ABSI Calculator
A Body Shape Index (ABSI) combines your waist circumference, weight and height into a single body-shape number that complements BMI. Enter three simple measurements and get your BMI and ABSI instantly, in your browser.
How to use
- Measure your waist at the navel and enter it in centimetres.
- Enter your weight and height.
- Your BMI and ABSI appear instantly.
Note
ABSI = waist (m) divided by (BMI to the power 2/3 times height (m) to the power 1/2). It is presented as a shape metric only, not a risk score. Estimate only — not medical advice.
Frequently Asked Questions (FAQ)
What is ABSI?
A Body Shape Index combines waist circumference, BMI and height into a single body shape metric.
How is ABSI calculated?
ABSI equals waist in metres divided by BMI to the power two thirds times height in metres to the power one half.
Is ABSI a health risk score?
No. It is presented as a shape metric only, not a risk score, and it is an estimate, not medical advice.
Is the ABSI calculator free?
Yes, it is free with instant results and no signup.