Kitchen Reference
A direct kitchen reference for half a cup in grams, with ingredient examples, a clear formula, and a quick checker.
Half a cup equals approximately 118 grams of water.
For common kitchen ingredients, half a cup is about 63 grams of all-purpose flour, 100 grams of granulated sugar, 110 grams of packed brown sugar, 114 grams of butter, and 93 grams of uncooked white rice.
The exact gram amount changes by ingredient because cups measure volume and grams measure weight.
| Ingredient | Grams | Tablespoons |
|---|---|---|
| Water | About 118 g | About 8 tbsp |
| All-purpose flour | About 63 g | About 8 tbsp |
| Granulated sugar | About 100 g | About 8 tbsp |
| Brown sugar (packed) | About 110 g | About 8 tbsp |
| Butter | About 114 g | About 8 tbsp |
| Uncooked white rice | About 93 g | About 8 tbsp |
A cup measures volume, but grams measure weight. That is why half a cup of flour does not weigh the same as half a cup of sugar, butter, or rice.
Ingredient density is the main reason for the difference. Measuring method also matters, especially with packed brown sugar or loosely filled flour.
Grams = cups multiplied by grams per cup of the ingredient.
For water, one US cup weighs about 236.588 grams. So 0.5 multiplied by 236.588 gives about 118 grams. For flour, 0.5 multiplied by 125 gives about 63 grams.
This conversion is useful when a recipe gives a cup fraction but you want to weigh the ingredient for better accuracy, easier scaling, or consistent baking results.
It is especially helpful for cookies, cakes, sauces, and small-batch recipes where small measurement differences can change the result.
These pages help when you are moving between cup fractions, full cups, and gram-based recipe measurements.
No. Half a cup stays the same volume, but the weight changes because ingredients have different densities.
Using a common US reference of 125 grams per cup, half a cup of all-purpose flour is about 63 grams.
Using a common US reference of 200 grams per cup, half a cup of granulated sugar is about 100 grams.
For baking, grams are usually more repeatable because they avoid differences caused by scooping, packing, and cup size variation.
Choose an ingredient to estimate how much half a cup weighs in grams.
Estimated Grams