Decimal versus binary byte units, with the gap calculated

The full KB to EB ladder against KiB to EiB, with the gap at every rung and what each advertised drive size reports.

Decimal SI units against IEC binary units

Decimal unitBytesBinary unitBytesBinary larger by
Kilobyte (KB)1,000Kibibyte (KiB)1,0242.40%
Megabyte (MB)1,000,000Mebibyte (MiB)1,048,5764.86%
Gigabyte (GB)1,000,000,000Gibibyte (GiB)1,073,741,8247.37%
Terabyte (TB)1,000,000,000,000Tebibyte (TiB)1,099,511,627,7769.95%
Petabyte (PB)1,000,000,000,000,000Pebibyte (PiB)1,125,899,906,842,62412.59%
Exabyte (EB)1,000,000,000,000,000,000Exbibyte (EiB)1,152,921,504,606,846,97615.29%

What an advertised capacity looks like in binary units

Sold asBytes on the driveThe same capacity in binary unitsApparent shortfall
64 GB64,000,000,00059.60 GiB6.87%
128 GB128,000,000,000119.21 GiB6.87%
256 GB256,000,000,000238.42 GiB6.87%
500 GB500,000,000,000465.66 GiB6.87%
512 GB512,000,000,000476.84 GiB6.87%
1 TB1,000,000,000,000931.32 GiB6.87%
2 TB2,000,000,000,0001.82 TiB9.05%
4 TB4,000,000,000,0003.64 TiB9.05%
8 TB8,000,000,000,0007.28 TiB9.05%
16 TB16,000,000,000,00014.55 TiB9.05%

Decimal versus binary byte units, with the gap calculated by UnitGlide, reusable under CC BY 4.0.