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

1 cup of all-purpose flour weighs 120 grams (4.2 oz). Half a cup is 60 grams and a tablespoon is about 7.5 grams. Use the converter for any other amount.

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1 cup of all-purpose flour weighs

120 g

4.2 oz

Cups of all-purpose flour to grams

Cups	Grams	Ounces
⅛ cup	15 g	0.5 oz
¼ cup	30 g	1.1 oz
⅓ cup	40 g	1.4 oz
½ cup	60 g	2.1 oz
⅔ cup	80 g	2.8 oz
¾ cup	90 g	3.2 oz
1 cup	120 g	4.2 oz
1½ cups	180 g	6.3 oz
2 cups	240 g	8.5 oz
3 cups	360 g	12.7 oz
4 cups	480 g	16.9 oz
1 tablespoon	7.5 g	0.3 oz
1 teaspoon	2.5 g	0.1 oz

Grams of all-purpose flour to cups

Grams	Cups	In measuring cups and spoons
25 g	0.21	3⅓ tbsp
50 g	0.42	⅓ cup + 1⅓ tbsp
100 g	0.83	¾ cup + 1⅓ tbsp
125 g	1.04	1 cup + ⅔ tbsp
150 g	1.25	1¼ cups
200 g	1.67	1⅔ cups
250 g	2.08	2 cups + 1⅓ tbsp
300 g	2.5	2½ cups
500 g	4.17	4 cups + 2⅔ tbsp
1000 g	8.33	8⅓ cups

Measuring all-purpose flour

Spoon flour into the cup and level it with a knife. Scooping straight from the bag packs it down and can add 20 to 30 grams per cup.

These weights come from the King Arthur Baking ingredient weight chart and assume a level US cup of 236.6 milliliters. For example, 1½ cups of all-purpose flour is 180 grams.

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Frequently asked questions

How many grams is 1 cup of all-purpose flour?

1 cup of all-purpose flour weighs 120 grams, or 4.2 ounces, measured in a level US cup.

How many grams is ½ cup of all-purpose flour?

½ cup of all-purpose flour weighs 60 grams. ¼ cup weighs 30 grams.

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

1 tablespoon of all-purpose flour weighs about 7.5 grams, and 1 teaspoon about 2.5 grams.

How many cups is 100 grams of all-purpose flour?

100 grams of all-purpose flour is 0.83 cups, or about ¾ cup + 1⅓ tbsp.

Last updated November 5, 2026 · Sources: King Arthur Baking ingredient weight chart

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