How To Measure Pipe Diameter. I would like to know what methods exist to precisely measure a diameter. The thickness of the pipe wall will vary depending on the pipe, so always take that into account.
Add 18 inches to the measurement. Click to see full answer. The pipe thread size as shown in column 3 of the table below is measured and based on the inside of the pipe.
This is necessary for pipe with an inside diameter of two inches or less.
The result is the combined thickness of the pipe walls on both sides of the pipe. Measure the pipe's inside diameter. The result is the combined thickness of the pipe walls on both sides of the pipe. The circumference is the distance it takes to go around the pipe once.