120 in Words

How do you write 120 in words?

The number 120 is written one hundred twenty in words. As an ordinal it is one hundred twentieth, and on a check you would write One hundred twenty and 00/100.

Last updated 19 June 2026

Other ways to write it

Cardinalone hundred twenty
Ordinalone hundred twentieth
Currencyone hundred twenty dollars
Check formatOne hundred twenty and 00/100

How number-to-words spelling works

A cardinal number names a quantity (one hundred twenty), while an ordinal names a position (one hundred twentieth). English hyphenates compound numbers from twenty-one to ninety-nine and groups digits into thousands, millions, and billions.

For house-style rules on spelling out numbers, see the Chicago Manual of Style, or read our guide to spelling numbers in words.

Facts about 120

  • 120 is an even number.
  • It is not a prime number.
  • Digit sum: 3.
  • Roman numerals: CXX.
  • Binary: 1111000.
  • Hexadecimal: 78.
Place-value breakdown of 120
DigitPlace
1hundreds
2tens
0ones

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Frequently asked questions

How do you write 120 in words?

120 in words is "one hundred twenty".

How do you spell 120?

120 is spelled "one hundred twenty".

How do you write 120 on a check?

On a check, write "One hundred twenty and 00/100".

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