Calculate bakers percentage.
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Dough Hydration Calculator
Quick answer
If water is 650 g and flour is 1,000 g, the hydration is 65%.
Enter your values
g
g
Hydration
65%
A suggested daily fluid intake based on the values you entered.
Moderate
Hydration
65%
Water
650 g
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See how the result changes
Each table re-runs this calculator with one value changed and everything else left as it is.
Hydration by water
If water goes from 650 g to 975 g, hydration changes from 65% to 97.5% (+50%).
| Water | Hydration |
|---|---|
| 325 g | 32.5% |
| 488 g | 48.8% |
| 650 gstart | 65% |
| 975 g | 97.5% |
| 1,300 g | 130% |
Hydration by flour
If flour goes from 1,000 g to 1,500 g, hydration changes from 65% to 43.3% (−33%).
| Flour | Hydration |
|---|---|
| 500 g | 130% |
| 750 g | 86.7% |
| 1,000 gstart | 65% |
| 1,500 g | 43.3% |
| 2,000 g | 32.5% |
FOOD & COOKING GUIDE
A quick guide to Dough Hydration
Use it to get an accurate hydration in seconds — free, with no sign-up.
Instant results
See your hydration the moment you enter your numbers.
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The same standard formula runs on our server for every calculation.
How to Use the Dough Hydration Calculator
1
Enter Water
Provide your water, in g.
2
Enter Flour
Provide your flour, in g.
3
View Your Results
Get your hydration instantly, calculated on our server.
What is Dough Hydration?
This food & cooking tool works out your hydration instantly, so you don't have to do the math by hand.
“One quick calculation, so you always know your hydration before you decide.”
What Affects Your Hydration
Your hydration depends on the values below.
Water
Changing your water changes your hydration.
Flour
Changing your flour changes your hydration.
Example Result
Here's what you can expect from a dough hydration calculation:
- Water
- 650 g
- Flour
- 1000 g
- Hydration
- 65%
Frequently Asked Questions
- How does water affect hydration?
- If water goes from 650 g to 975 g, hydration changes from 65% to 97.5% (+50%).
- How does flour affect hydration?
- If flour goes from 1,000 g to 1,500 g, hydration changes from 65% to 43.3% (−33%).
- How to calculate dough hydration?
- Fill in water and flour in the Dough Hydration Calculator above and your hydration is calculated instantly. Change any value to see how the result responds.
- What does an example dough hydration calculation look like?
- If water is 650 g and flour is 1,000 g, the hydration is 65%.
- Is this calculator free to use?
- Yes — every calculator on this site is completely free, with no sign-up or account required.
- How accurate is this calculator?
- It uses the standard formula and calculates on our server for every request, so results are precise for the values you enter.
- Is my data saved anywhere?
- No. Nothing you enter is stored or sent anywhere unless you choose to share a link with your values included.
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