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Ideal Weight Calculator

Health & Body

Devine, Robinson and Miller formulas

Quick Answer

Ideal Weight Calculator: Devine, Robinson and Miller formulas. Devine: men 50 + 2.3×(in over 5ft); women 45.5 + 2.3×(in over 5ft).

Healthy range (BMI 18.5-23.9, CN standard)

53.5 – 69.1 kg

Four-formula average: 65.9 kg

Weight zones for your height (kg)

Underweight
Healthy
Overweight
Obese

Marker at formula average (enter weight to locate)

Devine65.9 kg
Robinson65.2 kg
Miller66.0 kg
Hamwi66.7 kg

Formula comparison

FormulaIdeal weightNote
Devine65.9 kgMost cited clinically
Robinson65.2 kgDevine refinement
Miller66.0 kgTaller-friendly
Hamwi66.7 kgDietitian classic
BMI healthy range53.5-69.1 kgCN guideline 18.5-23.9

💡 These formulas were derived from Western populations and frame size is not considered — treat them as reference only. For Asians, the BMI healthy band (18.5-23.9) plus waist circumference (<90cm M / <85cm F) is more practical.

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How to Use

  1. Enter body metrics: fill height, weight, age etc. as prompted by the Ideal Weight Calculator.
  2. Read value and grade: results appear instantly with an authority-based classification.
  3. Check reference tables: confirm your range and healthy targets against the tables on this page.
  4. Back-solve your goal: adjust inputs to see what it takes to reach a target.

Key Points

  • Ideal Weight Calculator is a free online health tool — open and use, no sign-up.
  • All calculations run locally in your browser; your data never leaves the device.
  • Key capability: Devine, Robinson and Miller formulas.
  • Results come with formulas and reference tables so you can verify every number.

Formula & How It Works

Ideal weight formulas

Devine: men 50 + 2.3×(in over 5ft); women 45.5 + 2.3×(in over 5ft)
Robinson / Miller: similar adjustments per inch

FAQ

How do I use the Ideal Weight Calculator?
Open the page and fill in the input fields — results update automatically. Devine, Robinson and Miller formulas.
Are the results accurate?
Results follow published international standards (WHO, ACE, IOM) and are for reference only.
Can this replace medical advice?
No. Always consult a qualified healthcare professional for health decisions.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Does it work on mobile?
Yes. The responsive design works on all devices.

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Source & Updates

Based on WHO, ACE, IOM and other published international standards. Last updated: 2025-07

Authoritative sources:

Last updated:

Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.

Maintained and periodically reviewed by the YiJianSuan editorial team — review process in ourEditorial Policy.

Cite this page: YiJianSuan. Ideal Weight Calculator[EB/OL]. https://www.yijiansuan.com/en/c/health/ideal-weight

Results provided by this tool are for reference only and do not constitute professional advice.