Flour Type Conversion Calculator — Substitute Between Flour Types
Convert between plain, self-raising, bread, cake, and 00 flours. Get baking powder adjustments, protein comparisons, and substitution notes.
Protein: ~10%
Protein: ~9%
How We Calculate This
This calculator handles two types of flour conversion: leavening adjustments (adding or removing baking powder when converting between plain and self-raising) and protein content adjustments (adding vital wheat gluten when moving to a higher-protein flour).
Protein content by type
- Cake flour: ~7.5%
- Self-raising: ~9%
- Plain / all-purpose: ~10%
- 00 flour: ~11%
- Bread / strong flour: ~12.5%
Baking powder rate
Standard rate: 2 tsp per 150g flour for self-raising equivalent.
Frequently Asked Questions
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Last updated: March 2026
All calculations are based on standard ratios and conversions. Results may vary with specific ingredients, equipment, and conditions.