Crude Protein Calculator (Kjeldahl Nitrogen Method)

Crude Protein Calculator (Kjeldahl Nitrogen Method) CalculatorScale.com

Input Parameters

Instant Real-time Calculation

Total Kjeldahl Nitrogen (% N)

Nitrogen Conversion Factor (F: 6.25 standard, 5.70 wheat, 6.38 dairy)

Result Chemistry

Crude Protein Percentage

-- % CP

Export calculation:

Calculation Logic:

The classic Kjeldahl and Dumas methods assume food proteins average approximately 16% nitrogen by mass (100 / 16 = 6.25), converting quantified elemental nitrogen into estimated crude protein.