Simple Resting Metabolism Calculator
Advanced Resting Metabolism Calculator
Lean Body Mass Calculator
Resting Metabolism
(Lean Mass Formula)
Weight lbs
Lean Mass

Resting Metabolism calories per day
Lean Mass lbs     (%)
Fat Mass lbs     (%)

All calculators are made available as self-help tools for your independent use with results based on information provided by the user. All examples are hypothetical and are for illustrative purposes only. Calculated results are believed to be accurate but results are not guaranteed. Exercise, Fitness, Health, and Weight Loss calculators are not for providing medical advice and should not be used as a substitute for advice from a medical professional. Users are advised to check with a physician before undertaking any strenuous exercise or diet plan.
Help Window
Clear (Use your browser's 'Refresh' or 'Reset' to restore default values.)
Print Ready Format
Show Calculation Formulas
Related Calculators
Show Additional Fields
Hide Additional Fields
A title for these calculator results that will help you identify it if you have printed out several versions of the calculator.
Choose US or Metric units.
Your current scale weight.
Resting Metabolism (RMR) (also known as Basal Metabolism or BMR) is the minimum calories your body needs each day just to perform its most basic functions.
The portion of your weight that is lean (not fat).
The approximate percentage of your body's mass that is lean (not fat).
The portion of your weight that is fat.
The approximate percentage of your body's mass that is made up of fat.