Tool4SaaS

File Size Converter

Convert bytes, KB, MB, GB, TB, and PB between binary 1024 and decimal 1000 standards with precise formatting for storage planning and uploads offline.

1 KB = 1024 B · base 1024
Result

1,024 KB

1,048,576 B · 1 MB = bytes (1 × 1024^2)

Formula: bytes = value × 10242 (from), result = bytes ÷ 10241 (to)

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About the author

Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: .

Frequently asked questions

Binary uses 1024 (KiB), decimal uses 1000 (KB). Toggle to see both.

Yes, byte math with 1024/1000 bases runs locally; your numbers never leave the browser.

Yes, it is free, works offline in your browser, and your data never leaves your device.

How to use File Size Converter

  1. Enter value: Enter number and select from unit.
  2. Choose target: Select to unit and base.
  3. View: See converted result.