Counting to 1,000 and Beyond

1 to 20

1 2 3 4 5 6 7 8 9 10
one two three four five six seven eight nine ten

11 12 13 14 15 16 17 18 19 20
eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty

21 to 99

Join these:

20 30 40 50 60 70 80 90
twenty thirty forty fifty sixty seventy eighty ninety

to these:

1 2 3 4 5 6 7 8 9
-one -two -three -four -five -six -seven -eight -nine

 

Note that forty does not have a u but four does!

 

 

Examples:

53   fifty-three
60   sixty
72   seventy-two
99   ninety-nine

100 to 999

Write how many hundreds ("one hundred", "two hundred", etc), then the rest of the number as above.

In UK English use "hundred and".

Examples:

    US   UK
101   one hundred one   one hundred and one
116   one hundred sixteen   one hundred and sixteen
144   one hundred forty-four   one hundred and forty-four
212   two hundred twelve   two hundred and twelve
271   two hundred seventy-one   two hundred and seventy-one
621   six hundred twenty-one   six hundred and twenty-one
999   nine hundred ninety-nine   nine hundred and ninety-nine

 

1,000 to 999,999

Write how many thousands ("one thousand", "two thousand", etc), then the rest of the number as above.

 

Examples:

    US   UK
1,101   one thousand, one hundred one   one thousand, one hundred and one
15,016   fifteen thousand, sixteen   fifteen thousand, and sixteen
    (No hundreds? Don't write them!
but the and is still needed in the UK)
112,621   one hundred twelve thousand, six hundred twenty-one   one hundred and twelve thousand, six hundred and twenty-one
999,999   nine hundred ninety-nine thousand, nine hundred ninety-nine   nine hundred and ninety-nine thousand, nine hundred and ninety-nine

Millions and More

Write how many millions then the rest of the number like above.

Examples:

    US   UK
1,006,101   one million, six thousand, one hundred one   one million, six thousand, one hundred and one
191,232,891   one hundred ninety-one million, two hundred thirty-two thousand, eight hundred ninety-one   one hundred and ninety-one million, two hundred and thirty-two thousand, eight hundred and ninety-one
999,999,999   nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine   nine hundred and ninety-nine million, nine hundred and ninety-nine thousand, nine hundred and ninety-nine

Use the same method for:

Billion 1,000,000,000
Trillion 1,000,000,000,000
Quadrillion 1,000,000,000,000,000
Quintillion etc ...
Sextillion
Septillion
Octillion
Nonillion
Decillion
Undecillion
Duodecillion
Tredecillion
Quattuordecillion
Quindecillion
Sexdecillion
Septemdecillion
Octodecillion
Novemdecillion
Vigintillion 1 followed by 63 zeros!

Commas

When writing the number put commas every three digits like this:

1,006,101

When writing words some people use commas, some don't. Which do you prefer?

  • one million six thousand one hundred one
  • one million, six thousand, one hundred one