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BMI Calculator

Your BMI: 22.9 kg/m²

normal weight

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: 22.9 kg/m². It updates as soon as any field changes.

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

Interpretation scale

Interpretation scale
Range Description
below 16 starvation
16 – 17 emaciation
17 – 18.5 underweight
18.5 – 25 normal weight ← your result
25 – 30 overweight
30 – 35 obesity class I
35 – 40 obesity class II
40 and above obesity class III
Theory — what is the BMI index?

The BMI calculator works out the body mass index from height and weight by dividing mass in kilograms by height in metres squared. For example, a person weighing 70 kg at 175 cm has a BMI of about 22.9. According to the World Health Organization classification, a healthy weight corresponds to a BMI between 18.5 and 24.9 kg/m². The index does not distinguish muscle mass from fat tissue, so it can overstate the result for very muscular people.

Frequently asked questions

What is a healthy BMI?
According to the World Health Organization's classification, a normal body weight corresponds to a BMI of 18.5 to 24.9 kg/m². A value below 18.5 indicates underweight, and 25.0 or above indicates overweight. The range 25.0–29.9 is overweight, and obesity begins at 30.0.
How do I calculate BMI by hand?
Divide your body weight in kilograms by your height in meters squared. For 68 kg and 172 cm, the calculation looks like this: 68 / (1.72 × 1.72) = 68 / 2.9584 = 23.0. The most common mistake is entering height in centimeters instead of meters.
Is BMI reliable for people who do strength training?
No, and this is a well-known limitation. Muscle weighs more than fat at the same volume, so a person with a large amount of muscle mass can have a BMI above 30 with a body fat percentage of around 10 percent. In such a case, it's better to check waist circumference or perform a body composition measurement.
From what BMI is obesity diagnosed?
Obesity begins at a BMI of 30.0 kg/m². It's divided into three classes: class I is 30.0–34.9, class II is 35.0–39.9, and class III, known as morbid obesity, covers values of 40.0 and above. If your result is above 35, consult a doctor.

See also

Broca Formula Ideal Weight Calculator

Calculate your ideal body weight using the Broca formula based on height and sex. Learn the history of this 18

Harris-Benedict BMR Calculator

Calculate your basal metabolic rate using the Harris-Benedict equation. Enter weight, height, age and gender t

Lorentz Ideal Body Weight Calculator

Calculate ideal body weight using the Lorentz formula based on height and sex. See how it differs from the Bro

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