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Cups of bread flour to grams

1 cup of bread flour = 137 g

Bread flour in USDA's data: ½ cup = 68.5 g · ¼ cup = 34.3 g · 1 tbsp = 8.6 g.

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Ingredient: bread flour, 137 g per US cup

137 g

That is 4.83 oz by weight.

Type a number — fractions like 3/4 or 1 1/2 work too.

Cups of bread flour in grams

US cups, level. Spoon amounts are worked out from the cup weight.

US cups of bread flour in grams and ounces
AmountGramsOunces
1 tsp2.9 g0.1 oz
1 tbsp8.6 g0.3 oz
⅛ cup17.1 g0.6 oz
¼ cup34.3 g1.21 oz
⅓ cup45.7 g1.61 oz
½ cup68.5 g2.42 oz
⅔ cup91.3 g3.22 oz
¾ cup102.8 g3.62 oz
1 cup137 g4.83 oz
1½ cups205.5 g7.25 oz
2 cups274 g9.67 oz
3 cups411 g14.5 oz
4 cups548 g19.3 oz

Grams of bread flour in cups

Grams of bread flour in US cups
GramsCupsMeasure
25 g0.18≈ 3 tbsp
50 g0.36≈ ⅓ cup + 1 tbsp
75 g0.55≈ ½ cup + 1 tbsp
100 g0.73≈ ¾ cup
125 g0.91≈ ¾ cup + 3 tbsp
150 g1.09≈ 1 cup + 2 tbsp
200 g1.46≈ 1⅓ cups + 2 tbsp
250 g1.82≈ 1¾ cups + 1 tbsp
300 g2.19≈ 2 cups + 3 tbsp
400 g2.92≈ 2¾ cups + 3 tbsp
500 g3.65≈ 3⅔ cups

A cup of bread flour weighs 137 g in USDA's data, against 125 g for all-purpose flour. Swap one for the other cup for cup and you add about 10% more flour by weight.

Where this number comes from

USDA FoodData Central lists 1 cup of “Wheat flour, white, bread, enriched” at 137 g (FDC ID 168896, SR Legacy).

Everything else is worked out from that figure: spoons from 1 cup = 16 tablespoons = 48 teaspoons, and ounces and pounds from their exact definitions (1 oz = 28.349523125 g, 1 lb = 453.59237 g, NIST).

Source: FoodData Central, USDA Agricultural Research Service.

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