Free Skeletal Muscle Mass Estimator
Estimate your skeletal muscle mass as a percentage of total body weight based on age and body composition.
lbs
inches
years
Skeletal Muscle Mass
34.2 kg
Skeletal Muscle Mass75.3 lbs
Muscle % of Body Weight41.8 %
Skeletal Muscle Mass vs Body Weight
Skeletal Muscle Mass Estimation
SMM (kg) = 0.244 x Weight(kg) + 7.80 x Height(m) - 0.098 x Age + 6.6 x Gender - 3.3
Gender = 1 for male, 0 for female. This calculator uses the male equation.
Typical SMM Ranges (Male)
Example Calculation
A 30-year-old male, 180 lbs, 70 inches tall.
- 01Weight = 81.6 kg, Height = 1.778 m
- 02SMM = 0.244 x 81.6 + 7.80 x 1.778 - 0.098 x 30 + 6.6 - 3.3
- 03= 19.9 + 13.9 - 2.9 + 6.6 - 3.3 = 34.2 kg
- 04As % = 34.2 / 81.6 x 100 = 41.9%
Frequently Asked Questions
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