How many threads per inch does a 1/2" pipe have?

The correct answer indicates that a 1/2" pipe typically has 14 threads per inch. This measurement is based on the Unified National Plumbing (UNP) standard for piping threads. For pipes, the 1/2" designation refers to the nominal pipe size, which corresponds to a specific thread count established for standardization in plumbing and piping systems.

Understanding the thread count is crucial for ensuring that fittings and connections are compatible and secure, preventing leaks and maintaining the integrity of the plumbing system. In this case, the 14 threads per inch specification applies to most nominal sizes of pipe and is commonly used in residential and commercial plumbing.