| Value | Meaning |
|---|---|
| binary | Sizes will be formatted using the traditional _binary prefixes, e.g. 1024 bytes = 1 kilobyte = 1 KB. |
| IEC | Sizes will be formatted using the _IEC recommandations for binary prefixes equivalent of a multiple of 1024, e.g. 1024 bytes = kibibyte = 1 KiB. |
| decimal | Sizes will be formatted using _decimal prefixes, e.g. 1024 bytes = 1.024 kilobyte = 1.024 kB. |
The use of prefix when formatting long size values.