Muscle Mass Calculator
Quickly estimate your lean muscle mass with our free online tool, ideal for fitness tracking and health monitoring.

Check It Yourself
About This Tool
Our Muscle Mass Calculator is a user-friendly online tool designed to help fitness enthusiasts, athletes, and health professionals accurately estimate lean muscle mass based on simple personal measurements. By inputting data like weight, height, gender, age, and body fat percentage, the calculator applies scientifically supported formulas to provide quick, reliable results.
This tool promotes better understanding of muscle development, helps track progress over time, and assists in customizing training or nutrition plans. Whether you're a personal trainer assessing client progress or an individual monitoring your fitness journey, the calculator offers instant feedback and easy-to-understand output. With a clean interface, responsive design, and optional features like data sharing or exporting, users can seamlessly integrate the tool into their fitness routines or health assessments.
Designed with simplicity and accuracy in mind, the calculator operates entirely client-side, ensuring privacy and fast performance. It is suitable for users worldwide, with potential for future localization in multiple languages. Improve your health and fitness insights today with this precise, accessible muscle mass estimation tool.
How to Use
1. Enter your body weight in kilograms or pounds.
2. Input your height in centimeters/inches.
3. Select your gender.
4. Enter your age.
5. Input your body fat percentage (optional but recommended).
6. View your estimated lean muscle mass instantly below the form.
7. Use additional options to switch units or export results if needed.

FAQs/Additional Resources
Find Quick Answers
What is lean muscle mass, and why is it important?
How accurate is this muscle mass calculator?
Can I use this tool for athletes or bodybuilders?
Is the calculation suitable for all ages?
Does this tool store my data?
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