Skip to content

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

Last updated: March 2026

All calculations are based on standard ratios and conversions. Results may vary with specific ingredients, equipment, and conditions.