"since people have been doing wrong for years we should just let it broken until end of time and never try to fix it", sorry no, we are aiming at better than that, that issue is being worked on and not only by Ubuntu
from http://en.wikipedia.org/wiki/Binary_prefix "Since Mac OS X Snow Leopard, Apple's Mac OS X reports sizes using SI decimal prefixes (1 MB = 1,000,000 bytes).[92][93]" you can see an increasing number of softwares and hardware correctly using those units -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/1014041 Title: File size wrong calculation ubuntu 12.04 Status in “nautilus” package in Ubuntu: Invalid Bug description: i have downloaded an ISO from centos site the size is 698MB as per the site after i downloaded it it shows 730MB.. i have tested this by downloading other files to .. the file size is shown wrong ( increases ) for all the files regardless of file type . im attaching screenshots of the file sises .. so u get an idea of what im talking about .. plz not the file size in the status bar. i have noticed this in ubuntu 11.10 to OS=ubuntu 12.04 Nautilus version = 3.4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1014041/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

