Cunningham & Katch-McArdle BMR Calculator (Lean Mass-Based Metabolic Rate)
Calculate your true Basal Metabolic Rate (BMR in kcal) with superior athletic accuracy using the Cunningham and Katch-McArdle formulas, which calculate daily calorie expenditure directly from Fat-Free Mass (Lean Body Mass - LBM).
Cunningham Basal Metabolic Rate (BMR in kcal)
Calculator Inputs
Cunningham Basal Metabolic Rate (BMR in kcal)
Calculated Lean Body Mass (LBM in kg)
Estimated Daily Expenditure (Moderate Exercise TDEE)
Fat Mass
Cunningham BMR vs Total Daily Energy Expenditure (TDEE in kcal)
The gold-standard sports nutrition metabolic formula for resistance-trained athletes and individuals with measured body composition.
This tool is a mathematical wellness and fitness estimation model for general educational guidance only. The results do not constitute medical diagnosis, clinical advice, or treatment plans. Always consult a qualified physician or certified dietitian before starting any dietary regimen, exercise program, or making health decisions.
Calculation Methodology
Cunningham Formula: BMR (kcal/day) = 500 + (22 * Lean Body Mass in kg). Katch-McArdle Formula: BMR = 370 + (21.6 * Lean Body Mass in kg).
Frequently Asked Questions
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