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Basal metabolic rate calculator (Harris-Benedict)

Basal metabolic rate (BMR): 1 668 kcal/day

This result is for information only. Historical formulas do not replace an individual assessment by a doctor or dietitian.

What do these numbers mean?
  • Result for the settings above: 1 668 kcal/day. It updates as soon as any field changes.
  • We compute it from the formula shown below — not from a prediction model and not from draw history.

These are historical data. Each draw is independent of previous draws, so these numbers do not tell us what will be drawn next.

How do I use this page?
  1. Fill in the fields in the form above — the result recomputes at once, with no page reload.
  2. Under the result you will find the interpretation scale, if the calculator has one: it says which range your value fell into.
  3. The formula we use is shown lower on this page — you can check the arithmetic yourself.
  4. To compute the same for another game or variant, change it in the select field — prices and pools update automatically.

Further reading

Formula

men: 66.47 + 13.75 × weight + 5 × height − 6.75 × age women: 655.1 + 9.563 × weight + 1.85 × height − 4.676 × age
Weight in kg, height in cm, age in years. The result is BMR — resting energy, without the physical activity factor.
Theory — what is the Harris-Benedict equation?

The Harris-Benedict equation is the oldest widely used method for estimating basal metabolic rate, published in 1919 from calorimetric measurements taken on 239 people. The calculator computes BMR from body weight, height, age and gender, using a formula that differs for men and women. For men it reads BMR = 66.47 + 13.75 × weight (kg) + 5 × height (cm) − 6.75 × age (years). The result shows the calories needed for basic life functions at rest, excluding physical activity.

Frequently asked questions

What is the Harris-Benedict formula?
For men: BMR = 66.47 + 13.75 × weight (kg) + 5 × height (cm) − 6.75 × age (years). For women: BMR = 655.1 + 9.563 × weight + 1.85 × height − 4.676 × age. A woman weighing 60 kg, 165 cm tall and 30 years old has a BMR of around 1388 kcal.
Is the Harris-Benedict formula still relevant today?
It is still used, but it is no longer the first choice. It was created in 1919 based on a sample of 239 people and overestimates the result in people with overweight, by 5 to 15 percent according to some studies. Today the Mifflin-St Jeor equation from 1990 is used more often.
What does the BMR result mean?
BMR is the number of kilocalories the body burns in a day at complete rest. It is not your daily energy requirement — it's a minimum value that must be multiplied by an activity factor between 1.2 and 1.9 to get your actual daily needs.
Why is the formula different for women and men?
At the same weight and height, men on average have a higher proportion of muscle tissue, and muscle burns more energy at rest than fat tissue. That's why the coefficients for weight and height are higher in the male version.

See also

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