Cardinal Numbers: How to Use Cardinal Numbers (with Chart and Examples)

Cardinal numbers!!! Cardinal numbers are the numbers we count with and probably what you think of first when you hear the word “number.” For example, “one,” “two,” and “three” are all cardinal numbers.

Cardinal Numbers

Cardinal numbers are used to count a set of objects and tell us about quantity. These are also said to be cardinals.

We use cardinal numbers to count (e.g., one, two, three). Typically, in formal writing, you will want to write out numbers up to ten as words and use numerals for larger values.

For numbers in the hundreds, the British usually say “and” but the Americans often do not say “and”.

  • British English: 215 = two hundred and fifteen
  • American English: 215 = two hundred fifteen
Numbers Read as
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
21 twenty-one
22 twenty-two
23 twenty-three
24 twenty-four
30 thirty
31 thirty-one
40 forty
50 fifty
60 sixty
70 seventy
80 eighty
90 ninety
100 one hundred
105 one hundred and five
174 one hundred and seventy-four
200 two hundred
1,000 one thousand
1,000,000 one million
1,000,000,000 one billion
1,000,000,000,000 one trillion


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Cardinal Numbers Infographic

Cardinal Numbers

Last Updated on February 21, 2023

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