Convert Water from Cup to Grams
How many grams is 1 cup of water?
1 cup of water (H2O) is 250 grams. 2 cups of water is 500 grams. 1/2 cup of water is 125 grams. 1/4 cup (0.25 cup) of water is 62.5 grams. Use the converter below for any amount.
- These figures use the metric cup (250 ml), so 1 cup is 250 g. A US cup is slightly smaller at 240 ml and holds about 240 g.
- Cup sizes are not standard worldwide, so the same cup of an ingredient can weigh more or less depending on the country. What is a cup measurement →
No measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.
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Common Water Conversions
Here are the most common water conversions from cups to grams.
| Cups | Grams |
|---|---|
| 0.25 cups | 62.5 g |
| 0.5 cups | 125 g |
| 0.75 cups | 187.5 g |
| 1 cup | 250 g |
| 1.25 cups | 312.5 g |
| 1.5 cups | 375 g |
| 2 cups | 500 g |
| 2.5 cups | 625 g |
| 3 cups | 750 g |
For cups to grams with a different ingredient, use the cups to grams converter for a quick-reference table.
For the reverse conversion, see 100 grams of water in cups.
Frequently Asked Questions
- What is 1 cup of water in grams?
- 1 cup of water is 250 grams. The ratio is fixed, so 2 cups of water is 500 grams and 0.5 cups is 125 grams. Use the converter above for any quantity, or check the conversion chart on this page for the most common amounts at a glance. Open the water converter
- How many grams is 1.5 cups of water?
- 1.5 cups of water is 375 grams. The ratio is fixed, so 1 cup of water is 250 grams and 2 cups is 500 grams. Type any other amount into the converter above for the exact figure, or use the chart above for the common ones.
- What is 2 cups of water in grams?
- 2 cups of water is 500 grams. Conversions scale in a straight line, so halving or doubling a recipe keeps the same ratio. 1 cup of water is 250 grams, and you can multiply or divide that figure to match whatever your recipe needs. Enter any amount in the converter above for an exact grams reading.
- How many cups of water is 250 grams?
- 250 grams of water is 1 cup. The conversion works the same in reverse, so you can switch between grams and cups without changing the result. This helps when a recipe lists cups but you would rather weigh or measure in grams. The converter above and the chart above cover both directions for any amount.
- How much is 1 cup of H2O in grams?
- H2O is another name for water, so 1 cup of H2O is 250 grams, exactly the same as water. The figure does not change with the name: 2 cups is 500 grams and 0.5 cups is 125 grams. Use the converter above for any quantity, or read the conversion chart on this page for the most common amounts.