100g Water in Cups
100 grams of water is ⅜ cup — 236g 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:
Measuring by hand? That is 6 tablespoons + 2¼ teaspoons. 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
Quick select
100 grams of Water is about ⅜ cup, using a 236.588 millilitre cup at 236 grams per cup.
Reading
- cups
- 0.42
- tbsp
- 6.8
- tsp
- 20.3
See the full 100g to cups guide →
US customary cup (236.588ml) · 236g per cup
Dedicated conversion guides use the default US customary cup.
Applies to this page only — the database value (236g per US cup) is unchanged.
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:
| Ingredient | 100g in cups | g per cup |
|---|---|---|
| Water | ⅜ cup | 236 |
| All-Purpose Flour | ¾ cup | 125 |
| Granulated Sugar | ½ cup | 200 |
| Butter | ½ cup | 227 |
See all 100g conversions on the 100 grams to cups chart.
Nearby water amounts
| Grams of water | Cups | Tablespoons |
|---|---|---|
| 75g | ⅓ cup | 5.08 tbsp |
| 80g | ⅓ cup | 5.42 tbsp |
| 85g | ⅜ cup | 5.76 tbsp |
| 90g | ⅜ cup | 6.1 tbsp |
| 110g | ½ cup | 7.46 tbsp |
| 113g | ½ cup | 7.66 tbsp |
| 115g | ½ cup | 7.8 tbsp |
| 120g | ½ cup | 8.14 tbsp |
Full ladder on the water grams to cups chart.
Frequently Asked Questions
How many cups is 100g of water?
100 grams of water is ⅜ cup. In kitchen measures that is 6 tablespoons + 2¼ teaspoons, worked out from 236 grams per US cup.
How many grams are in 1 cup of water?
One US cup of water weighs about 236 grams, one tablespoon about 14.75 grams, and one teaspoon about 4.92 grams. This page divides 100 grams by that cup weight.
Is 100g of water the same as 100g of all-purpose flour?
No. 100g of water is ⅜ cup, while 100g of all-purpose flour is ¾ cup. Same weight on the scale, different volume in the cup, because the two have different densities.
How do I measure 100g of water without a scale?
Use 6 tablespoons + 2¼ teaspoons. 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.
Is it better to weigh water or measure it in cups?
Weighing is more accurate, especially in baking, because it removes the variation in how the water is packed into the cup. If you have no scale, use the cup figure above and keep your measuring method consistent across the whole recipe.