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Water — Cups in Lb
How many lb of water in 1 cup?
1 cup of water equals 0.522 ( ~ 1/2) lb*
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 lb?

FAQs on water volume to weight conversion
1 cup of water equals how many lb?
1 cup of water is equivalent 0.522 ( ~ 1/2) lb.
How much is 0.522 lb of water in cups?
0.522 lb of water equals 1 cup.
US cups to Pounds 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 pounds of Water | |
|---|---|
| 0.0326 pounds | |
| 0.0652 ( ~ 1/8 ) pounds | |
| 0.13 ( ~ 1/8 ) pounds | |
| 0.174 ( ~ 1/8 ) pounds | |
| 0.261 ( ~ 1/4 ) pounds | |
| 0.348 ( ~ 1/3 ) pounds | |
| 0.391 ( ~ 1/3 ) pounds | |
| 1 US cup | 0.522 ( ~ 1/2 ) pounds |
| 1 | 0.554 ( ~ 1/2 ) pounds |
| 1 | 0.587 ( ~ 2/3 ) pounds |
| 1 | 0.652 ( ~ 2/3 ) pounds |
| 1 | 0.695 ( ~ 2/3 ) pounds |
| 1 | 0.782 ( ~ 3/4 ) pounds |
| 1 | 0.869 ( ~ 3/4 ) pounds |
| 1 | 0.913 ( ~ 1 ) pounds |
| 2 US cups | 1.04 ( ~ 1 ) pounds |
| 2 | 1.08 ( ~ 1 1/8 ) pounds |
| 2 | 1.11 ( ~ 1 1/8 ) pounds |
| 2 | 1.17 ( ~ 1 1/8 ) pounds |
| 2 | 1.22 ( ~ 1 1/4 ) pounds |
| 2 | 1.3 ( ~ 1 1/3 ) pounds |
| 3 US cups | 1.56 ( ~ 1 1/2 ) pounds |
| 4 US cups | 2.09 ( ~ 2 1/8 ) pounds |
| 5 US cups | 2.61 ( ~ 2 2/3 ) pounds |
| 6 US cups | 3.13 ( ~ 3 1/8 ) pounds |
| 8 US cups | 4.17 ( ~ 4 1/8 ) pounds |
| 10 US cups | 5.22 ( ~ 5 1/4 ) pounds |
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 ☺.