Dough Hydration Calculator

Calculate dough hydration from total water and flour, including a starter. Enter your own values below to see dough hydration and check the method behind it.

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Your inputs

Change the example values to match your situation.

Your result

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Fill in your inputs and select Calculate.
Your result and breakdown will appear here.

How this calculator works

Hydration = total water weight ÷ total flour weight × 100. Include flour and water contributed by a starter.

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What is Dough Hydration Calculator?

Dough Hydration Calculator helps you calculate dough hydration from total water and flour, including a starter.

The main result is dough hydration. The formula, example and assumptions below explain how to interpret it.

How to use Dough Hydration Calculator

Use the example to get familiar with the form, then enter your own figures. Any rates in the example are illustrative. Check the field labels and units before calculating.

  1. Gather total water weight (g) and total flour weight (g). Use values from the same situation or reporting period.
  2. Replace the example total water weight with your own value, then complete the other fields. Check the displayed units.
  3. Select Calculate and read dough hydration. Change one input and calculate again to compare a second scenario. Reset restores the original example.
  • Enter total water weight in g, at least 0. Decimals are accepted.
  • Enter total flour weight in g, at least 0.001. Decimals are accepted.

Dough Hydration Calculator: a worked example

With the inputs below, the result is 70 % (dough hydration). Follow the example, then replace these illustrative values with your own.

Example inputs and output
Input or outputExample value
Total water weight (g)350 g
Total flour weight (g)500 g
Dough hydration70 %

Understanding the Dough Hydration result

The main output is dough hydration, expressed in %. It applies to the inputs and operation you selected.

Displayed results use a readable number of decimal places. When checking a result by hand, keep extra precision until the last step. To compare scenarios, change one input at a time and keep the others fixed.

Dough Hydration Calculator: assumptions and common mistakes

A useful estimate starts with the right inputs. Check the following assumptions and limits before applying the result to your situation.

  • Cups measure volume; grams measure mass. Use an ingredient-specific density and keep raw and cooked portion sizes separate.

For wider guidance, visit FSSAI. The formula and scope of this specific tool are stated on this page.

Dough Hydration Calculator FAQs

What does Dough Hydration Calculator calculate?

Dough Hydration Calculator helps you calculate dough hydration from total water and flour, including a starter. Its main output is dough hydration in %.

What inputs do I need for Dough Hydration Calculator?

You need total water weight (g) and total flour weight (g). Use the field labels and units to match your figures to the formula.

Which formula does Dough Hydration Calculator use?

Hydration = total water weight ÷ total flour weight × 100. Include flour and water contributed by a starter.

What is a worked example for Dough Hydration Calculator?

Example inputs: Total water weight: 350 g; Total flour weight: 500 g. The result is 70 % (dough hydration).

How should I enter total water weight?

Enter total water weight in g, at least 0. Decimals are accepted.

How do I choose total flour weight?

Enter total flour weight in g, at least 0.001. Decimals are accepted. The example uses 500 g; replace it if your circumstances differ.

How should I read dough hydration?

The main output is dough hydration, expressed in %. It applies to the inputs and operation you selected.

Why might my Dough Hydration Calculator result differ from my records?

Cups measure volume; grams measure mass. Use an ingredient-specific density and keep raw and cooked portion sizes separate. Differences in entered values, units or rounding can also change the comparison.

Can I compare two scenarios in Dough Hydration Calculator?

Yes. Note your first dough hydration, change total water weight or another input, and select Calculate again. Editing a field clears the old result so it is not mistaken for a new calculation.

Is Dough Hydration Calculator free, and where are my inputs calculated?

This calculator is free to use without signing in. Its formula runs in your browser; calculator inputs are not sent to a calculation API. The inputs reset to the example values when you reset the form or start a fresh page.