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Multi-Unit Anthropometric Tool

Body Mass Index (BMI) Calculator

Calculate your Body Mass Index using any measurement unit of your choice — centimeters (cm), meters (m), feet & inches (ft/in), inches (in), kilograms (kg), pounds (lbs), stones (st), or grams (g).

Select Your Units & Values
Centimeters (cm)
Kilograms (kg)
Calculated Body Mass Index
22.9 kg/m²
Normal Weight (Healthy)
< 18.525.030.035.0
Healthy Weight Target56.7 kg – 76.3 kg (125.0 lbs – 168.2 lbs)
BMI Prime Ratio0.91 (< 1.0 = Healthy)
Clinical Assessment:Your Body Mass Index falls in the healthy clinical range recommended by medical standards.
Classification: WHO International StandardEvidence-Based

WHO International BMI Reference Standards

UnderweightBMI < 18.5 kg/m²

Increased risk of nutritional deficiency and osteoporosis.

Normal WeightBMI 18.5 – 24.9 kg/m²

Lowest statistical risk for cardiovascular diseases.

OverweightBMI 25.0 – 29.9 kg/m²

Elevated risk for hypertension, type 2 diabetes, and lipids.

ObesityBMI &ge; 30.0 kg/m²

High risk of cardiometabolic and joint conditions.

⚕️ Educational Tool Disclaimer

This tool provides general health information only. It cannot diagnose conditions or replace a visit to a healthcare professional. The results are educational and should not be considered a medical diagnosis.