<form name="converter"> <input type="text" value="0.0" name="mps"> Meters Per Second <br /><br /> <input type="button" value="Convert" onclick="javascript:calc()"> <input type="reset" value="reset" onclick="javascript:calc()"> <br /><br /> <input type="text" value="0.0" name="mph"> Miles Per Hour </form> <script language="javascript"> //MPS to MPH converter script //Visit http://javascriptkit.com for this script //calculate function function calc(){ //variables var meterspersecond = document.converter.mps.value var calculated = Math.round(meterspersecond * 3600 / 1610.3*1000)/1000 //write in text box document.converter.mph.value=calculated } </script> <p>This free script provided by<br /> <a href="http://javascriptkit.com">JavaScript Kit</a></p>