=A2/12 if you want a formula.

If you want to divide the values in one or more existing cells, put 12 in a
spare cell, copy it, then select your cells, and Edit/ Paste Special/
Divide. (... after which you can delete the 12 from the spare cell.)
--
David Biddulph

"Jrmy" wrote in message
...
I'm trying to format or use a formula that when i put a value in a cell to
divide by 12.