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Crude Protein Calculator
Calculate crude protein percentage from total nitrogen content
Formula: $\text{Crude Protein (\%)} = \text{Nitrogen (\%)} \times \text{Conversion Factor}$
The standard general factor is 6.25, but specific foods use specialized factors (e.g., Milk = 6.38, Wheat = 5.70).
The standard general factor is 6.25, but specific foods use specialized factors (e.g., Milk = 6.38, Wheat = 5.70).
Analysis Parameters
Calculation Results
⚠️ Crude protein measurement via the Kjeldahl method measures total organic and inorganic nitrogen, meaning it includes non-protein nitrogen (NPN) such as urea or nucleic acids. It estimates protein content rather than measuring true intact proteins directly.