What Do Ug And Mcg Mean?

posted by Sharon on 01 July 2011 at 1:46 am

What does the measurement ug stand for and is it different to mcg?

Follow-Up Messages

ug means the same as mcg

posted by Alastair (Webmaster) on 02 July 2011 at 7:50 am

Hi Sharon,

ug and mcg are both symbols for 'micrograms'. The correct symbol for microgram is actually g. However, there is no way of typing that on a keyboard, so they came up with other versions, two of which are ug and mcg.

If you wish to convert micrograms (ug or mcg) to milligrams, you can use this converter:


Best Wishes

The Calculator Site


posted by Debbie Clark on 13 February 2013 at 9:18 am

There is a way to type that u in ug correctly. Press your ALT key, keep it down and key in 0181 from your number pad and it makes .

note: this forum thread is now closed.