7 min read
2026-03-05
BMI is a metric that helps assess the correspondence between a person's weight and height. The formula is simple: weight (kg) divided by height (m) squared.
| BMI | Category |
|---|---|
| Below 18.5 | Underweight |
| 18.5 — 24.9 | Normal weight |
| 25.0 — 29.9 | Overweight |
| 30.0 and above | Obesity |
Enter your height in centimeters
Enter your weight in kilograms
Get the result with an explanation
Use our BMI Calculator for instant calculation.
BMI does not account for muscle mass, age, or sex. Athletes may have a high BMI while having a normal body fat percentage.
See also: Calorie Calculator, Sleep Calculator