File Size Calculator
Convert file sizes between different units instantly. Enter a value and select its unit to see conversions to Bytes, KB, MB, GB, TB, and more.
Converted Values
| Unit | Value |
|---|---|
| Enter a value and click Calculate | |
Why use this tool?
File sizes are measured in different units depending on context. This tool helps you quickly convert between Bytes, Kilobytes, Megabytes, Gigabytes, Terabytes, and larger units.
- Multiple units — Support for B, KB, MB, GB, TB, PB, EB, ZB, and YB.
- Accurate conversions — Uses binary (1024-based) conversion for accurate file size calculations.
- Instant results — Get all conversions at once with a single click.
- Privacy-focused — All calculations happen in your browser. No data is stored or transmitted.
- Free and unlimited — No sign-up, no limits, no ads.
How to use
- Enter the file size value in the input field.
- Select the unit of your input value from the dropdown.
- Click Calculate to see conversions to all other units.
- Use Copy Results to copy all results, or Clear to start over.
Frequently Asked Questions
Yes, the MushTools File Size Calculator is completely free with no sign-up required. All calculations happen in your browser.
This calculator supports Bytes (B), Kilobytes (KB), Megabytes (MB), Gigabytes (GB), Terabytes (TB), Petabytes (PB), Exabytes (EB), Zettabytes (ZB), and Yottabytes (YB).
No. Everything runs client-side in your browser. Your data never leaves your device.