Orifice Plate Calculator Find Orifice Size. This calculator let you calculate the orifice plate diameter based on ISO 51672:2003 standard. This standard refers to the flow measurement with area reduction instruments, for circular pipes with the section completely filled with fluid. The results are exportable in spreadsheet format.
· Volume of water in pipe calculation example. Let's see how to use the pipe volume calculator correctly. For an example calculation, we need a few assumptions. We will calculate the volume of a 6meter length pipe, with an inner diameter equal to 15 centimeters.