Baker's Percentage Calculator

Find the hydration and baker's percentages of your dough.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

This calculator computes baker's percentages, the professional bread-baking convention where flour is always set to 100% and every other ingredient — water, salt, yeast, fat — is expressed as a percentage of the flour weight, regardless of batch size. Hydration is simply the water percentage in this system.

Professional and home bakers use baker's percentages to scale recipes up or down reliably, compare dough formulas across recipes, and hit a target hydration for a specific bread style (lean doughs around 60-65%, ciabatta well above 75%). Enter your ingredient weights to see each one's baker's percentage and total hydration.

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