Ponderal Index Calculator
Fill in the values and the answer updates as you type.
How the Ponderal Index Calculator works
Ponderal index = weight in kg ÷ height in metres cubed. It scales with height more fairly than BMI for very tall or short people. It is a screening number, not a diagnosis. Example: with the default values, ponderal index (kg/m³) comes to 13.1.
Inputs and results
The Ponderal Index Calculator takes 2 inputs and gives 3 results.
What you enter
- Weight (kg) — starts at 70.
- Height (cm) — starts at 175.
What you get
- Ponderal index (kg/m³)
- BMI for comparison
- Typical adult range
Example: Ponderal Index Calculator with the starting values
With weight 70 kg and height 175 cm, the calculator returns:
| Ponderal index (kg/m³) | 13.1 |
|---|---|
| BMI for comparison | 22.9 |
| Typical adult range | about 11 to 15 |
Change any value above and the results update straight away.
Ponderal Index Calculator FAQ
How do I use the Ponderal Index Calculator?
Enter weight and height in the fields, then read ponderal index (kg/m³), bmi for comparison and typical adult range in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.
What does the Ponderal Index Calculator calculate?
Body proportion index based on weight divided by height cubed. It returns ponderal index (kg/m³), bmi for comparison and typical adult range from the 2 values you provide.
What values does the Ponderal Index Calculator start with?
It opens with weight 70 kg and height 175 cm so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.
Is the Ponderal Index Calculator free and private?
Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.
Can I rely on the Ponderal Index Calculator for medical or health decisions?
Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm medical or health decisions with a qualified professional. See the Disclaimer for more.