Ideal Weight Calculator

Your Ideal Weight Results

Ideal Body Weight (IBW): 0 kg
In Pounds: 0 lbs
Healthy BMI Range: 0 kg - 0 kg

Description

The Ideal Weight Calculator is a free digital tool designed to estimate the optimal, healthy body weight for an individual based on their height and gender. It gives users a solid target metric to aim for when planning diets or active training regimens.

How This Calculator Works

The code of this calculator operates through a clinical algorithm consisting of two computational layers:

  • Step 1: The Devine Formula. Originally developed by Dr. B.J. Devine in 1974 for calculating pharmaceutical dosages, this formula stands as the most widely used metric in modern medicine. The script first converts your height from centimeters to inches. For men, it computes $50\text{ kg} + 2.3\text{ kg}$ for every inch over 5 feet ($60$ inches). For women, the baseline begins at $45.5\text{ kg}$, adding $2.3\text{ kg}$ for each inch over 5 feet.
  • Step 2: Healthy BMI Bounds. Beyond medical equations, the algorithm maps out the standard World Health Organization ($WHO$) healthy $BMI$ boundaries ($18.5$ to $24.9$) custom-fitted to your specific height, delivering a broader, realistic target weight buffer.

How to Use This Tool

  • Select your physical Gender from the options.
  • Enter your Height in centimeters (cm). Note: The clinical formula requires a minimum height of 152 cm (5 feet) to compute accurately.
  • Click on Calculate Ideal Weight to generate your targeted physical readouts.