Converter Tool

Data Size Converter

Convert between Bytes, KB, MB, GB, and TB using base-2 (1024) units. 100% client-side — no data is sent to any server.

MB: Megabyte (1,048,576 bytes)| GB: Gigabyte (1,073,741,824 bytes)

⚡ Quick Reference (Base-2)

1 KB = 1024 B
1 MB = 1024 KB
1 GB = 1024 MB
1 TB = 1024 GB
1 MB = 1,048,576 B
1 GB = 1,073,741,824 B

🔒 All processing happens in your browser. No data is sent to any server.

How to use this Data Size Converter

Converting data sizes is simple with our free online tool. Enter the value you want to convert, select the From unit (Bytes, KB, MB, GB, or TB), and choose the To unit.

The conversion happens automatically using base-2 (1024) units, which is the standard for computer memory and file sizes. You can also load common file sizes with a single click or copy the result to your clipboard.

What this data size converter does

  • Five data unitsConvert between Bytes, KB, MB, GB, and TB.
  • Base-2 conversionUses standard binary (1024) conversion for accuracy.
  • Common file sizesQuickly load common file size examples.
  • Swap unitsEasily swap between From and To units.
  • Copy resultCopy the converted value with one click.
  • 100% client-sideAll processing happens in your browser. No data is sent to servers.

Common use cases

  • Convert file sizes when working with computer storage and memory
  • Calculate storage requirements for backup and archiving
  • Convert data sizes for cloud storage and file sharing
  • Understand file sizes for download and upload times
  • Calculate capacity for hard drives and SSDs
  • Convert data sizes for software development and system administration

💾 Data Size Reference

Small Files
  • Text file: ~10 KB
  • Word doc: ~100 KB
  • Image: ~2-5 MB
Large Files
  • MP3 song: ~3-5 MB
  • Movie (SD): ~1 GB
  • Movie (HD): ~5 GB

Frequently Asked Questions