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Ideal Body Weight from Height and Sex Calculator

Devine and Hamwi ideal body weight formulas.

Calculates ideal body weight using Devine formula: male = 50 + 2.3×(inches over 5 ft); female = 45.5 + 2.3×(inches over 5 ft). Also shows BMI at IBW.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

cm

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

IBW_M = 50 + 2.3×H_in; IBW_F = 45.5 + 2.3×H_in

In depth

Calculates ideal body weight using Devine formula: male = 50 + 2.3×(inches over 5 ft); female = 45.5 + 2.3×(inches over 5 ft). Also shows BMI at IBW.