Precision diameter tapes or also known as Pi tapes are frequently used in quality labs when a technician needs to find the diameter of an object based on the circumference. Using the formula for Pi or 3.14… the graduations on these tapes act as a vernier scale enabling the user to find the diameter based on the circumference.

J.A. King offers NIST traceable diameter tapes calibration in our dimensional laboratories. Similar to steel rules and other types of tape measures, master gage block standards are used which allow us to provide NIST traceable certifications. Our laboratories are capable of measuring pi tapes up to 144″ based on the available standards and conditions.

If you would like more information about calibration of diameter tapes or new equipment, click the button below to get a quote!

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