Byte unit converter
Convert bytes, SI units, and IEC units in your browser. Nothing is uploaded.
SI (KB, MB) uses 1000. IEC (KiB, MiB) uses 1024.
How to use the Byte unit converter
- Enter an amount and pick the source unit.
- Click Convert.
- Copy the table. SI uses 1000; IEC (KiB, MiB) uses 1024.
Two scales
Disk vendors often print GB as 10^9 bytes. RAM and many OSes print GiB as 2^30. This page shows both so a “1.5 GB download” and a “1.5 GiB disk image” are not mixed up. Bits are bytes×8.
Nothing is uploaded
Math is local.
Byte unit converter FAQ
What about TB vs TiB?
Both rows are in the table.
File mode bits?
That is the chmod calculator, not byte sizes.