How should you measure pipe for layout purposes?

Measuring pipe for layout purposes is critical in ensuring that installations are accurate and fit correctly within the plumbing system. The most reliable way to measure is from the center of the fitting. This method accounts for the actual location where the pipe will connect to the fitting, facilitating precise cuts and ensuring that the joints align perfectly.

When measuring from the center of the fitting, it allows for consistent and repeatable results no matter what type of fitting is being used, whether it's a tee, elbow, or coupling. This method takes into account the dimensional allowances that may be specific to the fitting type, helping to minimize errors during installation. This is particularly important in complex plumbing layouts where fittings are frequently used and accurate measurements can significantly affect the overall system's performance and integrity.

While there may be other methods for measuring, such as from the ends or nearest fitting, those approaches can lead to inconsistencies and potential installation errors. By standardizing measurements to the center of the fitting, plumbers can achieve better outcomes in their work.