Katch-McArdle BMR Calculator
Result
Katch-McArdle BMR Calculator Calculate your Basal Metabolic Rate from your lean body mass using the Katch-McArdle formula. Enter your weight and body fat percentage to see your resting calorie needs and lean mass. — free online calculator.
Formula
- Katch-McArdle BMR Calculator calculates its result from Lean Body Mass In Kg, Weight, Body, Fat. It uses the formula BMR = 370 + (21.6 × Lean Body Mass in kg), Lean Body Mass = Weight × (1 − Body Fat %). Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
- The main inputs are Lean Body Mass In Kg, Weight, Body, Fat. Enter them in the units and format shown in the calculator.
- Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Katch-McArdle BMR
- Lean Body Mass In Kg: 10
- Weight: 3
- Body: 4
- Fat: 5
Using Lean Body Mass In Kg = 10, Weight = 3, Body = 4, Fat = 5, the calculated result is 2.4.
Sample result: Calculating…
Frequently asked questions
What does the Katch-McArdle BMR calculate?
Katch-McArdle BMR Calculator Calculate your Basal Metabolic Rate from your lean body mass using the Katch-McArdle formula. Enter your weight and body fat percentage to see your resting calorie needs and lean mass. — free online calculator.
Which values should I enter?
Enter Lean Body Mass In Kg, Weight, Body, Fat using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: BMR = 370 + (21.6 × Lean Body Mass in kg), Lean Body Mass = Weight × (1 − Body Fat %).
Why might my result differ from another source?
Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.