Names of numbers in English

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Here are some words for small numbers. Words in bold are irregular.

0 zero
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
10 ten
11 eleven
12 twelve
13 thirteen
14 fourteen
15 fifteen
16 sixteen
17 seventeen
18 eighteen
19 nineteen
20 twenty
30 thirty
40 forty
50 fifty
60 sixty
70 seventy
80 eighty
90 ninety

When writing other numbers between 21 and 99, you must use a hyphen (-).

  • 21: twenty-one
  • 29: twenty-nine
  • 64: sixty-four
  • 99: ninety-nine

The number 100 is written as "one hundred", but sometimes people say "a hundred".

The way numbers are written and spoken differs between American English and other forms of English, such as British English and Australian English, as follows.

American English[change | change source]

To write a whole number from 100 to 999 in American English:

  • First write how many hundreds.
  • Then write the word "hundred".
  • Then write the name of the two-digit number after the digit in the hundreds place.

In standard, written, American English, the word "and" is not in the word-name of any whole number even though many speakers insert it.

Examples:

  • 101: one hundred one (NOT: one hundred and one)
  • 102: one hundred two (NOT: one hundred and two)
  • 175: one hundred seventy-five (NOT: one hundred and seventy-five)
  • 200: two hundred
  • 300: three hundred
  • 512: five hundred twelve
  • 987: nine hundred eighty-seven

British and Commonwealth English[change | change source]

To write a whole number from 100 to 999 in British and Commonwealth English:

  • First write how many hundreds.
  • Then write the word "hundred".
  • Then write the name of the two-digit number after the digit in the hundreds place.

In standard, written, British English (and the English spoken in many other places), the word "and" is in the word-name of many whole numbers.

Examples:

  • 101: one hundred and one (NOT: one hundred one)
  • 102: one hundred and two (NOT: one hundred two)
  • 175: one hundred and seventy-five (NOT: one hundred seventy-five)
  • 200: two hundred
  • 300: three hundred
  • 512: five hundred and twelve (NOT: five hundred twelve)
  • 987: nine hundred and eighty-seven (NOT: nine hundred eighty-seven)

Related pages[change | change source]