How to Find Wall Thickness of a Pipe

Intermediate 20 min 9 steps 20804 views Rating: 5.0/5 Published: 2026-03-08

Use a tape measure or ruler to measure the inside diameter of the pipe.. Measure the outside diameter of the pipe using your measuring tool.. Subtract the inside diameter from the outside diameter.

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Steps

1

Use a tape measure or ruler to measure the inside diameter of the pipe.

Step 1

Use a tape measure or ruler to measure the inside diameter of the pipe.

2

Measure the outside diameter of the pipe using your measuring tool.

Step 2

Measure the outside diameter of the pipe using your measuring tool.

3

Subtract the inside diameter from the outside diameter.

Step 3

Subtract the inside diameter from the outside diameter.

4

Divide the number you got by 2 to get the wall thickness.

Step 4

Divide the number you got by 2 to get the wall thickness.

5

Turn on the thickness gauge by pressing the power button.

Step 5

Turn on the thickness gauge by pressing the power button.

6

Press the CAL button to start calibrating the gauge.

Step 6

Press the CAL button to start calibrating the gauge.

7

Put a dime-sized bead of ultrasound couplant gel on the sensor head.

Step 7

Put a dime-sized bead of ultrasound couplant gel on the sensor head.

8

Place the sensor against the calibration chip and wait for the gauge to calibrat

Step 8

Place the sensor against the calibration chip and wait for the gauge to calibrate.

9

Hold the sensor head against a pipe to measure the wall thickness.

Step 9

Hold the sensor head against a pipe to measure the wall thickness.

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