100g Water in Cups

100 grams of water is ⅜ cup 240g per US cup. Small water amounts usually go into a slurry, a glaze or a yeast starter, where a tablespoon measure is close enough.

How many cups is 100g of water?

100 grams of water equals:

approximate cup
0.42
decimal cup
6.67
tablespoons
240g
per cup

Measuring by hand? That is 7 tablespoons. It is about 40% of a 250 ml glass.

Water is the one ingredient where grams and millilitres match one for one, so a jug marked in ml is as accurate as a scale.

Grams to Cups Converter

Select an ingredient for accurate conversions

Quick select:
Water(Liquids)
240g per cup
grams

Dedicated conversion guides use the default US customary cup.

Applies to this page only — the database value (240g per US cup) is unchanged.

100 grams of Water is about ⅜ cup, using a 236.588 millilitre cup at 240 grams per cup.

cup
¼½¾1
100g of Water
= 0.42 cups (decimal)
About 6.7 tablespoons or 20.0 teaspoons (approximate)
Measured out: 7 tablespoons
1 cup (236.588ml) = 240g

See the full 100g to cups guide →

See 100g water to cups →

Quick conversions:

100g of water vs other ingredients

Grams measure weight and cups measure volume, so the same 100 grams fills a different amount of cup for every ingredient:

Ingredient100g in cupsg per cup
Water⅜ cup240
All-Purpose Flour¾ cup125
Granulated Sugar½ cup200
Butter½ cup227

See all 100g conversions on the 100 grams to cups chart.

Nearby water amounts

Grams of waterCupsTablespoons
75g⅓ cup5 tbsp
80g⅓ cup5.33 tbsp
85g⅜ cup5.67 tbsp
90g⅜ cup6 tbsp
110g½ cup7.33 tbsp
113g½ cup7.53 tbsp
115g½ cup7.67 tbsp
120g½ cup8 tbsp

Full ladder on the water grams to cups chart.

Frequently Asked Questions

100 grams of water is ⅜ cup. In kitchen measures that is 7 tablespoons, worked out from 240 grams per US cup.

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