Megabyte to Gigabyte Converter
Convert Megabyte to Gigabyte — free, instant, accurate. Part of Data converters.
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When to use the Megabyte to Gigabyte converter
- Storage planning — comparing drive capacities across bytes, gigabytes, and terabytes.
- Network speeds — converting bits-per-second to bytes-per-second.
- Cloud billing — matching service quotas to your data sizes.
- Software development — sizing buffers and memory allocations.
A short history of data units
Data measurement traces back to Claude Shannon’s 1948 information theory. The bit (binary digit) and byte (eight bits) became the standard units. A persistent confusion remains: SI uses powers of 1000 (kB = 1000 B), while binary prefixes (KiB = 1024 B) were standardised by IEC in 1998 to remove ambiguity. Most operating systems and storage manufacturers disagree on which to use.
Common mistakes when converting data
kB vs KiB
1 kB = 1000 B (decimal); 1 KiB = 1024 B (binary). A "1 TB" drive shows 931 GiB in Windows.
Bits vs bytes for bandwidth
A "100 Mbps" connection is 100 million bits per second — only about 12 MB/s of real throughput.
Capitalisation matters
Mb is megabit, MB is megabyte. The lowercase b means bit, uppercase B means byte.
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