Ideal Weight Calculator
Gives a healthy weight range for your height.
Your result
Estimate only. Results update as you type.
How this calculator works
Healthy range = BMI 18.5 to 24.9 × height (m)². The Devine formula adds 2.3 kg per inch over five feet.
Worth knowing
A healthy weight range is a guide, not a target. Body shape and muscle mass vary.
Guides for this calculator
- How the Ideal Weight Calculator Works (With a Worked Example)
- Getting the Most From a Ideal Weight Calculator: Tips and Common Errors
Questions
- Are these calculators medical advice?
- No. They provide general information. See your GP or visit healthdirect.gov.au for personal advice.
- Do they work for children?
- No. Adult formulas are used throughout. Children’s growth is assessed differently.
- Where do the formulas come from?
- Each calculator page names the formula used, such as Mifflin-St Jeor for BMR or the US Navy method for body fat.
This calculator gives general estimates using published Australian rates and formulas. It doesn’t consider your personal circumstances. Check current figures with the ATO, your state government or a qualified professional before making decisions. See our disclaimer.