How does the Harris Benedict Calculator work?

Males: BMR = 88.362 + (13.397 × weight) + (4.799 × height) - (5.677 × age) Then: Females: BMR = 447.593 + (9.247 × weight) + (3.098 × height) - (4.330 × age) Then: Weight in kg, height in cm, age in years.

Can you give an example of how to use the Harris Benedict Calculator?

Example: Input Male, 80 kg, 180 cm, 40 years old gives a result of BMR ≈ 1790 kcal/day (Basal energy only).

Is the Harris Benedict Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Harris Benedict Calculator?

Our Harris Benedict Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Harris Benedict Calculator

Harris-Benedict BMR (Revised)

Gender (1=M, 0=F)

Weight (kg)

Height (cm)

Age (years)

Harris-Benedict equation estimates basal metabolic rate from age, sex, weight, and height. It's a foundation for caloric needs calculation.

Symbol	Name	Unit	Description
BMR	447	—	447

Difficulty:beginner

References

›Harris Benedict — Wikipedia

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Harris Benedict Calculator

Harris-Benedict BMR (Revised)

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