Basal Metabolic Rate Calculator

Calculate your BMR using multiple formulas including Harris-Benedict, Mifflin-St Jeor, and Katch-McArdle equations.

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Important Health Disclaimer

This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.

For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.

Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.

Not a substitute for professional medical advice

Your Details

years
kg
cm

Recommended BMR (Mifflin-St Jeor)

1618 cal

Daily calories burned at rest

๐Ÿ“ŠHarris-Benedict (Original)
1677 cal
๐Ÿ“ˆHarris-Benedict (Revised)
1672 cal
๐Ÿ’ชKatch-McArdle
1655 cal
โš–๏ธLean Body Mass
59.5 kg

Which Formula to Use?

Mifflin-St Jeor is most accurate for the general population. Katch-McArdle is better if you know your body fat percentage, especially for athletes.

Daily Calories by Activity Level

Activity LevelDescriptionDaily Calories
SedentaryLittle or no exercise, desk job1941 cal
LightLight exercise 1-3 days/week2224 cal
ModerateModerate exercise 3-5 days/week2507 cal
ActiveHard exercise 6-7 days/week2790 cal
Very ActiveVery hard exercise, physical job3073 cal
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sources

  • โ€ขWorld Health Organization (WHO) โ€” Global health metrics, disease classification, and nutritional standards. who.int
  • โ€ขCenters for Disease Control and Prevention (CDC) โ€” Health statistics, BMI guidelines, and disease prevention data. cdc.gov
  • โ€ขNational Institutes of Health (NIH) โ€” Medical research, clinical guidelines, and health calculators. nih.gov
  • โ€ขMayo Clinic โ€” Clinical health information, disease reference, and wellness guidance. mayoclinic.org

For a complete list of all references used across the site, visit our full sources page.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: WHO Health Metrics Standards

by World Health Organization

รฐลธโ€โ€žLast reviewed: May 2026
รขล“โ€œFormula checks are based on standard references and internal QA review.