convert data units

https://atomic-wiki.win/index.php/Understanding_the_Byte_to_Kilobyte_Conversion:_A_Practical_Guide_for_Data_Storage

When you need to switch between bytes, kilobytes, megabytes, and gigabytes, converting data units can be tricky because of the difference between base-10 and base-2 measurements. I often use a quick online tool to avoid mistakes, like when figuring out whether a file size will fit on a USB drive or comparing storage options.