BMI Calculator

For adults aged 20 and over, outside pregnancy.

What mode will you use?

Height
Your BMI is:
kg/m²

Enter height and weight

Complete both measurements with valid values to see the BMI and category.

Standard BMI categories

CategoryBMI (kg/m²)
Underweight<18.5
Normal range18.5–<25
Overweight25–<30
Obesity class 130–<35
Obesity class 235–<40
Obesity class 3≥40

Kenya MoH 2017CDCNICENHS

Sources cross checked on .

For professional education and decision support. Follow local clinical protocol.Privacy statement