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Part Per Million Converter

Part Per Million Converter

This calculator converter is dedicated to simple parts per million to percent conversions and percent to parts per million   i.e.  ppm   to  % and  % to ppm

Place the value you want to convert in  the box and then chose the conversion tab applicable to your needs
You may find this a handy tool to iindicate the accuracy of an item. A component may be said to have an accuracy of 100 PPM so in this case its value is accurate to within 100 parts in a million or 0.01%.

Note-this is a  parts-per-million calculation (ppm) 106, not parts-per-billion (ppb)  109, not parts-per-trillion (ppt) 1012 

{source}
<html>
<head>
<TITLE>ppm to percent conversion online converter</TITLE>

<meta http-equiv=”Content-Type” content=”text/html; charset=iso-8859-1″>
<style type=”text/css”>
<!–
body { margin: 0px 0px; padding: 0px 0px}

.size10pt { font-family: Arial, Helvetica, sans-serif; font-size: 10px}
.size12pt { font-family: Arial, Helvetica, sans-serif; font-size: 12px}
.size14pt { font-family: Arial, Helvetica, sans-serif; font-size: 14px}
.size16pt { font-family: Arial, Helvetica, sans-serif; font-size: 16px}
>
</style>

<script src=”Scripts/AC_RunActiveContent.js” type=”text/javascript”></script>
<script src=”Scripts/swfobject_modified.js” type=”text/javascript”></script>
<style type=”text/css”>
<!–
.style8 {color: #FFFFFF}
>
</style>
</head>

<body bgcolor=”#FFFFFF”>
<table width=”100%” border=”0″ cellspacing=”0″ cellpadding=”5″>
                    <tr>
                     <td valign=”top”><table width=”100%” border=”0″ cellspacing=”0″ cellpadding=”5″>
                         <tr>
                            <td><?php
echo “<table width=’100%’ border=’0′ cellspacing=’0′ cellpadding=’0′ height=’71’>
             <tr><td>
             <form action=’ppm_converter.html’ method=’POST’>
                <table width=’70%’ border=’0′ cellspacing=’0’cellpadding=’2′>“;
                if (@$_POST[‘convert0’] != “”)
                {
                    $PPM_value = $_POST[‘PPM’];
                    $Percent_value = $PPM_value / 10000;
                    $PPM_value = sprintf(‘%0.1f’, $PPM_value);
                    $Percent_value = sprintf(‘%0.5f’, $Percent_value);
                }
                elseif (@$_POST[‘convert1’] != “”)
                {
                    $Percent_value = $_POST[‘Percent’];
                    $PPM_value = $Percent_value * 10000;
                    $PPM_value = sprintf(‘%0.1f’, $PPM_value);
                    $Percent_value = sprintf(‘%0.5f’, $Percent_value);
                }
                else
                {
                    $PPM_value = 10000;
                    $Percent_value = 1;
                    $PPM_value = sprintf(‘%0.1f’, $PPM_value);
                    $Percent_value = sprintf(‘%0.5f’, $Percent_value);
                }
                echo “<tr>
                <td width=’70%’><b>Parts Per Million:</b></td>
                <td width=’40%’><input type=’text’ name=’PPM’ value=’$PPM_value’></td>
                <td width=’10%’><b>PPM</b></td>
                </tr>
                <tr>
                <td width=’70%’><b>Percent:</b></td>
                <td width=’40%’><input type=’text’ name=’Percent’ value=’$Percent_value’></td>
                <td width=’10%’><b>%</b></td>
                </tr>
                </table>
                <p><input type=’submit’ name=’convert0′ value=’PPM to Percent’>&nbsp;&nbsp;
                <input type=’submit’ name=’convert1′ value=’Percent to PPM’></p>
                
                
                </form>
             </td></tr>
            </table>
“;
?></td>
                         </tr>
                     </table></td>
                    </tr>
</table>
</body>
</html>
{/source}

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