How to calcualte true length of pipe in a threaded piping system.

How to calculate the true length of a pipe in a threaded piping system. The process of calculating the true length of a pipe in a threaded piping system. The process of calculating the true length of a pipe in a threaded piping system. The process of calculating the true length of a pipe in a threaded piping system. The process of calculating the true length of a pipe in a threaded piping system. The process of calculating the true length of a pipe in a threaded piping system.