Ideal Body Weight from Your Height

“Ideal weight” is not a precise scientific figure but a range that several classic formulas estimate. This tool puts the four common ones side by side so you can see how much they disagree: Devine (originally built for drug dosing), Robinson, Miller and Hamwi. All four start from a base at 152.4 centimeters (five feet) and add a fixed amount per additional 2.54 centimeters. A spread of a few kilograms between them is normal. These formulas ignore muscle mass, age and build, so they are not suitable for athletes or for very tall and very short people, and they do not replace medical advice.

This tool runs entirely in your browser. No data is sent to any server.

How to use it

1. 1

   Choose your sex.

2. 2

   Enter height in centimeters (at least 100).

3. 3

   Compare the four results and treat the middle of the range as your target.

Frequently asked questions

Why do I get four different answers?

Each formula was derived from a different population and uses a different per-centimeter increment. A two-to-five-kilogram spread is normal; look at the range, not one number.

Is this accurate for athletes?

No. These formulas ignore muscle mass and understate weight for strength athletes. Body-fat percentage is a better measure for them.

How does this relate to BMI?

Both start from height, but BMI gives a healthy range (18.5 to 25) while these formulas give a single average. Look at both for the full picture.