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Result Size: 625 x 565
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<!DOCTYPE html>
<html>
<title>Mach to KPH Speed Converter</title>
<body>
​
<h2>Speed Converter</h2>
<p>Type a value in the Mach field to convert the value to KPH:</p>
​
<p>
  <label>Mach</label>
  <input id="inputMach" type="number" placeholder="Mach" oninput="speedConverter(this.value)" onchange="speedConverter(this.value)">
</p>
<p>KPH: <span id="outputKPH"></span></p>
​
<script>
function speedConverter(valNum) {
  document.getElementById("outputKPH").innerHTML=valNum*1225.044;
}
</script>
​
</body>
​
​
​
</html>
​
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