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Data Storage Unit Converter

Convert bits, bytes, KB, MB, GB, TB and IEC (KiB, MiB, GiB, TiB) units. Free instant data storage converter.

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Tip: results update as you type. Press Enter to swap units.

All units

UnitValueCopy
Bitb8000000000
ByteB1000000000
Kilobyte (KB, SI)KB1000000
Megabyte (MB, SI)MB1000
Gigabyte (GB, SI)GB1
Terabyte (TB, SI)TB0.001
Petabyte (PB, SI)PB1.000000e-6
Kibibyte (KiB, IEC)KiB976562.5
Mebibyte (MiB, IEC)MiB953.67432
Gibibyte (GiB, IEC)GiB0.93132257
Tebibyte (TiB, IEC)TiB0.0009094947

Frequently asked questions

Is 1 GB equal to 1000 MB or 1024 MB?

In the SI system 1 GB = 1,000 MB. In the IEC binary system, 1 GiB = 1,024 MiB. Hard drives are sold in SI; operating systems often report in IEC.

Why does my 1 TB drive show 931 GB?

Manufacturers measure 1 TB as 1,000,000,000,000 bytes. Operating systems show that as ~931 GiB (binary).