Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Medicine
BMI & Body Fat Calculator
Calculate your BMI and estimated body fat percentage using your weight, height, age, and gender. Use it to screen for underweight, overweight, or obesity and understand your health risk category.
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 & Body Fat Calculator | Ideal Body Weight Calculator | |
|---|---|---|
| Category | Medicine | Medicine |
| Inputs required | 2 | 2 |
| Result | BMI | Ideal Body Weight (kg) |
| What it does | Calculate your BMI and estimated body fat percentage using your weight, height, age, and gender. Use it to screen for underweight, overweight, or obesity and understand your health risk category. | 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. |