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Cake flour: cups to grams

1 cup of cake flour = 137 grams (4.8 oz). 1 tablespoon = 8.6 g, 1 teaspoon = 2.9 g. Measured: unsifted, cup dipped into the bag.
Fractions work: 1/3, 1 1/2

Cake flour cups to grams chart

US cupsGramsOunces
1/8 cup17 g0.60 oz
1/4 cup34 g1.2 oz
1/3 cup46 g1.6 oz
1/2 cup69 g2.4 oz
2/3 cup91 g3.2 oz
3/4 cup103 g3.6 oz
1 cup137 g4.8 oz
1 1/2 cups206 g7.2 oz
2 cups274 g9.7 oz
3 cups411 g14.5 oz
4 cups548 g19.3 oz

Tablespoons and teaspoons

Spoon measureGrams
1 teaspoon2.9 g
2 teaspoons5.7 g
1 tablespoon8.6 g
2 tablespoons17 g
3 tablespoons26 g
4 tablespoons (1/4 cup)34 g

Cake flour grams to cups

GramsUS cups (decimal)Closest kitchen measure
25 g0.183 tbsp
50 g0.361/3 cup + 0.5 tbsp
100 g0.732/3 cup + 1 tbsp
125 g0.913/4 cup + 2.5 tbsp
150 g1.091 cup + 1.5 tbsp
200 g1.461 1/3 cups + 2 tbsp
250 g1.821 3/4 cups + 1 tbsp
300 g2.192 cups + 3 tbsp
400 g2.922 3/4 cups + 2.5 tbsp
500 g3.653 1/2 cups + 2.5 tbsp
750 g5.475 1/3 cups + 2.5 tbsp
1000 g7.307 1/4 cups + 1 tbsp

"Closest kitchen measure" rounds down to the nearest standard cup size, then makes up the rest in tablespoons, to the nearest half tablespoon.

Where this number comes from

The weight is taken from the USDA FoodData Central SR Legacy record "Wheat flour, white, cake, enriched" (FDC ID 169723), portion "1 cup unsifted, dipped" = 137 g. US cups are 236.59 mL. A metric cup (250 mL) holds about 145 g, and a UK imperial cup (284 mL) about 165 g.

Real kitchens vary. Brand, humidity, how finely something is ground and how hard you pack the cup can all move the weight by 5–15%. If a recipe author gives grams, use their number.

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