Water
Liquid·Density: 1 g/ml
Also known as: tap water, filtered water, room temperature water
Density Information
1 g/ml(poured method)
Data source
USDA FoodData CentralAll Conversions
Measuring Tips
- 1 cup water = 237ml = 237g (density is effectively 1:1)
- Temperature affects density slightly — cold water is denser
Water — Quick Reference
Common us cup to gram conversions
| US Cup | Gram |
|---|---|
| ¼ cup | 59g |
| ⅓ cup | 79g |
| ½ cup | 118g |
| ⅔ cup | 158g |
| ¾ cup | 177g |
| 1 cup | 237g |
| 1½ cups | 355g |
| 2 cups | 473g |
Based on water density of 1 g/ml (poured method). Source: USDA FoodData Central.
Frequently Asked Questions
1 US cup of water weighs approximately 237 grams. This is based on a density of 1 g/ml using the poured measurement method.
Water has a density of 1 g/ml when measured using the poured method. This data is sourced from USDA FoodData Central.
For best accuracy, always measure water by weight (grams) using a kitchen scale. Volume measurements (cups) can vary by 10-30% depending on your measurement technique. This is especially important in baking where precision matters.