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Calcimator

Proofing Time Calculator

Estimate bulk fermentation and final proof times based on dough temperature, yeast percentage, sugar, salt, and ambient conditions.

Inputs

°F
%
%
%
°F

Results

Bulk ferment time

1.45 hrs

Final proof time

0.97 hrs

Optimal dough temp78 °F
Over-proof risk (1-3)1
How to Use This Calculator
  1. Enter the dough temperature after mixing in °F (ideal: 75–80 °F).
  2. Set yeast, sugar, and salt percentages relative to flour weight.
  3. Enter the ambient room temperature where the dough will proof.
  4. The calculator returns estimated bulk fermentation time, final proof time, optimal dough temperature recommendation, and over-proof risk level.
  5. Adjust ambient temperature (proof box, refrigerator, warm oven) to bring proofing times within your schedule.

How the result changes with Dough temperature

Dough temperatureBulk ferment timeFinal proof time
413.4 hrs2.28 hrs
632.05 hrs1.37 hrs
891.12 hrs0.75 hrs
1110.68 hrs0.46 hrs

What each input means

Dough temperature
Temperature of dough after mixing (ideal: 75–80 °F).
Yeast (% of flour)
Yeast as baker's percentage of flour weight.
Sugar (% of flour)
Sugar as baker's percentage. High sugar (>8%) retards fermentation.
Salt (% of flour)
Salt as baker's percentage (typically 1.8–2.2%).
Ambient temperature
Room temperature where dough will proof.

What each result means

Bulk ferment time
Estimated first rise / bulk fermentation time.
Final proof time
Estimated shaped-dough proof time (about 2/3 of bulk).
Optimal dough temp
Recommended desired dough temperature for consistent results.
Over-proof risk (1-3)
1 = Low, 2 = Moderate, 3 = High — based on temperature and yeast level.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Dough temperature = 78, Yeast (% of flour) = 2, Sugar (% of flour) = 5, Salt (% of flour) = 2 = 5 input(s) provided
  2. Calculate Bulk ferment time
    Bulk ferment time
    1.45 = 1.45
  3. Calculate Final proof time
    Final proof time
    0.97 = 0.97
  4. Calculate Optimal dough temp
    Optimal dough temp
    78 = 78
  5. Calculate Over-proof risk
    Over-proof risk
    1 = 1

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