File Size Converter
Convert bytes, KB, MB, GB, and TB.
How to use this File Size Converter
- Enter or paste the requested values in the tool.
- Select the appropriate calculation or conversion option when available.
- Click the action button to view the result and supporting details.
File Size Converter formula
Binary file-size units use 1 KB = 1,024 bytes.
This free tool provides an immediate estimate. Review the entered values and independently verify any result used for an important financial, medical, tax, or business decision.
Frequently asked questions
What does the File Size Converter do?
Convert bytes, KB, MB, GB, and TB.
Is the File Size Converter free?
Yes. This calculator is free to use and does not require an account.
Are my values stored?
No calculator values are intentionally stored in a database. Results are generated for the current request.
Can I use the file size result for official decisions?
Use the result as an estimate and verify important financial, medical, tax, or legal decisions with a qualified professional.