Why the 33 part uses a hyphen
Compound numbers from 21 through 99 join the tens word and the ones word with a hyphen. In 33, the 33 part combines thirty and three, producing thirty-three.
Number Digit tool
Learn how to write 33 in English words, see the correct spelling, and move to the previous or next number.
33 in words is thirty-three.
| Style | Words |
|---|---|
| American English | thirty-three |
| British English | thirty-three |
Compound numbers from 21 through 99 join the tens word and the ones word with a hyphen. In 33, the 33 part combines thirty and three, producing thirty-three.