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Drinks

Water: weights & conversions

A US cup of water weighs about 237 g. 100 g is 0 calories and 0 g of protein.

Also written as: cold water, warm water, boiling water, ice water, hot water.

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1 cup of water is about 237 grams.

Cups to grams

What each measure of water weighs, from the cup weight above.

water volume conversions
VolumeGramsOunces
1 cup237 g8.36 oz
3/4 cup178 g
2/3 cup158 g
1/2 cup119 g
1/3 cup79 g
1/4 cup59.3 g
1 tablespoon14.8 g
1 teaspoon4.94 g

Ounces and pounds

The weights an older recipe card is most likely to use.

water weight conversions
WeightGramsOunces
1 oz28.3 g
4 oz (1/4 lb)113 g
8 oz (1/2 lb)227 g
1 lb454 g
100 g100 g

Nutrition

Per 100 g of edible portion, transcribed from USDA reference data, and scaled to the measures above.

Nutrition for water by measure
MeasureCaloriesProteinFatCarbsFiberSodium
Per 100 g (100 g)00 g0 g0 g0 g0 mg
Per cup (237 g)00 g0 g0 g0 g0 mg
Per tablespoon (14.8 g)00 g0 g0 g0 g0 mg
Per 4 oz (113 g)00 g0 g0 g0 g0 mg

Free recipes that use water

From our starter library — free to read, free to save into your own cookbook.

Common questions

How many grams are in a cup of water?
One US cup of water weighs about 237 g (8.36 oz). A tablespoon is about 14.8 g and a teaspoon about 4.94 g.
How many cups is 100 g of water?
100 g of water is about 0.42 cups — near enough to 3/8 of a cup in a measuring cup.
How many calories are in water?
Water has about 0 calories per 100 g, which works out to roughly 0 calories a cup.

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