| (Sub)multiple | Prefix | Symbol | Name (US and Canada) | Name (Europe) |
|---|
| (Sub)multiple | Prefix | Symbol | Name (US and Canada) | Name (Europe)† |
|---|
|
† In Britain and Ireland the names that end in "-iard" and "-iardth" are not used. Instead for example 109 is referred to as a "thousand million", though the U.S. naming is also sometimes used. |