Re: [LUG] calculating filesystem sizes (slightly off topic)

[Paul Sutton <zen14920@xxxxxxxxx>]

Thanks for that,  I guess I am used to thinking in terms of 1kb = 1024 
bytes when it comes to IT related technologies,  I guess most normal 
canera users would not even notice, or even question the numbers.

it's still lots more than the 128mb card that came with the camera which 
is important,  lots of pics at max resolution, :-)

paul
Grant Sewell wrote:

> On Wed, 03 Aug 2005 10:23:39 +0000
> Paul Sutton wrote:
>
>  
>
> > Hi
> >
> > I am trying to work out how my digital camera displays a
> > 512 MB sd card with size of 478 MB after formatting
> >
> > this gives a difference of 34 MB,  I know there are differences, in 
> > actual size and formatted size just can't remember how things are 
> > calculated, can anyone help please. 
> >
> > thanks
> >
> > Paul
> >    
>
> It is, in fact, going to be part-and-parcel of both Jeremy and James' replies.
>
> 512 decimal megabytes = 512000000 bytes.
> 512000000 bytes = 488.28125 binary/computer megabytes.
> The difference between 488.28125 and your reported 478 will be down to the 
> filesystem overheads (FAT16/32) used on the device.
>
> Grant.
>
>  


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