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Ideal, adjusted, and lean body weight

Devine ideal body weight, adjusted body weight, and Janmahasatian lean body weight from sex, height, and actual weight.

Sex
Height unit
cm
kg
Enter height and actual weight to see the derived weights.

Formula

  • IBW (kg): male 50 + 2.3 x (inches over 60); female 45.5 + 2.3 x (inches over 60)
  • AdjBW (kg) = IBW + 0.4 x (actual weight - IBW)
  • LBW (kg): male 9270 x TBW / (6680 + 216 x BMI); female 9270 x TBW / (8780 + 244 x BMI)

Source

  • Devine 1974; Janmahasatian 2005.

Clinical reference only. Verify independently; clinical judgment governs.