BMIcalculator.html

<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title>BMI Calculator</title>
  </head>
  <body>
    <h1>Calculate your BMI</h1>
    <form action="/bmicalculator" method="post">
      <input type="text" name="weight" placeholder="weight in kg">
      <input type="text" name="height" placeholder="height in m">
      <button type="submit">Calculate BMI</button>
    </form>
  </body>
</html>