Standard weight
63.6kg1.4 kg above standardBroca method: 63 kgBMI Calculator & Standard Weight
Calculate BMI from height and weight, with Korean Society for the Study of Obesity cut-offs, a sex-specific standard weight, a healthy weight range, and an optional waist check.
How to use
Enter values
Pick your sex and enter height and weight.
Read BMI
Read your BMI and where it falls on the scale.
Standard weight
Check standard weight, healthy range, and optionally waist size.
When to use this
Asian cut-offs are lower than WHO’s because metabolic risk rises at a lower BMI.
Understanding the BMI on a health check-up report
Setting a target weight within the healthy range
Checking abdominal obesity with waist size
BMI table and standard weight
BMI = weight (kg) ÷ height (m)². Categories follow the Korean Society for the Study of Obesity (2022) adult guideline.
| BMI | Category |
|---|---|
| < 18.5 | Underweight |
| 18.5 – 22.9 | Normal |
| 23 – 24.9 | Pre-obese |
| 25 – 29.9 | Obesity class 1 |
| 30 – 34.9 | Obesity class 2 |
| 35+ | Obesity class 3 |
Frequently asked questions
What is a normal BMI in Korea?
18.5 to under 23. 23–24.9 is pre-obese and 25+ is obese — stricter than WHO cut-offs.
How is standard weight calculated?
A common Korean method is height(m)² × 22 for men and × 21 for women.