Basic linear measurement unit and conversation

Basic linear measurement unit and conversation as shown below

10 millimetre = 1 centimetre

10 centimetre = 1 decimetre

10 decimetre = 1 metre

10 metre = 1 decametre

10 decametre = 1 hectometre 

10 hectometre = 1 kilometer

10 kilometer = 6.21 miles 

1000 micrometre = 1 millimetre

Units of conversation is used for scale your data