How to use the Healthy Weight Calculator
This tool gives the weight range that corresponds to a healthy BMI of 18.5 to 24.9 for your height.
Open the Healthy Weight Calculator →
What you need to enter
- Height (cm)
- Current weight (kg)
The formula
Weight = BMI × height (m)². The range uses BMI 18.5 and 24.9.
Worked example
Using the default values in the calculator:
- Height (cm): 172
- Current weight (kg): 70
| Healthy range | 54.7 – 73.7 kg |
| Current BMI | 23.7 |
Tips for better results
- Use it as a guide, not a target.
- Speak to a clinician if you are outside the range.
Common mistakes to avoid
- Ignoring muscle mass.
- Using it for children.
Please note: Health calculators and guides give general estimates, not medical advice. Talk to a doctor or other qualified professional about your own health. See our Disclaimer.