Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Medicine
BMI Calculator
Instantly compute your Body Mass Index from weight and height to screen which WHO weight category you fall in. Returns a single kg/mΒ² number classified as underweight, normal, overweight, or obese.
Fill in the required fields to see your result.
Medicine
Ideal Body Weight Calculator
Estimate ideal body weight in kg from height using the Devine formula, returning a single reference weight for a given sex. Use it as a baseline for medication dosing or clinical assessment, not as a personal weight target.
Fill in the required fields to see your result.
Key differences
| BMI Calculator | Ideal Body Weight Calculator | |
|---|---|---|
| Category | Medicine | Medicine |
| Inputs required | 2 | 2 |
| Result | Your BMI | Ideal Body Weight (kg) |
| What it does | Instantly compute your Body Mass Index from weight and height to screen which WHO weight category you fall in. Returns a single kg/mΒ² number classified as underweight, normal, overweight, or obese. | Estimate ideal body weight in kg from height using the Devine formula, returning a single reference weight for a given sex. Use it as a baseline for medication dosing or clinical assessment, not as a personal weight target. |