Sorry, but this page became so massive that we have had to split it

and put units starting with 'N' here...

and put units starting with 'O' here...

and put units starting with 'P' here...
.

All the information is on the other pages accessed by the jump menu below
or the menu to the right

Goto a unit starting with letter:-
a b c d e f g h i j k l m n o p q r s t u v w y

More information on the SI System (Le Système International d'Unités) base units and definitions.

last modified: 8th. September 2007