THE 0.01 mm METRIC MICROMETER:

One division on the thimble equals 1/50 0.5 mm = 0.01 mm READING A METRIC MICROMETER: Observe the number of 1 mm divisions on the upper barrel scale and multiply this by 1 mm. (17 1 mm = 17 mm) On the lower barrel scale, observe the number of lines beyond (greater than) the upper scale line (0 or 1). ................
................