Re: Basic File Size Math
Re: Basic File Size Math
- Subject: Re: Basic File Size Math
- From: David Burren <email@hidden>
- Date: Tue, 16 Mar 2004 08:51:27 +1100
Jason Bracy <email@hidden> wrote:
>
>
Because there are 1024 bytes in a kilobyte and 1024 kilobytes in a
>
Megabyte. Therefore the math should be:
>
>
15,000,000b / 1024 = 14,648.44 kb / 1024 = 14.30 MB
True, but be careful with the suffixes you use!
b == bits
kb == kilobits
Mb == megabits
B == bytes
kB == kilobytes
MB == megabytes
Thus for example USB 2.0 is described as 480 Mb/s (not MB/s).
In context people can usually work out which you mean, but it can
get confusing.
Speaking of confusing, note that while computer scientists established
1024 (2^10) as the "kilo" factor a long time ago, disk and tape
manufacturers like to use 1000 instead, as it allows them to claim
larger capacities for the same media. What I would call 200 GB, they
would call 214 GB...
__
David
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