Question

Write the rules that are followed in writing the symbols of units in SI system.

Answer 1

1.  The units named after scientists are not written with a capital initial letter.
   E.g., newton, henry, ampere, and watt.
2. The symbols of the units named after scientists should be written with the initial capital letter.
   E.g., N for newton, H for henry, A for ampere, and W for watt.
3. Small letters are used as symbols for units not derived from a proper noun.
   E.g., “m” for meter, “kg” for kilogram.
4.  No full stop or other punctuation marks should be used within or at the end of symbols.
   E.g. 50 m and not as 50 m.
5.  The symbols of the units are not expressed in plural form.
   E.g., 10 kg, not as kgs.