IW

Ideal Weight Calculator

Health & Fitness · Free · Runs entirely in your browser

Enter height and gender — instantly find your ideal weight range using several standard formulas (Devine, Robinson, Miller).

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Details
Ideal Weight (by formula)
Devine Formula
Robinson Formula
Miller Formula
Hamwi Formula
Average estimate
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How to use — Ideal Weight Calculator

  1. Enter gender and height.
  2. Ideal weight is calculated instantly using 4 standard medical formulas — with an average shown too.

FAQ

Why do these 4 formulas give different results?

Each formula was built in a different decade using different population data — some variation is normal. Taking the average is the most balanced approach.

Does body frame (small/large) matter?

Yes — these formulas are based only on height and don't account for body frame/muscle mass. An athletic build person's "ideal" weight can exceed the formula's number, and that's completely normal.

What's the difference between BMI and ideal weight?

BMI gives a range (healthy 18.5-24.9), ideal weight calculators give a specific number. It's better to look at both together.

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