+Health calculator

Ideal Weight Calculator

A healthy weight estimate from height.

Enter sex and height and get ideal weight (kg) and ideal weight (lb) instantly.

InSexInHeightOutIdeal weight (kg)OutIdeal weight (lb)
2 inputs2 resultsFree no signupPrivate in your browser

Ideal Weight Calculator

Fill in the values and the answer updates as you type.

Live
1 Your numbers
cm
2 Your result

How the Ideal Weight Calculator works

Devine formula: 50 kg (men) or 45.5 kg (women) plus 2.3 kg per inch above 5 feet.

Inputs and results

The Ideal Weight Calculator takes 2 inputs and gives 2 results.

What you enter

  • Sex — starts at male. Choose from: male and female.
  • Height (cm) — starts at 170.

What you get

  • Ideal weight (kg)
  • Ideal weight (lb)

Example: Ideal Weight Calculator with the starting values

With sex male and height 170 cm, the calculator returns:

Example results
Ideal weight (kg)65.9
Ideal weight (lb)145.4

Change any value above and the results update straight away.

Ideal Weight Calculator FAQ

How do I use the Ideal Weight Calculator?

Enter sex and height in the fields, then read ideal weight (kg) and ideal weight (lb) in the result panel. The answer updates as you type, and you can press Calculate or Enter to refresh it. Use “Copy link” to share your exact numbers with someone else.

What does the Ideal Weight Calculator calculate?

A healthy weight estimate from height. It returns ideal weight (kg) and ideal weight (lb) from the 2 values you provide.

What values does the Ideal Weight Calculator start with?

It opens with sex male and height 170 cm so you can see a working result straight away. Replace them with your own numbers, or press Reset to return to these starting values.

Is the Ideal Weight Calculator free and private?

Yes. It is free, needs no account, and runs in your browser, so nothing you type is sent to or stored on our servers. See the Privacy Policy for details.

Can I rely on the Ideal Weight Calculator for medical or health decisions?

Treat the result as a well-rounded estimate. Real situations often have details a general calculator cannot know, so confirm medical or health decisions with a qualified professional. See the Disclaimer for more.