Rennet Calculator
Calculate rennet dosage by milk volume, rennet type, and target coagulation time for cheesemaking.
Inputs
Total volume of milk in liters
Animal rennet is strongest; vegetable and microbial may need higher doses
Strength of your rennet in International Milk Clotting Units per ml (check manufacturer label)
Desired time to a clean break (30-45 min is typical for most cheeses)
Temperature of the milk when adding rennet (optimal: 30-35°C)
Results
Rennet Dose
10.00 ml
Dilution Water
200 ml
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Artisan by Irora Labs
March 23, 2026
Inputs
| Milk Volume | 10 L |
| Rennet Type | animal_liquid |
| Rennet Strength | 200 IMCU/ml |
| Target Coagulation Time | 40 min |
| Milk Temperature | 32 °C |
Results
| Rennet Dose | 10.00 ml |
| Dilution Water | 200 ml |
Created with Artisan. artisan.iroralabs.com/craft-calculators/rennet-calculator
Tips
Open formula
Calculates rennet volume based on milk volume, rennet strength in IMCU, and desired coagulation time. Standard dose assumes 200 IMCU per liter.
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