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One Cup of Water in Grams
How many grams of water in One cup?
one cup of water equals 237 grams*
About water measurements
Water is the reference point for every other ingredient here, with a density of 1.0 g/ml, so one US cup is 237 g. It peaks near 1.000 g/ml at about 4°C and thins slightly as it warms, so hot water measured by volume weighs a touch less than cold.
Cups of water equivalent in grams?

FAQs on water volume to weight conversion
Is one cup of water 237 grams?
Yes — one cup of water weighs 237 grams, based on a density of 1 g/ml.
One cup of water equals how many grams?
One cup of water is equivalent 237 grams.
How much is 237 grams of water in cups?
237 grams of water equals one cup.
US cups to Grams of Water Conversion Chart
Note: Fractions are rounded to common recipe fractions (1/8, 1/4, 1/3, 1/2, 2/3, 3/4…). Values are rounded to 3 significant figures.
| US cups to grams of Water | |
|---|---|
| 14.8 grams | |
| 29.6 grams | |
| 59.1 grams | |
| 78.9 grams | |
| 118 grams | |
| 158 grams | |
| 177 grams | |
| 1 US cup | 237 grams |
| 1 | 251 grams |
| 1 | 266 grams |
| 1 | 296 grams |
| 1 | 315 grams |
| 1 | 355 grams |
| 1 | 394 grams |
| 1 | 414 grams |
| 2 US cups | 473 grams |
| 2 | 488 grams |
| 2 | 503 grams |
| 2 | 532 grams |
| 2 | 552 grams |
| 2 | 591 grams |
| 3 US cups | 710 grams |
| 4 US cups | 946 grams |
| 5 US cups | 1180 grams |
| 6 US cups | 1420 grams |
| 8 US cups | 1890 grams |
| 10 US cups | 2370 grams |
References:
Popular Volume to Weight Conversions
A note on cooking ingredients measurements
Notes: results are rounded (by default) to 3 significant figures. Cooking conversions use standard ingredient densities — the exact weight varies slightly with the brand and how tightly the ingredient is packed ☺.