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All-purpose flour: cups to grams

One US cup of all-purpose flour weighs about 120 grams (4.2 oz). Use the converter or the tables below.

All-purpose flour cup to gram chart

CupsGramsOunces
1/4 cup30 g1.1 oz
1/3 cup40 g1.4 oz
1/2 cup60 g2.1 oz
2/3 cup80 g2.8 oz
3/4 cup90 g3.2 oz
1 cup120 g4.2 oz
1.5 cup180 g6.3 oz
2 cup240 g8.5 oz
3 cup360 g12.7 oz
4 cup480 g16.9 oz

Spoons and millilitres

AmountWeight
1 tablespoon7.5 g
1 teaspoon2.5 g
1 fluid ounce15.0 g
100 ml50.7 g

Where these weights come from

Weights follow the King Arthur Baking ingredient weight chart (rounded). Brands and measuring methods vary, so treat results as close estimates.

Going the other way? Try all-purpose flour grams to cups.

Common questions

How many grams are in 1 cup of all-purpose flour?

About 120 grams (4.2 oz) for a US cup.

How many grams are in half a cup of all-purpose flour?

About 60 grams.

Is it better to weigh all-purpose flour than to use cups?

Yes. A scale gives the same result every time, while cup measures change with how you scoop or pack the ingredient.

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