On Thu, Sep 03, 2015 at 01:34:54PM -0700, Dave Scotese via bitcoin-dev wrote:
> I have seen "1M" mean 1,000,000 bytes as well as 1,048,576bytes and
> 1,024,000 bytes.  I believe the best policy is to use "megabyte" to mean
> 2^20 (1,048,576) bytes.  Kb always means 1024 bytes, even when a lot people
> round it, so I like the K spec best.  I also see value in having human
> readable data.  The spec should nail down these details.

The IEC standard is to use the prefix MiB for 2^20 bytes:

https://en.wikipedia.org/wiki/Binary_prefix

-- 
'peter'[:-1]@petertodd.org
000000000000000010f9e95aff6454fedb9d0a4b92a4108e9449c507936f9f18