Ponderal Index Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter weight (kg) and height (m).
- Read the ponderal index.
How it works
Ponderal index = weight ÷ height³ (kg/m³).
Worked example
80 kg, 1.8 m. ≈ 13.72 kg/m³.
Common mistakes
- Confusing it with BMI (which uses height squared).
- Mixing units — use kilograms and metres.
Frequently asked questions
How is it better than BMI?
Because it cubes height, it's more consistent for very tall or short people. It's a guide, not medical advice.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.