Water - Cups to Grams Conversion Calculator
Convert cups to grams for water with method-based precision.
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About Water
Water is the reference liquid for kitchen conversions: 1 ml equals 1 gram at normal cooking precision. This makes water useful for converting cups, grams, milliliters, and fluid ounces in hydration and baking recipes.
For reverse conversion, 1 cup of water weighs approximately 237g with Spoon & Level.
Density data sourced from NIST US customary cup volume and water density at kitchen precision. US Cup = 236.588ml (NIST). Results are estimates.
Popular Conversions
| Volume (cups) | Grams (Spoon & Level) | Grams (Dip & Sweep) | Grams (Sifted) |
|---|---|---|---|
| 1/8 cups | 30g | 30g | 30g |
| 1/4 cups | 59g | 59g | 59g |
| 1/3 cups | 79g | 79g | 79g |
| 1/2 cups | 118g | 118g | 118g |
| 2/3 cups | 158g | 158g | 158g |
| 3/4 cups | 177g | 177g | 177g |
| 1 cup | 237g | 237g | 237g |
| 1 1/4 cups | 296g | 296g | 296g |
| 1 1/2 cups | 355g | 355g | 355g |
| 1 3/4 cups | 414g | 414g | 414g |
| 2 cups | 473g | 473g | 473g |
| 2 1/4 cups | 532g | 532g | 532g |
| 2 1/2 cups | 591g | 591g | 591g |
| 2 3/4 cups | 651g | 651g | 651g |
| 3 cups | 710g | 710g | 710g |
| 3 1/2 cups | 828g | 828g | 828g |
| 3 3/4 cups | 887g | 887g | 887g |
| 4 cups | 946g | 946g | 946g |
| 4 1/4 cups | 1006g | 1006g | 1006g |
| 4 1/2 cups | 1065g | 1065g | 1065g |
| 5 cups | 1183g | 1183g | 1183g |
| 8 cups | 1893g | 1893g | 1893g |
Expert Tips
For kitchen conversions, 1 ml of water is treated as 1 gram.
A US cup is 236.588 ml, so 1 cup of water is about 237 grams.
Use water pages for liquid recipe conversions, hydration math, and checking cup-to-gram values.
Nutrition Facts
Nutrition Facts
Per 100g of Water
Values are approximate and based on USDA data.
Related Ingredients
Frequently Asked Questions About Water Cups to Grams
1/4 cup of water weighs approximately 59g using Spoon & Level, or 59g with Dip & Sweep.
1/3 cup of water weighs approximately 79g using Spoon & Level, or 79g with Dip & Sweep.
1/2 cup of water weighs approximately 118g using Spoon & Level, or 118g with Dip & Sweep.
2/3 cup of water weighs approximately 158g using Spoon & Level, or 158g with Dip & Sweep.
3/4 cup of water weighs approximately 177g using Spoon & Level, or 177g with Dip & Sweep.
1 cup of water weighs approximately 237g using Spoon & Level, or 237g with Dip & Sweep.
1 1/4 cups of water weighs approximately 296g using Spoon & Level, or 296g with Dip & Sweep.
1 1/2 cups of water weighs approximately 355g using Spoon & Level, or 355g with Dip & Sweep.
1 US cup of water is 236.588 grams, usually rounded to 237g for kitchen use.
Yes. At kitchen precision, water has a density of 1 g/ml, so 100g water is 100ml.
Use 236.588g for a US measuring cup. Nutrition labels often round a cup to 240ml, which is close enough for many recipes but not the exact US cup.