Calculate the volume
HTML
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<table>
<tbody>
<tr>
<td>Width</td>
<td><input type="text" id="width"/></td>
</tr>
<tr>
<td>Length</td>
<td><input type="text" id="length"/></td>
</tr>
<tr>
<td>Depth</td>
<td><input type="text" id="depth" oninput=getvalues(this.value)/></td>
</tr>
</tbody>
</table>
JavaScript
function getvalues(w,l,d){
//Find the width in mm
var width = widthVal
//Find the length in mm
var length = lengthVal
//Find the depth in mm
var depth = depthVal
//Find the total volume in mm
var volumeInMillimeters = length * depth * width;
//try to convert it back to meters
var volume = volumeInMillimeters;
alert(volumeInMillimeters);
alert(volume);
});