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How to use Bytes Humanizer

Enter a byte count to see a readable size, or type a size like '5 MB' to get the exact byte value. Switch between binary (1024) and decimal (1000) units.

Frequently asked questions

What is the difference between KB and KiB?

KB is decimal (1000 bytes) while KiB is binary (1024 bytes). Storage is often sold in KB; memory and many tools use KiB.

Why does my file show a different size?

Operating systems disagree: Windows reports binary sizes labeled as KB/MB, while drive makers use decimal, causing the familiar mismatch.

Can I convert a size back to bytes?

Yes — enter a value with a unit like '1.5 GiB' and the tool returns the exact number of bytes it represents.

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