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  3. Ideal Weight Calculator

Ideal Weight Calculator: Guide

Calculate your ideal weight based on height and frame

  • What is Ideal Weight?
  • Formulas
  • Tips
  • How to Use
  • Real-World Applications
  • FAQs

What is Ideal Weight?

Healthy weight range based on height, age, gender, and frame size.

The Ideal Weight Calculator helps you perform fast, accurate calculations based on your inputs.

It is designed for practical decision-making with clear and actionable outputs.

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Formulas

Robinson, Miller, Devine, and Hamwi formulas

Results are computed using standard formulas tied to the selected calculator type and inputs.

Any input update recalculates the results instantly.

Tips

  • Ideal weight is a guide, not strict
  • Consider body composition beyond scale
  • Focus on Find your healthy weight range using Robinson.
  • Focus on Miller.
  • Focus on Devine.
  • Focus on and Hamwi medical formulas.

How to Use

  • Enter the required values in these fields:
  • - Gender
  • - Height
  • - Frame Size
  • Review the instant output and compare scenarios before finalizing your decision.

Real-World Applications

This calculator supports multiple use cases as shown in the table below.

TypeDescription
All FormulasCompare Robinson, Miller, Devine, Hamwi
Robinson FormulaRobinson (1983) ideal weight
Devine FormulaDevine (1974) ideal weight

FAQs

Are the results accurate?

Yes, results are computed using standard formulas based on the inputs provided.

Why does a small input change affect the output significantly?

Some formulas are sensitive to inputs, so even small changes can produce noticeable output differences.

Formula: Average of 4 classical IBW formulas

170 cm male → IBW avg ~68 kg

cm
kg
yrs
wks

Average IBW (4 Formulas)

66.0 kg

+14.0 kg from ideal

Hamwi

66.9 kg

Devine

65.9 kg

Robinson

65.2 kg

Miller

66.0 kg

Days to Goal (0.5 kg/wk)

196 days

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