Cups to Grams Converter

1 US cup of all-purpose flour weighs 120 g, granulated sugar 198 g and butter 227 g. Pick an ingredient to get its exact weight.

Ingredient

1 US cup of all-purpose flour =

120 g

4.2 oz · 16 tbsp · 237 ml

TipSpoon flour into the cup and level it off. Scooping straight from the bag packs in up to 20% more.

How to measure a cup

A kitchen scale is the most accurate way to bake: the same cup of flour can vary by 20 g or more depending on how you fill it.

Cups to grams chart

Grams for common cup amounts. Tap a row link from anywhere on the site to jump straight to it.

Flours & starches

Ingredient¼ cup½ cup1 cup
All-purpose flour30 g60 g120 g
Bread flour30 g60 g120 g
Cake flour30 g60 g120 g
Whole wheat flour28 g57 g113 g
Self-rising flour28 g57 g113 g
Almond flour24 g48 g96 g
Cornstarch28 g56 g112 g

Sugars & syrups

Ingredient¼ cup½ cup1 cup
Granulated sugar50 g99 g198 g
Brown sugar (packed)53 g107 g213 g
Powdered sugar28 g57 g113 g
Honey84 g168 g336 g
Maple syrup78 g156 g312 g
Molasses85 g170 g340 g
Corn syrup78 g156 g312 g

Butter & oils

Ingredient¼ cup½ cup1 cup
Butter57 g114 g227 g
Vegetable oil55 g109 g218 g
Olive oil54 g108 g216 g
Coconut oil57 g114 g227 g

Milk, cream & liquids

Ingredient¼ cup½ cup1 cup
Water59 g119 g237 g
Milk61 g122 g244 g
Heavy cream60 g119 g238 g
Buttermilk61 g123 g245 g
Sour cream58 g115 g230 g
Plain yogurt61 g123 g245 g
Cream cheese57 g114 g227 g

Chocolate, oats, nuts & more

Ingredient¼ cup½ cup1 cup
Cocoa powder21 g42 g84 g
Rolled oats22 g45 g89 g
Chocolate chips43 g85 g170 g
White rice (uncooked)50 g99 g198 g
Peanut butter68 g135 g270 g
Walnuts (chopped)28 g57 g113 g
Raisins37 g75 g149 g
Shredded coconut (sweetened)21 g43 g85 g
Table salt72 g144 g288 g

Weights per US cup (236.6 ml). Dry ingredients spooned and leveled. Sources: King Arthur Baking for dry ingredients, USDA FoodData Central for liquids. Updated Nov 2026.

Cups to grams FAQ

How many grams are in a cup?

It depends on the ingredient, because a cup measures volume and grams measure weight. 1 US cup of water is 237 g, but 1 cup of all-purpose flour is about 120 g and 1 cup of granulated sugar is 198 g. Pick the ingredient in the converter above for the exact number.

How many grams is 1 cup of flour?

1 US cup of all-purpose flour weighs about 120 g when you spoon it into the cup and level it off. Some charts say 125 g. If you scoop straight from the bag, the flour packs down and a cup can weigh 140 g or more, which is why bakers prefer a scale.

How many grams of butter are in a cup?

1 cup of butter is 227 g. That is 2 US sticks of butter (113 g each), or 16 tablespoons.

How many grams of sugar are in a cup?

1 cup of granulated white sugar is 198 g. Packed brown sugar is heavier at 213 g, and unsifted powdered sugar is lighter at 113 g.

Is a US cup the same as a metric cup?

No. A US cup is 236.6 ml. A metric cup, used in Australia, New Zealand, Canada and the UK, is 250 ml, about 6% bigger. Use the US cup / Metric cup switch in the converter to match your recipe.