Data Size Unit Converter
Enter a value and unit to convert it into bytes and decimal (KB/MB/GB) and binary (KiB/MiB/GiB) units at once. All calculations happen inside your browser.
Enter a value.
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Bytes
KB (decimal, ×1000)-
MB (decimal)-
GB (decimal)-
TB (decimal)-
KiB (binary, ×1024)-
MiB (binary)-
GiB (binary)-
TiB (binary)-
How to use
- Enter the value to convert.
- Select the unit of the value.
- Check the results in bytes and decimal/binary units.
Frequently asked questions
What is the difference between KB and KiB?
KB is 1000 bytes (decimal) and KiB is 1024 bytes (binary). Storage devices usually use KB (1000), while operating systems usually use KiB (1024).
Why is the labeled capacity different from the actual capacity?
The difference arises because manufacturers label 1GB as 1 billion bytes (decimal), while operating systems calculate and display 1GiB as about 1.07 billion bytes (binary).
Are the entered values sent to a server?
No. All calculations happen only inside your browser, and the values are never sent to or stored on any server.