Protein Calculator for Muscle Gain Posted by Calculator Study March 31, 2025 Protein Calculator for Muscle Gain | Fitness Tools Muscle Gain Protein Calculator Weight (kg) Activity Level Moderate Exercise Active Lifestyle Intense Training Calculate Clear Calculation Formula The protein calculator uses the scientific formula: Weight (kg) × Activity Factor (1.6-2.2 g/kg). Protein Calculator Post navigation Previous Post Calculate protein needsNext PostProtein to build muscle calculator