Ways to write 30

Words	thirty
Title Case	Thirty
On a check	thirty and 00/100
Currency	thirty dollars

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Nearby numbers

Number	In words
19	nineteen
20	twenty
21	twenty-one
25	twenty-five
30	thirty
35	thirty-five
40	forty
45	forty-five
50	fifty

Related

All numbers in words · Roman numerals · Percentage answers