What is the Devine formula?

Developed by Dr. BJ Devine in 1974, the Devine formula is the most widely used medical equation for calculating ideal body weight for medication dosing.

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Ideal Weight Calculator

Compare your ideal target body weight across 4 medical formulas (Devine, Robinson, Miller, and Hamwi) and standard WHO healthy BMI ranges.

Last updated August 2, 2026

How to use Ideal Weight Calculator

1Select Metric (cm) or Imperial (ft/in) height units.
2Select biological gender and enter height.
3Instantly compare ideal weight outputs across Devine, Robinson, Miller, and Hamwi formulas.

Why use this tool

Compares 4 established medical equations.
Includes healthy WHO BMI target weight ranges.
Supports both Metric and Imperial measurements.

Use cases

Fitness & Goal Setting

Establish evidence-based body weight targets for personal fitness plans.

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Ideal Weight Calculator

How to use Ideal Weight Calculator

Why use this tool

Use cases

Frequently asked questions

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