Conversions from Volume to Weight
all-purpose flour, sifted
1 tablespoon = 3/8 ounce = 5 grams
1/4 cup = 1 ounce = 25 grams
1/3 cup = 1 1/4 ounces = 30 grams
1/2 cup = 2 ounces = 50 grams
2/3 cup = 2 3/4 ounces = 65 grams
3/4 cup = 3 ounces = 70 grams
1 cup = 4 ounces = 95 grams

 

all-purpose flour, unsifted
1 tablespoon = 1/4 ounce = 7.5 grams
1/4 cup = 1 1/4 ounces = 31 grams
1/3 cup = 1 1/2 ounces = 42 grams
1/2 cup = 2 1/2 ounces = 63 grams
2/3 cup = 3 1/4 ounces = 75 grams
3/4 cup = 3 1/2 ounces = 85 grams
1 cup = 4 1/4 ounces = 125 grams
3 cups = 16 ounces = 1 pound

 

bread flour
1/4 cup = 1 1/4 ounces = 30 grams
1/3 cup = 1 3/4 ounces = 45 grams
1/2 cup = 2 1/2 ounces = 60 grams
2/3 cup = 3 1/4 ounces = 75 grams
3/4 cup = 3 3/4 ounces = 75 grams
1 cup = 5 ounces = 110 grams

 

buckwheat flour, unsifted
1/4 cup = 1 ounce = 25 grams
1/3 cup = 1 3/4 ounces = 45 grams
1/2 cup = 2 ounces = 50 grams
2/3 cup = 2 3/4 ounces = 65 grams
3/4 cup = 3 ounces = 70 grams
1 cup = 4 ounces = 95 grams

 

cake flour, sifted
1/4 cup = 1 ounce = 25 grams
1/3 cup = 1 1/4 ounces = 30 grams
1/2 cup = 1 3/4 ounces = 45 grams
2/3 cup = 2 1/4 ounces = 55 grams
3/4 cup = 2 1/2 ounces = 60 grams
1 cup = 3 1/2 ounces = 82.5 grams

 

cake flour, unsifted
1/4 cup = 1 ounce = 25 grams
1/3 cup = 1 1/4 ounces = 30 grams
1/2 cup = 2 ounces = 50 grams
2/3 cup = 2 3/4 ounces = 65 grams
3/4 cup = 3 ounces = 70 grams
1 cup = 4 ounces = 95 grams

 

pasta flour, finely ground durum wheat
1/4 cup = 1 1/2 ounces = 40 grams
1/3 cup = 1 3/4 ounces = 45 grams
1/2 cup = 2 3/4 ounces = 65 grams
2/3 cup = 3 3/4 ounces = 75 grams
3/4 cup = 4 ounces = 95 grams
1 cup = 5 1/2 ounces = 122.5 grams

 

whole-wheat flour, sifted
1/4 cup = 1 1/4 ounce = 30 grams
1/3 cup = 1 1/2 ounces = 40 grams
1/2 cup = 2 1/4 ounces = 55 grams
2/3 cup = 3 ounces = 70 grams
3/4 cup = 3 1/4 ounces = 75 grams
1 cup = 4 1/2 ounces = 102.5 grams

 

whole-wheat flour, unsifted
1/4 cup = 1 1/2 ounces = 40 grams
1/3 cup = 1 3/4 ounces = 45 grams
1/2 cup = 2 3/4 ounces = 65 grams
2/3 cup = 3 3/4 ounces = 75 grams
3/4 cup = 4 ounces = 95 grams
1 cup = 5 1/2 ounces = 122.5 grams

 

Flour Substitutions
Instead of 1 Cup You Can Use
cake flour 1 cup minus 2 tablespoons all-purpose flour
self-rising flour 1 cup all-purpose flour plus 1 1/2 teaspoons baking powder and 1/8 teaspoon salt
sifted all-purpose flour 1 cup minus 2 tablespoons unsifted all-purpose flour
sifted cake flour 1 cup minus 2 tablespoons unsifted cake flour
whole-wheat flour 1/8 cup all-purpose flour plus 2 tablespoons wheat germ

 

Flour Protein Content
Flour Type Protein (g/cup)
bread 14
unbleached 13
all-purpose flour 10–12
Southern all-purpose 9
cake 8