flat surface, letting the meniscus settle before you judge the line. It's the reference everyone trusts, and conveniently one cup weighs almost exactly 237g if you'd rather use a scale.

Frequently asked questions

How many grams is 1 cup of water?

1 US cup of water weighs about 237 grams.

How many grams is 1 tablespoon of water?

1 tablespoon of water is about 14.8 grams (a cup is 16 tablespoons).

How many cups is 100 grams of water?

100 grams of water is about 0.4 cups.

Other grains & misc

See the full grains & misc conversion chart →

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