The numbers from one to a billion in Welsh, with English translations.
| English | Welsh |
|---|---|
| one | un |
| two | dau |
| three | tri |
| four | pedwar |
| five | pump |
| six | chwech |
| seven | saith |
| eight | wyth |
| nine | naw |
| ten | deg |
| eleven | un ar ddeg |
| twelve | deuddeg |
| thirteen | tri ar ddeg |
| fourteen | pedwar ar ddeg |
| fifteen | pymtheg |
| sixteen | un ar bymtheg |
| seventeen | dau ar bymtheg |
| eighteen | deunaw |
| nineteen | pedwar ar bymtheg |
| twenty | ugain |
| thirty | tri deg |
| forty | pedwar deg |
| fifty | hanner cant |
| sixty | chwe deg |
| seventy | saith deg |
| eighty | wyth deg |
| ninety | naw deg |
| hundred | cant |
| thousand | mil |
| million | miliwn |
| billion | biliwn |