What is my 250GB drive real space? OS X vs Win

[ventuss]

Why does Mac OS X shows a 250GB drive as 249.42, while Windows 7 shows it as 232GB?

 

[ufkdo]

Why does Mac OS X shows a 250GB drive as 249.42, while Windows 7 shows it as 232GB?

Because OS X uses decimal system whereas windows uses binary system to calculate the capacity.

 

[ventuss]

Because OS X uses decimal system whereas windows uses binary system to calculate the capacity.

In that case every file in OS X gets bigger, interesting...

 

[ufkdo]

In that case every file in OS X gets bigger, interesting...

They are not actually getting bigger. It is just how OS calculates the values. Just because it shows more GBs does not mean it actually has more bits.

For further info, you can refer here: http://support.apple.com/kb/TS2419?viewlocale=en_US&locale=en_US