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megabyte (MB) → byte (B)

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Use our free online converter to convert between units instantly. Enter any value in the field above to get accurate results. No signup or download required—all conversions run in your browser. Our calculator uses standard conversion factors for reliability.

0
MB=B
1=1,048,576
2=2,097,152
4=4,194,304
8=8,388,608
16=16,777,216
32=33,554,432
64=67,108,864
128=134,217,728
256=268,435,456
512=536,870,912
1024=1,073,741,824

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Brief explanation: megabyte to byte

Byte = 8 bits. 1 KB = 1024 bytes in binary (KiB). 1 MB = 1024 KB. Some storage providers use decimal (1000 bytes = 1 KB). GB and TB are used for storage capacity. The binary system (1024) is used by operating systems. The decimal system (1000) is sometimes used by manufacturers. Our converter uses the binary standard (1024) for consistency with most software.

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Common conversion examples: megabyte to byte

Reference values for quick comparison. Use the converter above for any amount.

  • 1 megabyte=1,048,576 byte
  • 1.02e+3 megabyte=1,073,741,824 byte
  • 1.05e+6 megabyte=1,099,511,627,776 byte

About the Units

megabyte (MB)

Definition: A megabyte (MB) is 1,024 kilobytes or about 1 million bytes. It is used for medium-sized files like photos, songs, and documents.
History: The megabyte became common as file sizes grew. Early floppy disks held about 1.44 MB. Software and media file sizes are typically given in MB.
Current use: Megabytes measure photos, MP3 songs, and PDF documents. A typical photo is 2–5 MB. Mobile data plans often use MB for usage limits.

byte (B)

Definition: A byte (B) is a unit of digital information. One byte equals 8 bits and can represent 256 values (0–255). It is the fundamental unit for character encoding and data storage.
History: The byte was coined by Werner Buchholz in 1956. It became standard as the smallest addressable unit in computer memory. ASCII uses one byte per character.
Current use: Bytes measure file size, memory, and data transfer. A single character typically uses one byte. Small files and buffer sizes are measured in bytes.

Sources

Conversion factors and unit definitions follow international standards. For authoritative references, see: