Ideal body weight

Calculate your the ideal body weight (IBW) with the Devine formula.

Description

Estimate ideal body weight with the Devine or Hamwi formula.

Ideal Body Weight Calculator: Estimate ideal body weight with the Devine or Hamwi formula.

When to use Ideal Body Weight

Use this equation as a rough reference weight derived from height and the selected population formula, not as an individual health target.

Height (cm)
Required number input.
Sex
Required string input.
Formula
Required string input.

How Ideal Body Weight works

Estimate ideal body weight with the Devine or Hamwi formula. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.1

Ideal body weight (kg)
The resulting ideal body weight returned as a number.

Limitations and assumptions

  • Ideal-weight formulas are historical population heuristics and do not measure body composition, health, fitness, frame size, age effects, disability, pregnancy, or individual clinical needs.
  • Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Alternative or Complementary approaches

Interpret the estimate alongside BMI, waist measures, body composition, medical history, and professional guidance rather than pursuing the number in isolation.

References

  1. Human body weight — Wikipedia contributors

  2. Ideal body weight - Wikipedia

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