Lean mass BMR.
Ready to Calculate
Enter values on the left to see results here.
Found this tool helpful? Share it with your friends!
The Katch-McArdle Calculator provides a precise estimation of your Basal Metabolic Rate (BMR) by uniquely factoring in your lean body mass. Unlike traditional BMR formulas that rely solely on age, gender, height, and total weight, the Katch-McArdle formula is specifically designed for individuals who have an accurate understanding of their body composition. This tool is invaluable for fitness enthusiasts, athletes, and anyone committed to optimizing their caloric intake and expenditure based on their lean muscle tissue, not just total weight. By offering a more accurate BMR, it serves as a foundational component for creating highly personalized nutrition and exercise plans, ensuring your dietary goals are aligned with your actual metabolic needs for weight management or muscle gain.