Ideal Weight Calculator — Free Multiple Formula Tool

Free ideal weight calculator using 4 formulas (Devine, Robinson, Miller, Hamwi) with BMI-based healthy range. 100% client-side. 100% serverless.

🔒 100% Private
Completely Free
🌐 Runs in Browser
📦 Export Ready

Ideal Weight Calculator — Free Multiple Formula Tool

Tool Workspace

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  1. Select Gender — Male or female.
  2. Enter Height — In centimeters.
  3. Calculate — See ideal weight from 4 formulas plus BMI range.

Ideal Weight Calculator — Multiple Formulas

The Ideal Weight Calculator uses four established medical formulas to estimate your ideal body weight. It also shows the healthy weight range based on BMI 18.5-24.9.

The Four Formulas

  • Devine (1974) — Most widely used in clinical settings, originally for drug dosage.
  • Robinson (1983) — Modified Devine formula with revised coefficients.
  • Miller (1983) — Tends to give slightly higher estimates.
  • Hamwi (1964) — One of the earliest ideal weight formulas.

Features

  • 4 Formulas — Compare multiple estimates side by side.
  • Average — Balanced estimate from all formulas.
  • BMI Range — Healthy weight range for your height.
  • Gender-Specific — Different formulas for men and women.

Privacy

All calculations run in your browser.

Frequently Asked Questions

What formulas are used?

Four established formulas: Devine (1974), Robinson (1983), Miller (1983), and Hamwi (1964). Each provides a slightly different estimate.

Which formula is best?

The Devine formula is most widely used in clinical settings. The average of all four provides a good balanced estimate.

What is the BMI range?

The healthy BMI range (18.5-24.9) is converted to weight for your height, showing the full healthy weight spectrum.

Is my data uploaded?

No. All calculations run 100% in your browser.