Flour Type Conversion Calculator
Convert between all-purpose, bread, cake, and whole wheat flour.
Get the right weight adjustment when substituting flour types.
Flour measurement conversion between cups and grams is one of the most important skills in baking. Volume measurements (cups) are notoriously imprecise because flour density varies significantly with how it is scooped, sifted, or settled.
Weight Formula:
Grams = Cups × Grams per Cup
Grams per cup by flour type (unsifted, spooned into cup):
| Flour Type | Grams per Cup |
|---|---|
| All-purpose flour | 120–130 g |
| Bread flour | 120–130 g |
| Cake flour | 100–110 g |
| Whole wheat flour | 120–130 g |
| Almond flour | 96 g |
| Coconut flour | 112 g |
| Rye flour | 102 g |
| Oat flour | 90 g |
| Rice flour | 158 g |
Why the range exists: The same cup of all-purpose flour can weigh anywhere from 110 g to 165 g depending on technique:
- Scooped directly from bag: ~150–165 g (compressed)
- Spooned into cup, leveled: ~125–130 g (standard)
- Sifted, then measured: ~110–115 g (lightest)
Professional recipes specify grams to eliminate this ambiguity entirely.
Worked example: Recipe calls for 2.5 cups of cake flour. Conversion: 2.5 × 105 g = 262.5 g → scale to 263 g
Practical conversion shortcuts (all-purpose flour):
- 1 cup = 125 g (standard)
- 3/4 cup = 94 g
- 1/2 cup = 63 g
- 1/3 cup = 42 g
- 1/4 cup = 31 g
The best practice in baking: Use a digital kitchen scale. Even small flour measurement errors compound across multiple cups, leading to dense cakes, crumbly cookies, or tough bread. A $10 kitchen scale pays for itself the first time it saves a batch of macarons.