What BMI helps with
BMI is a quick adult screening check that compares your weight with your height. It is useful for a fast first pass, not for diagnosing health conditions on its own.
Enter your height in centimetres and weight in kilograms to get a quick adult BMI reading using Singapore and Asian cutoffs.
Adult screening tool
Use your height and weight in metric units to get a quick adult BMI check and a healthy-weight range for your height.
Enter a positive height and weight to see your BMI, your adult category, and the healthy-weight range for your height.
Metric inputs only
BMI is a quick adult screening measure, not a direct body-fat reading. Muscle mass, pregnancy, and some medical conditions can make BMI alone less useful.
BMI is a quick adult screening check that compares your weight with your height. It is useful for a fast first pass, not for diagnosing health conditions on its own.
This calculator is built for adults using Singapore and Asian BMI cutoffs. Children, teenagers, and pregnant adults need different context and should not rely on this page alone.
A high or low BMI can be a prompt to look deeper, especially with waist size, muscle mass, and medical history. Use it as a guide, then get personalised advice when the number matters.