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BMI Calculator

Calculate body mass index and see the healthy weight range.

Your BMI
22.5
Category
Normal
Healthy weight range for your height: 53.5 - 72.0 kg
Private & SecureRuns in your browser — nothing is uploaded
Easy to UseJust paste or type — instant results
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BMI is a quick way to see roughly where your weight sits for your height, the same number doctors use as a first screen. Enter your height and weight and get your BMI plus the healthy-weight range for your height, worked out in your browser.

170cm 65kg22.5Healthy
Height + weight → BMI

How to use: BMI Calculator

  1. 1Enter inputChoose metric (cm/kg) or imperial (ft-in/lb) units.
  2. 2Set optionsEnter your height.
  3. 3ProcessEnter your weight.
  4. 4Get resultClick Calculate to see your BMI value, category and healthy weight range.

Common use cases

Quick health checkSee at a glance whether your weight is in the range usually called healthy for your height.
Set a target weightRead the weight range that lands in the healthy band so you have a realistic goal.
Track over timeRecompute after a few weeks to see which way your BMI is moving.
Metric or imperialEnter centimetres and kilograms, or feet, inches and pounds, whichever you think in.

Good to know

It is a screen, not a diagnosisBMI is a rough population measure. It cannot see body composition or health on its own, so treat it as one signal, not a verdict.
Muscle reads as weightBMI counts all weight the same, so very muscular people can land in overweight without excess fat. Judge it alongside how you actually are.
Not the same for everyoneThe usual ranges are built for adults; children, pregnancy, older age and some ethnic backgrounds use different cut-offs. See a professional for those.
Pair it with other measuresWaist size and how your clothes fit add context that a single number misses.

Frequently Asked Questions