1,000 in Words

How do you write 1,000 in words?

The number 1,000 is written one thousand in words. As an ordinal it is one thousandth, and on a check you would write One thousand and 00/100.

Last updated 19 June 2026

Other ways to write it

Cardinalone thousand
Ordinalone thousandth
Currencyone thousand dollars
Check formatOne thousand and 00/100

How number-to-words spelling works

A cardinal number names a quantity (one thousand), while an ordinal names a position (one thousandth). 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 1,000

  • 1,000 is an even number.
  • It is not a prime number.
  • Digit sum: 1.
  • Roman numerals: M.
  • Binary: 1111101000.
  • Hexadecimal: 3E8.
Place-value breakdown of 1,000
DigitPlace
1thousands
0hundreds
0tens
0ones

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Frequently asked questions

How do you write 1,000 in words?

1,000 in words is "one thousand".

How do you spell 1,000?

1,000 is spelled "one thousand".

How do you write 1,000 on a check?

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

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