Grams to Cups: Water

1 cup of water weighs about 237 grams. Convert any amount between grams, cups and spoons below.

g
⇄
⅜cup
Quick:

100 g of water = ⅜ cup (0.42 exactly)

6 ¾Tablespoons
20 ¼Teaspoons
99.8Milliliters
3.38Fluid ounces

How much does 1 cup of water weigh?

One US cup of water weighs about 237 grams (8.4 oz). A tablespoon holds about 14.8 g and a teaspoon about 4.9 g.

AmountWater in grams
1 cup237 g
¾ cup178 g
⅔ cup158 g
½ cup118 g
⅓ cup79 g
¼ cup59 g
1 tablespoon14.8 g
1 teaspoon4.9 g

Grams to cups water chart

GramsCupsDecimal cups
25 g⅛ cup0.11
50 g¼ cup0.21
75 g⅓ cup0.32
100 g⅜ cup0.42
125 g½ cup0.53
150 g⅝ cup0.63
200 g⅞ cup0.84
250 g1 cup1.05
300 g1 ¼ cups1.27
400 g1 ⅔ cups1.69
500 g2 ⅛ cups2.11
750 g3 ⅛ cups3.16
1000 g4 ¼ cups4.22

How to measure water

Pour liquids into a clear measuring jug on a flat surface and read it at eye level. Thick dairy like yogurt and cream cheese should be spooned in and pressed down to remove air pockets.

Water compared with other liquids & dairy

Different liquids & dairy weigh different amounts per cup, so never swap one for another by volume without converting.

Ingredient1 cup in grams
Milk245 g
Buttermilk245 g
Heavy cream238 g
Yogurt245 g
Greek yogurt245 g
Sour cream230 g
Cream cheese232 g
Shredded cheese113 g

Frequently asked questions

How many grams are in a cup of water?

One US cup of water is about 237 grams.

How many cups is 100 grams of water?

100 grams of water is about ⅜ cup (0.42 cups).

How many cups is 250 grams of water?

250 grams of water is about 1 cup (1.05 cups).

How many grams in a tablespoon of water?

A level tablespoon of water weighs about 14.8 grams.

Other ingredients

Last updated: November 2026. Values use the US cup (236.6 ml) and the spoon-and-level method for dry ingredients.