Calculate and Convert File Sizes
Convert between file size units and estimate media file size from bitrate and duration.
- Runs:
- In your browser (no upload)
What the File Size Calculator does
Convert between bytes, KB, MB, GB and TB, and between decimal (KB) and binary (KiB) units. Optionally estimate the size of a recording from its bitrate and duration.
Options
- Size and unit.
- Bitrate and duration (optional) to estimate a media file's size.
How to use the File Size Calculator
- 1
Enter your input in the fields above.
- 2
Adjust the options to suit your needs — the defaults work well for most files.
- 3
Click “Run File Size Calculator” to start processing.
- 4
Review the results shown below, and copy any values you need.
Frequently asked questions
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