Bandwidth calculating javascript function

This script function will help you to calculate bandwidth in terms of Kilobyte or Megabyte or Gigabyte.


  • The javascript function will return bandwidth in KB/MB/GB after rounding it to six decimal places.
  • You have to pass two arguments bytes and type to convert (KB or MB or GB).
  • It returns 0 on passing wrong arguments.
  • Just copy the code in to your page and use it.


Bandwith conversion from byte value :

Enter the byte value and test it
[ e.g: 1024 or 1048576 ]


<!-- Script by -->
<script type="text/javascript">

function bandwidth(bytees,type)
var value = bytees;
var res;
if(type == "KB")
value = Math.round((bytees/1024)*1000000)/1000000;
res = value+" KB";
if(type == "MB")
value = Math.round((bytees/[Math.pow(1024,2)])*1000000)/1000000;
res = value+" MB";
if(type == "GB")
value = Math.round((bytees/[Math.pow(1024,3)])*1000000)/1000000;
res = value+" GB";
return res;
return "Error";
} }
function tests(aaa,ty) { var ss = bandwidth(aaa,ty); alert(ss); return false; } </script>
<!-- Script by -->

  • Release Date - 02-03-2005
  • Get free version without ©copyright link for just $10/-
  • For customization of this script or any script development, mail to


  • He we have explained with a form
  • Creating the form using following HTML code
  •   <form name="test" onSubmit="return tests(test.mailf.value,test.sel.value)">
    <input name=mailf type=text>
    <select name=sel>
    <option value="KB">KB</option>
    <option value="MB">MB</option>
    <option value="GB">GB</option>
    <input type=submit value=result>
  • The javascript function tests() is triggered on submission of the form.
  • Just copy the javascript code and use it for free.


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