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Metalworking & PipeReference — Not a Buildable Spec

Pipe Fitting Math: Elbow Center-to-End and 45-Degree Offsets

How to calculate a pipe cut length through an elbow or around an offset, with a worked example.

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Every multiplier and the worked example were recomputed and check out. The factors work in millimetres with NPS as the nominal size in inches; in inches, a 90 degree long-radius elbow center-to-end is 1.5 x NPS.

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