Ideal Weight Calculator — Your Healthy Weight Range
Calculate your ideal body weight range. Free online ideal weight calculator for men and women — based on height and body frame.
How to Use
- Select Metric (cm) or Imperial (inches) using the toggle at the top.
- Select your gender and adjust the height slider.
- Your ideal weight range is shown instantly using three medical formulas.
Formula
Hamwi: Men = 48 kg + 2.7 kg per inch over 5 ft | Women = 45.5 + 2.2 per inch
Devine: Men = 50 kg + 2.3 kg per inch over 5 ft | Women = 45.5 + 2.3 per inch
Miller: Men = 56.2 kg + 1.41 per inch over 5 ft | Women = 53.1 + 1.36 per inch
Example Calculation
Example: Male, 170 cm (5'7")
| Formula | Ideal Weight |
|---|---|
| Hamwi | 70.5 kg |
| Devine | 70.6 kg |
| Miller | 75.8 kg |
| Range (avg ±10%) | 67.5 – 82.5 kg |
Frequently Asked Questions
Ideal weight is the weight range associated with the best health outcomes for your height and gender. It is a range, not a single number, and varies by body frame and muscle mass.
No single formula is perfect for everyone. The Devine formula is most widely used in medical settings. The average of all formulas gives a reasonable estimate for most people.
They are similar but not identical. Healthy BMI weight for a 170 cm person is 53–72 kg (BMI 18.5–24.9). Ideal weight formulas tend to give similar ranges.
Yes. Large-framed people can have a higher ideal weight. Small-framed people may have a lower ideal weight. These formulas give a midpoint for medium frame.
Not necessarily. These are population-based averages. Athletes with high muscle mass may weigh more but be healthier. Consult your doctor for personalized advice.