Flour Type Converter

Convert between all-purpose, cake, bread and whole wheat flour with correct adjustments.

cups

Results

Cake flour needed1 cups
AdjustmentUse 1 cup minus 2 tbsp per cup, plus 2 tbsp cornstarch per cup. Sift twice.
Protein content noteCake: 7-8% protein, AP: 10-12%

Different flours have different protein content which affects gluten development. Cake flour (7-8% protein) makes tender cakes, bread flour (12-14%) makes chewy bread and all-purpose (10-12%) is the middle ground. When substituting, adjustments are needed to compensate for these differences.

Explore all our baking science calculator tools, or browse the full cooking hub.

Frequently asked questions

For each cup of cake flour needed, measure 1 cup of all-purpose flour, remove 2 tablespoons and replace with 2 tablespoons of cornstarch. Sift together twice.

Yes, bread flour can be used 1:1 for all-purpose. The result will be slightly chewier and more structured. This works well for pizza dough and rustic breads.

Replace 75% of all-purpose with whole wheat. Add 1 tablespoon more liquid per cup and let the batter rest 20 minutes for the bran to absorb moisture.

Cake flour has 7-8% protein versus 10-12% in all-purpose. Less protein means less gluten development, resulting in a more tender, delicate crumb.

Yes, all-purpose flour works for most breads. For better structure, add 1 teaspoon of vital wheat gluten per cup. The result will have slightly less chew than bread flour.

Related tools