How detect the size of an original CD

[umbilical]

hi, is possible detect the size (mb's) of an original CD, I mean by example I have a CD of 55min of music, so the space in the CD is 550mb (command+i) but how know the capacity of the CD, 650mb... 700mb... or every original CD are made for fit for with the music, in that example 550mb ?

thanks

 

[old-wiz]

Audio CDs originally came in 650 mb, then later 700 mb.

When the CDs are burned, the disk is "finalized" and it will say no space is available since the CD has been finalized and you can no longer write to it.

They don't make CDs or DVDs of a specific size; all are capable of 650/700.

 

[umbilical]

Audio CDs originally came in 650 mb, then later 700 mb.

When the CDs are burned, the disk is "finalized" and it will say no space is available since the CD has been finalized and you can no longer write to it.

They don't make CDs or DVDs of a specific size; all are capable of 650/700.

yeap, 650/700 but is possible know if is 650 or 700?
sounds stupid and unneccesary but I need know for a project that Im doing