Ideal Body Weight Calculator interactive tool
Calculator
Devine formula estimates ideal body weight from height (used historically for drug dosing). It does not account for frame or muscle mass.
Result
What Is Ideal Body Weight?
An Ideal Body Weight (IBW) calculator provides a general estimate of a healthy target weight based on your biological sex and height. It is frequently used in clinical settings as a baseline measurement.
The Devine Formula
This tool utilizes the Devine Formula, originally developed in 1974 to help medical professionals determine proper medication dosages.
- For Men: 50.0 kg + 2.3 kg for each inch over 5 feet.
- For Women: 45.5 kg + 2.3 kg for each inch over 5 feet.
Important Limitations
It is crucial to understand that "ideal" is a mathematical term here, not an aesthetic or absolute health standard. The formula does not account for frame size (small, medium, or large bone structure), muscle mass, or body fat percentage. A healthy, muscular athlete will almost always weigh more than their calculated IBW. Use this number as a rough reference point, not a strict dietary goal.
How To Use the Ideal Body Weight Calculator
- Choose your preferred measurement system: metric (kilograms, centimeters) or imperial (pounds, feet/inches).
- Select your biological sex and accurately enter your height in the designated field.
- The ideal body weight calculator will instantly display your estimated ideal body weight according to the Devine formula, in both kilograms and pounds.
- Use this estimate as a health reference point, but remember it does not account for muscle mass or body composition. Consult a healthcare provider for personalized health goals.