Convert from toise to micron

Unit Definition (toise)
A linear measure used by the French in the old regime. A toise is equal to 76.71 English inches, 6.39 English feet or 1.9490 meters.

Unit Definition (micron)
A unit of length. One Micron = 39 millionths of an inch (.000039"). Contaminant size is usually described in microns. Relatively speaking, a grain of salt is about 60 microns and the eye can see particles to about 40 microns. Many hydraulic filters are required to be efficient in capturing a substantial percentage of contaminant particles as small as 5 microns. A micron is also known as a micrometre, and exhibited as µm.