I used Gparted to delete the partitions on a HDD as for some reason had used data on it however, after restarting my system it says my unallocated 4TB drive is only 3.64TB.


3.64 TiB is 4 TB.

The drive is 4 TB big, i.e 4*1000^4 bytes. This is the same as 3.63798*1024^4 bytes, or approximately 3.64 TiB.

Disk manufacturers use GB and TB (metric) when writing their sizes. Many software applications, including gparted, use GiB and TiB (binary) instead, due to tradition.


  • Ah so I'm just stupid and didn't notice TiB, thanks. – Da google Mar 10 at 23:12

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