Health & fitness

Ideal weight calculator

Your ideal weight according to classic medical formulas, compared with the BMI range.

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Copy this code and paste it into your page (WordPress, Wix, Webflow, HTML…). It's free: please keep the link to HOD Calc.

How it works

Lorentz: H − 100 − (H − 150)/4 (men) or /2.5 (women). Devine: 50 (or 45.5) + 2.3 × (inches over 5 feet). These are guides, not targets to hit at all costs.

Results are for guidance only and do not replace professional advice.

Worked example

With the default values:

  • Height (cm)175
  • SexMale

you get:

  • Ideal weight (Lorentz)68.8 kg
  • Devine70.5 kg
  • Robinson68.9 kg
  • Normal BMI range (18.5 – 25)56.7 – 76.6 kg

Frequently asked questions

How does the “Ideal weight calculator” tool work?

Lorentz: H − 100 − (H − 150)/4 (men) or /2.5 (women). Devine: 50 (or 45.5) + 2.3 × (inches over 5 feet). These are guides, not targets to hit at all costs.

What do I need to enter?

Just fill in: height, sex. The result updates as you type.

Can you give an example?

Height (cm): 175; Sex: Male → Ideal weight (Lorentz): 68.8 kg; Devine: 70.5 kg.

Is this calculator free, and is my data private?

Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.