01
Male, 5'10" (178 cm)
Set Gender to male and height to 178 cm to see Devine 73.0, Robinson 71.0, Miller 70.3 and Hamwi 75.0 kg, averaging around 72.3 kg.
Ideal Weight Calculator
CalculatorsCalculate your ideal body weight from height and gender using 4 formulas — free online.
These formulas were developed for average adult heights and give an estimate, not a strict medical target — a doctor factors in far more than height.
About
About the Ideal Weight Calculator
Estimates a healthy target weight from your height and gender using four widely cited medical formulas, shown side by side.
People setting a weight goal use it to see a range of reasonable targets rather than a single number, while healthcare students use it to compare how the classic ideal-body-weight formulas differ. It's one of many free calculators on Toolapt, and like every tool here, it's free to use with no sign-up and no limit on how many times you run it.
Examples
Ideal Weight Calculator examples
3 worked examples
02
Female, 5'4" (163 cm)
Set Gender to female and height to 163 cm to see Devine 54.7, Robinson 55.8, Miller 58.5 and Hamwi 54.3 kg, averaging around 55.8 kg.
03
Same result in pounds
With the same male, 178 cm inputs, every formula's kilogram figure is shown converted to pounds too, averaging around 159 lb.
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FAQ
Frequently asked questions
Quick answers to common questions about the Ideal Weight Calculator.
What does the Ideal Weight Calculator do?
It estimates a healthy target weight from your height and gender using four established medical formulas, shown side by side along with their average.
Is the Ideal Weight Calculator free to use?
Yes. It's free, with no sign-up, no watermark and no limit on how many times you use it.
Is my input safe when I use this tool?
Yes. Your height and gender selection are processed entirely on your own device — nothing is sent to a server.
Do I need to click a button to see a result?
No. The result updates instantly as you type your height or change gender or units — there's no Calculate button on this tool.
Why do the four formulas give different results?
Devine, Robinson, Miller and Hamwi were each developed independently, using different reference populations and assumptions, so they don't produce identical numbers — showing all four together gives a more honest range than any single formula alone.
Are these formulas medically precise targets?
No. They were developed for average adult heights and give an estimate, not a strict medical target — a doctor factors in far more than height, including frame size, muscle mass and overall health.
Can I use imperial height units like feet and inches?
Yes. Switch the units dropdown to Imperial and enter your height in feet and inches instead of centimetres.
Can I use the Ideal Weight Calculator on my phone?
Yes. The page is fully responsive and works on mobile, tablet and desktop browsers alike.