Ordinal Numbers
Number to ordinal suffix and word (1st, first).
Suffix
21st
Word
twenty-first
Output
1st first 2nd second 3rd third 11th eleventh 21st twenty-first 22nd twenty-second 23rd twenty-third 33rd thirty-third 42nd forty-second 101st 101 111th 111 121st 121
Numbers ending 11, 12, 13 always take "th" (the 11th, the 12th). Otherwise: 1→st, 2→nd, 3→rd, others→th. The pattern keeps repeating: 21st, 22nd, 23rd, 24th... 31st, 32nd, 33rd...
About
Type a number. Returns the suffix form (1st, 2nd, 3rd, 4th) and the word form (first, second, third, fourth). Includes batch conversion for a list of numbers.
How to use
- Type a number.
FAQ
Why is 11 'eleventh' not 'eleven-st'?+
11, 12, 13 are all 'th' even though 1, 2, 3 are 'st', 'nd', 'rd'. After 20, the pattern repeats: 21st, 22nd, 23rd, 24th...