Find your ideal weight range using multiple scientific formulas.
This calculator estimates ideal body weight using four well-known medical formulas — Devine (1974), Robinson (1983), Miller (1983), and Hamwi (1964) — plus a healthy BMI-based range. Each formula was developed in a clinical context to guide drug dosing and health assessments.
Devine, Robinson, Miller, and Hamwi compared side by side.
See the healthy weight range based on BMI 18.5–24.9.
Each formula uses different coefficients for men and women.
Results displayed in your preferred unit.