How to properly measure pipe?

Question

So let say your cutting a peice of pipe comin off of a 45 and you want it to line up with another 45 later on... How long do you have to cut the pipe that will join the two 45 together (without placing the firing and eyeballing it taking a measurement). Thanks for the tips and advice!

Jeffrey · Accepted Answer

Measure the offset distance, from center line of the first pipe to the center line of where you want the new pipe, then subtract the distance from the stop in your fitting to the center line of the fitting. This assumes you are using either copper or PVC pipe and fittings.

? · Answer

I'm not sure what kind of pipe you're talking about, and I'm not sure what your installation looks like.  Your question is vague.

If I understand you correctly, you have a straight pipe section, a 45 degree elbow, and you want to add a straight section to connect to another 45 degree elbow and pipe later.  Is this correct?

If so, simply cut the straight section so that you know it will be longer than the length you need.  When you're ready to add the second 45, make a dry fit, mark and cut.  That's the easiest and most accurate method I know of.

don_sv_az · Answer

Set the two 45 deg angles in place and measure between them allowing for how far the pipe sits into the 45 deg fittings. Cut to that length.

Tommy · Answer

If you must do it your way you add the radius of pipe to the centerline length for each 45.

corey · Answer

sophisticated point. seek from yahoo or google. just that could help!

Anonymous · Answer

ok

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How to properly measure pipe?

6 Answers