CNC Threading will calculate the values to be used when machined thread.

Try testing in trial version: CNC Threading trial

You can calculate the following threads.
Metric thread(M)
Unified thread(UN)
Pipe tapered thread(PT, R)
Pipe straight thread(PF, G)
National Pipe tapered thread(NPT)

You can use the following features:
You can calculate each element of the thread.
You can calculate the coordinates for the contour cutting.
You can calculate the cutting pass for the thread.
You can generate NC_code: G76, G92
You can convert the unit between mm and inch.

Thank you.