Weight
lb
Height
ft
in
Sex
male
Basal Metabolic Rate
kcal/
day
Lean Body Mass
lb

Katch-McArdle Calculator

By Mateusz Mucha and James Mathison

This Katch-McArdle calculator is another tool that can help you keep healthy and fit. The Katch-McArdle formula allows you to calculate your Basal Metabolic Weight, (BMR), which is the minimum amount of calories your body needs per day to keep functioning, assuming you were to do no exercise fir that day. This equation differs from the Harris-Benedict equation because it takes into account lean body mass.

What is the Katch-McArdle calculator?

Katch-McArdle calculator is a quick and easy tool that enables you to calculate your BMR (basal metabolic rate). A basal metabolic rate is the amount of energy used by an individual at rest over a 24 hour day.

You may also want to check out the Mifflin St Jeor equation.

What is the Katch-McArdle formula?

To apply the Katch-McArdle formula you need these two factors: Basal Metabolic Rate and Lean Body Mass.

  • BMR = 370 + (21.6 x Lean Body Mass(kg) )
  • Lean Body Mass = (Weight(kg) x (100-(Body Fat)))/100

The Katch-McArdle calculator then finds your ideal weight. With this number, thanks to the Katch-McArdle formula, you're able to control and adapt a perfect diet.

You may also be interested in our LBM calculator (lean body mass calculator).

Mateusz Mucha and James Mathison

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Katch-McArdle Calculator