Calculate your Lean Body Mass (LBM) quickly and accurately with our free online Lean Body Mass Calculator. Ideal for fitness tracking, weight management, and body composition analysis.
Understanding your Lean Body Mass (LBM) is a crucial step in managing your fitness, setting realistic body goals, and monitoring your overall health. The Lean Body Mass Calculator from Calculator Hub HQ helps you estimate your body’s muscle, bones, organs, and water weight — everything except fat mass — using accurate formulas based on your gender, height, weight, and age.
Whether you’re a bodybuilder, athlete, or simply looking to maintain a healthy body composition, our tool provides fast, science-backed results to guide your training, diet, and progress monitoring.
By focusing on Lean Body Mass, you can better assess your physical condition, avoid misleading scale readings, and create personalized fitness strategies.
We use validated formulas like Boer, James, and Hume to provide reliable LBM estimates based on scientific research.
Lean Body Mass refers to the weight of everything in your body excluding fat — including muscles, bones, skin, organs, and fluids.
LBM gives a clearer picture of your fitness level, especially when tracking fat loss or muscle gain. Two people with the same weight can have very different LBM depending on body composition.
Yes, it’s perfect for planning bulking, cutting, or maintenance phases in your workout and nutrition program.
Our calculator uses well-established formulas from the medical field, providing high-accuracy estimates when compared to DEXA scans and caliper tests.
Absolutely! Just select your gender, and the calculator automatically adjusts the formulas for accurate results.
