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<html><title>Mach to MPH Speed Converter</title><body><h2>Speed Converter</h2><p>Type a value in the Mach field to convert the value to MPH:</p><p> <label>Mach</label> <input id="inputMach" type="number" placeholder="Mach" oninput="speedConverter(this.value)" onchange="speedConverter(this.value)"></p><p>MPH: <span id="outputMPH"></span></p><script>function speedConverter(valNum) { document.getElementById("outputMPH").innerHTML=valNum*761.207;}</script></body></html>