Cardinal and Ordinal Numbers Chart
A Cardinal Number is a number that says how many of something there are, such as one, two, three, four, five.
An Ordinal Number is a number that tells the position of something in a list, such as 1st, 2nd, 3rd, 4th, 5th etc.
Most ordinal numbers end in "th" except when the final word is:
- one → first (1st)
- two → second (2nd)
- three → third (3rd)
| Cardinal | Ordinal | |||
| 1 | One | 1st | First | |
| 2 | Two | 2nd | Second | |
| 3 | Three | 3rd | Third | |
| 4 | Four | 4th | Fourth | |
| 5 | Five | 5th | Fifth | |
| 6 | Six | 6th | Sixth | |
| 7 | Seven | 7th | Seventh | |
| 8 | Eight | 8th | Eighth | |
| 9 | Nine | 9th | Ninth | |
| 10 | Ten | 10th | Tenth | |
| 11 | Eleven | 11th | Eleventh | |
| 12 | Twelve | 12th | Twelfth | |
| 13 | Thirteen | 13th | Thirteenth | |
| 14 | Fourteen | 14th | Fourteenth | |
| 15 | Fifteen | 15th | Fifteenth | |
| 16 | Sixteen | 16th | Sixteenth | |
| 17 | Seventeen | 17th | Seventeenth | |
| 18 | Eighteen | 18th | Eighteenth | |
| 19 | Nineteen | 19th | Nineteenth | |
| 20 | Twenty | 20th | Twentieth | |
| 21 | Twenty one | 21st | Twenty-first | |
| 22 | Twenty two | 22nd | Twenty-second | |
| 23 | Twenty three | 23rd | Twenty-third | |
| 24 | Twenty four | 24th | Twenty-fourth | |
| 25 | Twenty five | 25th | Twenty-fifth | |
| … | … | … | … | |
| 30 | Thirty | 30th | Thirtieth | |
| 31 | Thirty one | 31st | Thirty-first | |
| 32 | Thirty two | 32nd | Thirty-second | |
| 33 | Thirty three | 33rd | Thirty-third | |
| 34 | Thirty four | 34th | Thirty-fourth | |
| … | … | … | … | |
| 40 | Forty | 40th | Fortieth | |
| 50 | Fifty | 50th | Fiftieth | |
| 60 | Sixty | 60th | Sixtieth | |
| 70 | Seventy | 70th | Seventieth | |
| 80 | Eighty | 80th | Eightieth | |
| 90 | Ninety | 90th | Ninetieth | |
| 100 | One hundred | 100th | Hundredth | |
| … | … | … | … | |
| 1000 | One thousand | 1000th | Thousandth | |
Note also that a Cardinal ending in "-y" becomes "-ieth" for the Ordinal.
Examples:
70 (seventy) → 70th (seventieth)
71 (seventy one) → 71st (seventy-first)
194 (one hundred ninety four) → 194th (one-hundred-ninety-fourth)