Špeciálne

Kalkulačka Katch-McArdleovho vzorca

Katch-McArdle BMR

Lean body mass (kg)

What is Katch Mc Ardle Calculator?

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Katch-McArdle formula estimates basal metabolic rate using lean body mass. It's more accurate in muscular or obese individuals.

DigiCalcs delivers precision-engineered tools for engineers and STEM professionals.

Vzorec

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f(x)First calculate lean body mass (LBM = weight × (100 - %bodyfat) / 100)

Variable Legend

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Symbol	Meno	Jednotka	Popis
LBM	weight × (100 - %bodyfat) / 100)	—	weight × (100 - %bodyfat) / 100)

How to Katch Mc Ardle Calculator

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1First calculate lean body mass (LBM = weight × (100 - %bodyfat) / 100)
2Then: BMR = 370 + (21.6 × LBM in kg)
3More accurate than weight-only formulas

Worked Examples

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Example 1

Given:80 kg, 20% body fat

Výsledok:LBM = 64 kg, BMR = 1755 kcal/day

Accounts for body composition

Frequently Asked Questions

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When is Katch-McArdle better than Harris-Benedict?

In individuals with unusual body composition: very lean athletes or obese patients.

How accurate is body fat estimation?

Accuracy varies 3-5%; bioimpedance, DEXA, or calipers best. Visual estimation inaccurate.

Common Mistakes to Avoid

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!Using inaccurate body fat estimates
!Forgetting that BMR increases with muscle mass

References

›Katch Mc Ardle — Wikipedia

📖Difficulty:Intermediate

Len na informačné účely. Tento nástroj nenahrádza odborné lekárske poradenstvo, diagnózu ani liečbu. Vždy sa poraďte s kvalifikovaným zdravotníckym odborníkom.

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Reviewed October 2026

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