Data storage and transfer rate converter
Bit, byte, KB/KiB, MB/MiB, GB/GiB, TB/TiB, and transfer rates (Mbit/s, MB/s), decimal (SI) and binary (IEC) clearly distinguished.
Result
0.931 323 GiB
- Formula
- 1 GB = 0.931 322 574 6 GiB
Calculation, assumptions and sources
OverviewA data quantity (capacity, file size) or a transfer rate, converted between decimal prefixes (kB, MB, GB..., base 1000) and binary prefixes (KiB, MiB, GiB..., base 1024).
A data quantity (capacity, file size) or a transfer rate, converted between decimal prefixes (kB, MB, GB..., base 1000) and binary prefixes (KiB, MiB, GiB..., base 1024).
Method & formulas1 kB = 1,000 bytes (decimal, SI)
Kilo, mega, giga, tera (k, M, G, T) denote powers of 1000, used by storage manufacturers and networks. Kibi, mebi, gibi, tebi (Ki, Mi, Gi, Ti) denote powers of 1024, introduced by the IEC to remove the ambiguity of the names KB, MB, GB.
- bit (b)
- the smallest unit of information, a binary value of 0 or 1.
- byte (B)
- 8 bits, the usual unit for measuring files and memory.
- Data quantity
- a total volume (file size, storage capacity).
- Transfer rate
- the quantity of data transferred per second (e.g. Mbit/s, MB/s).
Validity domainThe conversion between units is exact; throughput losses (protocol overhead, shared bandwidth, latency) and the usable capacity of a device (formatting, reserved sectors) are not taken into account.
The conversion between units is exact; throughput losses (protocol overhead, shared bandwidth, latency) and the usable capacity of a device (formatting, reserved sectors) are not taken into account. "KB", "MB", "GB" appear only as common usage, ambiguous between decimal and binary.
Advertised and displayed capacityManufacturers advertise capacity with decimal prefixes (1 TB = 1,000,000,000,000 bytes, the legal definition of the "tera" prefix).
Manufacturers advertise capacity with decimal prefixes (1 TB = 1,000,000,000,000 bytes, the legal definition of the "tera" prefix). Many operating systems count in base 1024 and display "GB" for gibibytes (GiB): a 1 TB drive shows as about 931 GiB.
Mbit/s and MB/sInternet access plans advertise a rate in megabits per second (Mbit/s), file-transfer software displays megabytes per second (MB/s).
Internet access plans advertise a rate in megabits per second (Mbit/s), file-transfer software displays megabytes per second (MB/s). Since a byte is 8 bits, 100 Mbit/s corresponds to a theoretical maximum of 12.5 MB/s.