Data

Bits, bytes, SI kilobytes, and IEC kibibytes — the 1,000 vs 1,024 split.

17 units

1 Megabyte = 0.9536743164 Mebibyte (exact)

Quick table

Sample conversions from Megabyte to Mebibyte
MegabyteMebibyte
0.10.09536743164
0.50.4768371582
10.9536743164
21.907348633
54.768371582
109.536743164
2523.84185791
5047.68371582
10095.36743164

How this system works

Hard-drive makers use SI prefixes (1 GB = 10⁹ bytes). Operating systems historically used binary prefixes (1 GiB = 2³⁰ bytes) while still writing “GB”. IEC names — kibibyte, mebibyte, gibibyte — exist to end that argument. Fathom keeps both families.

Base unit: bit. Megabyte is Metric; Mebibyte is IEC binary.

History and fun facts

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