Body Metrics

BMI and body composition

Calculate your body mass index, waist-to-hip ratio, waist-to-height ratio, and ideal weight range. Reference ranges follow the World Health Organization.

Measurements

All measurements in centimeters and kilograms. Hip circumference is optional but required for waist-to-hip ratio.

Weight*

Height*

Circumferences

Waist is measured at the level of the navel. Hip is measured at the widest point of the buttocks.

Waist circumference*

Hip circumference

Sex

Used for waist-to-hip ratio thresholds, which differ by sex.

Male Female

Your inputs stay in your browser. Nothing is sent.

About these metrics

Body mass index (BMI) is a screening tool, not a diagnostic. It correlates with body fat but does not distinguish muscle from fat.

Waist measurements indicate central adiposity, which is more closely linked to Type 2 diabetes risk than total body weight.

You will get

Body mass index with WHO category
Waist-to-hip ratio
Waist-to-height ratio
Ideal weight range for your height

Sources

WHO Technical Report 894 (2000). WHO Expert Consultation (2008).

Full reference