File Size Calculator

Convert between file size units and estimate transfer times at different connection speeds.

Size Converter

Transfer Time Estimator

Based on your file size above, here's how long it would take to transfer:

* Estimated times assume consistent speed. Actual times vary based on network conditions, server load, and other factors.

Quick Reference

Common File Sizes

  • High-res photo (RAW) 25-50 MB
  • MP3 song (5 min) 5-10 MB
  • 1080p video (1 min) 150-300 MB
  • 4K video (1 min) 300-500 MB
  • Photoshop file (complex) 100-500 MB
  • Video game 20-100 GB

Size Conversions

  • 1 KB 1,024 bytes
  • 1 MB 1,024 KB
  • 1 GB 1,024 MB
  • 1 TB 1,024 GB

Note: Using binary (1024) not decimal (1000) units.

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