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Digital data calculator

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Bit, byte, kilobyte, megabyte, gigabyte, and terabyte conversion tool.
Bits
Bytes
Kilobytes
Megabytes
Gigabytes
Terabytes




  • 1 Byte = 8 Bits
  • 1 Kilobyte = 8,192 Bits
  • 1 Megabyte = 8,388,608 Bits
  • 1 Gigabyte = 8,589,934,592 Bits
  • 1 Terabyte = 8,796,093,022,208 Bits
What are a bit and a byte?
A bit is the smallest unit of information (0 or 1). A byte equals 8 bits and is the basic unit used to measure data size.
What’s the difference between bits and bytes?
A bit is the smallest unit (0 or 1). A byte equals 8 bits and is more commonly used for file sizes and data amounts.
Why is 1 kilobyte 1024 bytes, not 1000?
Computers use binary units, so each step is 2^10 = 1024. Marketing sometimes rounds to 1000.
How do I convert quickly between units?
Moving right (B → KB → MB) multiply by 1024. Moving left divide by 1024. For bits/bytes use factor 8.
When is this useful?
For estimating file sizes, transfer speeds, storage limits, and internet plans.

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