Bread Hydration Calculator

Bread hydration is the ratio of water to flour in a dough, expressed as a percentage. It is the single most important factor determining dough texture, crumb structure, and crust

The calculator uses the standard published formula for bread hydration. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches, percentages, watts. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Baker\'s hydration = (Water weight / Flour weight) × 100. Each step in the calculation is shown so you can verify the result manually.