ℹ️ Preview calculator: calculation logic is still being verified. Output may not reflect realistic engineering values. Details

Krausen Estimator

Estimate fermenter headspace needed for krausen

Three-dimensional space occupied (L × W × H for boxes).
gallons
Enter the original gravity value for this calculation.
SG
Enter the yeast vigor (1=low, 2=medium, 3=high) value for this calculation.

Results

Expected Krausen Height:
Calculated expected krausen height based on your inputs.
-inches
Headspace Needed:
Calculated headspace needed based on your inputs.
-gallons
Minimum Fermenter Size:
Recommended size based on calculations.
-gallons
Reference: Industry Standards.