Health

BMI Calculator

Calculate body mass index from metric or imperial height and weight inputs.

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Focused calculator

Calculate BMI Calculator

BMI 22.86 70 kg and 1.75 m is healthy

Formula

Formula: Metric BMI = kg / m². Imperial BMI = 703 x pounds / inches².

Common examples

InputResult
70 kg, 1.75 mBMI 22.86
180 lb, 70 inBMI 25.82
60 kg, 1.65 mBMI 22.04

JSON API example

Use the public JSON endpoint with these query parameters.

  • weight70
  • height1.75
  • unitmetric
GET https://api.convematik.com/bmi?weight=70&height=1.75&unit=metric

{
  "weight": 70,
  "height": 1.75,
  "unit": "metric",
  "bmi": 22.86,
  "category": "healthy"
}

Common questions

What does the BMI Calculator do?

Calculate body mass index from metric or imperial height and weight inputs.

Is the calculation available through the API?

Yes. The same calculation is exposed by the Convematik API for programmatic use.

Can I use it without signing in?

Yes. The public calculator is free and does not require an account.