ToolsElectronics, cables & data
Data size & data rate units
Convert bits, bytes, kB, KiB, MB, MiB, GB, GiB and data rates.
Storage size
Data rate
Decimal prefixes (kB, MB, GB) step by 1000; binary prefixes (KiB, MiB, GiB) by 1024. Drive makers use decimal, many operating systems show binary values.
How it works
Storage and streaming figures mix decimal and binary prefixes and bits and bytes. A '1 TB' drive holds about 931 GiB.
Formulas
- 1 byte = 8 bit
- 1 kB = 1000 B, 1 KiB = 1024 B
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