BMI Calculator for Men
Calculate body mass index for men with the WHO category, healthy weight range for your height, BMI Prime, ponderal index, waist-to-height ratio and an estimated body fat percentage using the male formula. Example: a man 5 ft 10 in (70 in) and 180 lb has a BMI of 25.8, in the overweight range, with an estimated body fat near 23%.
Show steps
How to use the BMI Calculator for Men
- Enter the values in the fields.
- Press Calculate to see the result with the steps shown.
Formula and method
BMI = kg / m^2, or 703 x lb / in^2. Estimated body fat for men (Deurenberg) = 1.20 x BMI + 0.23 x age – 16.2. Waist-to-height ratio = waist / height.
WHO BMI categories for adult men
| BMI | Category |
|---|---|
| Below 18.5 | Underweight |
| 18.5 to 24.9 | Normal weight |
| 25.0 to 29.9 | Overweight |
| 30.0 to 34.9 | Obesity class I |
| 35.0 to 39.9 | Obesity class II |
| 40.0 and above | Obesity class III |
Healthy weight range for men by height
| Height | Healthy weight (lb) | Healthy weight (kg) |
|---|---|---|
| 5 ft 5 in | 111 to 150 | 50 to 68 |
| 5 ft 8 in | 122 to 164 | 55 to 74 |
| 5 ft 10 in | 129 to 174 | 58 to 79 |
| 6 ft 0 in | 136 to 184 | 62 to 83 |
| 6 ft 3 in | 148 to 199 | 67 to 90 |
Why BMI reads differently for muscular men
BMI treats all weight the same, so a lean, muscular man can show as overweight. Body fat percentage and waist-to-height ratio are better checks if you lift or play a strength sport.
What to do with your result
A BMI outside the healthy range is a prompt to look at diet, activity, sleep and blood pressure, not a verdict. Discuss persistent concerns with a healthcare professional.
Frequently asked questions
What is a healthy BMI for a man?
18.5 to 24.9.
Is the BMI formula different for men?
No, but body fat estimates differ because men carry less fat at the same BMI.
Is BMI accurate for bodybuilders?
No. Muscle raises weight without raising fat.
What waist size is healthy for men?
A waist under half your height is a common target, and under 40 inches (102 cm) is the usual cutoff.
How do I calculate my BMI?
Divide weight in kilograms by height in meters squared.
What is BMI Prime?
BMI divided by 25; values under 1.0 are within the normal range.
Sources
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