Digital · Units

Data Size Converter

Convert bytes through terabytes with a SI vs IEC (binary) toggle.

  • Bytes (B)1000000
  • Kilobytes (KB)1000
  • Megabytes (MB)1
  • Gigabytes (GB)0.001
  • Terabytes (TB)0.000001

How to use

  1. Choose SI (KB/MB) or IEC (KiB/MiB).
  2. Enter a size and source unit.
  3. Copy the converted value you need.

Features

  • SI and IEC modes
  • Bytes through terabytes
  • Runs in your browser. Nothing is uploaded to ToolsWeb servers.

Privacy & how it works

This unit converter runs in your browser. Values you enter are not uploaded to ToolsWeb servers for this tool. Privacy Policy.

FAQ

Why is 1 GB sometimes 1000 MB and sometimes 1024 MB?expand_more

Storage vendors often use SI (1000). Operating systems often use IEC binary (1024). Toggle the mode to match your context.

Is this calculator free?expand_more

Yes. No signup required.

Are my numbers uploaded?expand_more

No. Calculations run in your browser. Inputs are not sent to ToolsWeb servers for this tool.

Is this professional advice?expand_more

No. Results are estimates for general information. See our Disclaimer for health, finance, and related tools.

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