About this tool
Estimate your ideal body weight from your height and sex using four classic formulas — Devine, Robinson, Miller and Hamwi — plus the healthy weight range for your height based on BMI. Everything is computed in your browser.
Frequently asked questions
Why are there four different formulas?
Each formula was derived from a different study, so they give slightly different numbers. Showing all four gives you a sensible range rather than a single point.
Should I aim for exactly these numbers?
No — ideal weight formulas ignore body composition and frame size. Use the values and the healthy BMI range as a rough guide, not a strict target.