2 Imperial Micrometers

Below is a 10-minute video on how to use, calibrate and read imperial micrometers. A short 5-question quiz is below the video. Click on “Start Quiz” to begin. You can take the quiz as many times as you like and have the option to check each answer immediately or review the results at the end. Micrometers (mics) are one of the most common measuring tools in a machine shop. It is commonly used on lathes to measure round pieces but can also be used for measuring the thickness,  and outside dimensions of various components with a high degree of accuracy and precision.

For additional practice and resources, a PowerPoint presentation with practice questions is under Additional Measurement Resources.