What are the BMI categories?

Under 18.5: Underweight. 18.5–24.9: Healthy weight. 25.0–29.9: Overweight. 30.0 and above: Obese. These are the categories defined by the World Health Organization (WHO).

Is BMI an accurate measure of health?

BMI is a screening tool, not a diagnostic measurement. It does not account for muscle mass, bone density, age, or fat distribution. Athletes often have high BMIs due to muscle. Always consult a healthcare provider for a complete health assessment.

Is BMI the same for adults and children?

No. Child and teen BMI (age 2–19) is interpreted using age- and sex-specific percentile charts, not fixed cutoffs, because body composition changes significantly during growth.

집 도구BMI Calculator

BMI 계산기

Name: BMI 계산기
Rating: 4.8 (120 reviews)
Author: DailyDevTools

체질량 지수(BMI) 계산

무게 (kg)

키 (cm)

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What is BMI Calculator?

Body Mass Index (BMI) is a measurement calculated from height and weight that provides a rough indicator of body composition and is used by healthcare providers to screen for weight-related health risks. DailyDevTools' BMI Calculator instantly computes your BMI from metric (kg/cm) or imperial (lbs/ft) measurements and displays your BMI category: underweight, healthy weight, overweight, or obese.

How to use BMI Calculator

1Select your unit system: metric (kg and cm) or imperial (lbs and feet/inches)
2Enter your height and weight
3Your BMI is calculated instantly and displayed alongside your BMI category
4Review the BMI scale chart to see where your value falls relative to the standard ranges

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