🎯 Ideal Weight Calculator
Find your ideal body weight range using four established medical formulas — based on your height, age, and gender.
📋 Enter Your Details
Enter your height and tap
Calculate Ideal Weight
What Is Ideal Body Weight?
Ideal body weight (IBW) is an estimated weight range considered healthy and associated with the lowest risk of weight-related health complications for a given height and gender. It is widely used in clinical settings to calculate medication dosages, nutritional requirements, and assess general health status.
There is no single universally agreed-upon ideal weight — different medical formulas give slightly different values, which is why this calculator shows results from four established methods together.
The Four Formulas Used
| Formula | Developed By | Based On |
|---|---|---|
| Robinson (1983) | J.D. Robinson | Height above 5 ft baseline |
| Miller (1983) | D.R. Miller | Height above 5 ft baseline |
| Devine (1974) | B.J. Devine | Originally for drug dosing |
| Hamwi (1964) | G.J. Hamwi | Clinical nutrition standard |
Limitations of Ideal Weight Formulas
- These formulas do not account for body composition — a muscular person may exceed the ideal weight range while being very healthy.
- They were originally developed for clinical medication dosing, not as fitness or aesthetic targets.
- They do not consider age, ethnicity, or bone density differences.
- Use these results as a general reference range, not a precise personal target.
Remember: These are population-level estimates. Your personal healthy weight depends on many factors including muscle mass, bone density, age, and overall health. Always consult a doctor or dietitian for personalized guidance.