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Water: cups to grams
One US cup of water weighs 237 g, and one tablespoon weighs 15 g. Convert any amount below, in either direction.
water
237 g
8.3 oz
of water
One millilitre of water weighs one gram, so a cup is 236.6 g.
Water conversion table
Every amount a recipe is likely to ask for. Half a cup is 118 g.
| Water | Grams | Ounces |
|---|---|---|
| 1 teaspoon | 4.9 g | 0.2 oz |
| 1 tablespoon | 15 g | 0.5 oz |
| 1/4 cup | 59 g | 2.1 oz |
| 1/3 cup | 79 g | 2.8 oz |
| 1/2 cup | 118 g | 4.2 oz |
| 2/3 cup | 158 g | 5.6 oz |
| 3/4 cup | 177 g | 6.2 oz |
| 1 cup | 237 g | 8.4 oz |
| 1 1/2 cups | 355 g | 12.5 oz |
| 2 cups | 473 g | 16.7 oz |
| 3 cups | 710 g | 25 oz |
| 4 cups | 946 g | 33.4 oz |
One millilitre of water weighs one gram, so a cup is 236.6 g.
Other fats & dairy
- butter, 227 g per cup
- milk, 240 g per cup
- heavy cream, 232 g per cup
- sour cream, 230 g per cup
- yogurt, 245 g per cup
- cream cheese, 232 g per cup
- olive oil, 216 g per cup
- vegetable oil, 218 g per cup
- shredded cheese, 113 g per cup
- grated parmesan, 90 g per cup
Questions
How many grams is a cup of water?
237 g. That is one US customary cup, 236.6 ml. One millilitre of water weighs one gram, so a cup is 236.6 g.
How many grams is a tablespoon of water?
15 g. A tablespoon is a sixteenth of a cup. A teaspoon of water is 4.9 g.
Which cup does this use?
The US customary cup, 236.6 ml, which is the one American recipes mean. A UK or Australian metric cup is 250 ml, about 6% larger, and a Japanese cup is 200 ml. If your recipe is metric, type the millilitres in directly.
Why is my cup of flour heavier than 120 g?
Because of how you filled it. Scooping straight from the bag compacts the flour and can give you 145 g or more; the standard 120 g assumes you spooned it in and levelled it off. That 20% swing is the reason bakers weigh instead of scooping, and it is why halved and doubled recipes go wrong so often.
Are these conversions exact?
They are the standard US baking-reference values, and each ingredient page says how the cup was filled to get its number. For liquids and sugars they are good to within a gram or two. For anything fluffy or packable, like flour, brown sugar or grated cheese, measuring by volume carries more error than the conversion does.
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