Is my data sent to a server?

No. All calculations run locally in your browser. No personal data is ever transmitted.

BMI Calculator

Enter height and weight to instantly calculate your BMI. Displays weight category and health risk based on Asian standards. Supports metric (kg, cm) and imperial (lbs, ft/in).

Quick answers before you start

These short answers explain the tool clearly for both visitors and search engines before interaction begins.

Q. Which BMI standard does this calculator use?

A. The Asian BMI standard (WHO Asia-Pacific guidelines): 18.5–22.9 is normal, 23+ is overweight — thresholds are lower than the Western standard.

Q. Is BMI accurate for everyone?

A. BMI is not suitable for pregnant women, professional athletes, children, or the elderly. For those groups, additional body composition assessments are recommended. Consult a healthcare professional if in doubt.

Unit System

Weight (kg)

Height (cm)

Enter height and weight to calculate BMI

Asian BMI Classification

BMI Range	Category	Health Risk
< 18.5	Underweight	Risk of malnutrition
18.5 – 24.0	Normal	Healthy range
24 – 27.0	Overweight	Increased metabolic risk
27 – 30.0	Mild Obesity	Higher chronic disease risk
30 – 35.0	Moderate Obesity	High health risk
≥ 35	Severe Obesity	Very high health risk

BMI is a screening tool only and is not applicable to pregnant women, athletes, children, or the elderly. Consult a healthcare professional for personalized health advice.