File Size Converter

Convert between bytes, KB, MB, GB, TB, and more in SI (decimal, powers of 1000) or IEC (binary, powers of 1024) notation.

Converted values

Click any row to copy

Exact bytes: 1,000,000 B

SI vs IEC: Hard drives are labeled in SI (1 GB = 1,000,000,000 bytes). Operating systems typically use IEC (1 GiB = 1,073,741,824 bytes), which is why a “1 GB” drive shows as ~0.93 GB in Windows or Linux.

FAQ

Is File Size Converter free to use?

Yes, File Size Converter is completely free to use on UtilityCove.

Does File Size Converter upload my data?

No. File Size Converter runs in your browser, so your input stays on your device.

Can I use File Size Converter on mobile?

Yes. File Size Converter works on modern mobile and desktop browsers.

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