File Size Converter — Bytes, KB, MB, GB, TB
Enter a byte count or a file size and see every unit at once, which is what you actually need when a form limit and an operating system disagree.
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Nothing you enter here is sent anywhere. There is no file and no request to our server - the work is done in your browser and disappears when you close the page.
How It Works
- Enter — Fill in the values the tool asks for.
- Run — Press the button; an empty field is reported by name rather than read as zero.
- Read — The answer comes with the working behind it, so you can check the figure.
- Take it — Copy the result, or download it where the tool offers that.
Frequently Asked Questions
Is 1 KB 1000 or 1024 bytes?
Both conventions exist, so both are shown. The IEC names (KiB, MiB, GiB) mean 1024-based; manufacturers use KB/MB/GB for 1000-based. The result table labels each one.