Data Size Converter

Convert bytes, KB, MB, GB, and TB using binary units.

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Frequently asked questions

What is the difference between KB and KiB?

KB, MB, GB and TB use steps of 1,000. KiB, MiB, GiB and TiB use steps of 1,024. One byte is eight bits. Select explicit input and output units to compare them.

Why does a drive display a different size?

1 TB is 1,000 GB or about 931.32 GiB. Decimal and binary reporting conventions use different units. Calculations run in your browser.

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