Ideal Weight Calculator
Estimate a healthy weight range from height using common formulas.
How to use this tool
- Enter height and sex.
- Optionally enter current weight for context.
- See the healthy range and formula-based estimates.
How it works
BMI range: healthy weight = BMI x height(m)² for 18.5 and 24.9. Devine and Hamwi compute from height beyond 5 ft with the standard constants.
Tips
- Frame size skews ideal-weight formulas — the BMI range stays the safest reference.
- Use the water and calorie calculators to build a plan around the range.
Limitations
Standards derived from adult populations; individual variation is significant.
Frequently asked questions
What is the formula for ideal body weight?
Devine: men 50 kg + 2.3 kg/in over 5 ft; women 45.5 kg + 2.3 kg/in over 5 ft. Hamwi and BMI-range methods are also shown.
Is ideal weight a target to hit?
It's a range to consider, not a verdict — frame, muscle and age matter.
How is the healthy range defined?
The BMI 18.5-24.9 boundaries for your height, converted to weight.