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Ideal Weight Calculator

Compare historical height-based weight formulas and see their range in kilograms or pounds.

Your measurements

These published equations use sex-specific constants.
In imperial mode, enter total inches (for example 69).

Your measurements stay in this browser. Results are informational estimates, not medical advice.

Estimated result
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Enter measurements to compare formulas
✓ Browser-only calculation ✓ Clear assumptions ✓ Input validation ✓ Informational estimate

How to use the Ideal Weight Calculator

Enter the requested values and review the calculation as a planning estimate.

1

Enter your details

Enter sex, preferred unit system and height.

2

Review the calculation

Review the range produced by the four height-based formulas.

3

Interpret with context

Treat the values as historical comparisons, not a medically ideal target.

Frequently Asked Questions

Which ideal-weight formulas are included?

This calculator provides an informational estimate based on the values and method you select.

Why does the calculator show a range?

The result uses the displayed calculation method and updates when you change the inputs.

Does ideal weight define a healthy weight?

Individual circumstances and measurement differences can affect how the estimate should be interpreted.

Do the formulas use sex-specific constants?

Use the result as a planning reference rather than a diagnosis, prescription, or guarantee.

Can I enter height in feet and inches?

Choose the unit that matches your measurement wherever a unit selector is available.

Can I use this to set a weight-loss target?

For the most useful comparison, enter recent measurements and use consistent input units.

Is this calculator appropriate for children?

Seek advice from an appropriately qualified professional for personal medical, nutrition, or training decisions.