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.
Four medical formulas
Devine, Robinson, Miller, and Hamwi compared side by side.
BMI-based range
See the healthy weight range based on BMI 18.5–24.9.
Gender-specific
Each formula uses different coefficients for men and women.
Metric & imperial
Results displayed in your preferred unit.
Calorie Calculator
Calculate daily calorie needs based on your stats and activity level
Body Fat Calculator
Estimate body fat percentage using the U.S. Navy method
BMR Calculator
Calculate your Basal Metabolic Rate with Mifflin-St Jeor and Harris-Benedict
BMI Calculator
Calculate your Body Mass Index and weight classification
Pace Calculator
Calculate running pace, time, or distance for training and races
Army Body Fat Calculator
Calculate body fat percentage using the AR 600-9 tape test method