## Guidance on Spelling Out Numbers

## (Rule 1) Hyphenate all numbers between 21-99 less those divisible by 10.

Hyphenate all numbers between 21 and 99 (except 30, 40, 50, 60, 70, 80, and 90) regardless of where they appear in the number. For example:- 51 (fifty-one )
- 234 (two hundred thirty-four )
- 450 (four hundred fifty ) (Do not hyphenate numbers divisible by 10, e.g., 20, 30, 40.)
- 25,223 (twenty five thousand two hundred twenty three ) ("Twenty five" and "twenty three" should be hyphenated.)

## (Rule 2) Do not use "and" in whole numbers.

The word "and" is not written with whole numbers. You might say "four hundred**and**fifty," but do not write the "and." For example:

- 3,567 (three thousand five hundred and sixty-seven )
- 3,567 (three thousand five hundred sixty-seven )

## (Rule 3) Use "and" for the decimal point.

If the numbers after the decimal point are not said as figures, then use "and" instead of "point." For example:- $3,567.65 (three thousand five hundred sixty-seven dollars and sixty-five cents )
- 234.2 (two hundred thirty-four and two tenths )
- 44,120.42 (forty-four thousand one hundred twenty and forty-two hundredths )

- 234.2 (two hundred thirty-four point two )
- 44,120.42 (forty-four thousand one hundred twenty point four two )

## (Rule 4) Do not use commas.

Do not use commas when writing numbers out in full.- 44,120 (forty-four thousand, one hundred twenty )
- 44,120 (forty-four thousand one hundred twenty )

## Putting it all together...

- $23,237,897.99 (twenty-three million two hundred thirty-seven thousand eight hundred ninety-seven dollars and ninety-nine cents )

## Points to Note

## Writing "And"

Avoiding "and" when writing numbers in full is largely an American convention. Those following British writing conventions tend to use "and." For example:- 3,567 (three thousand five hundred and sixty-seven )
- 3,567 (three thousand five hundred and sixty-seven )

## "Forty" Not "Fourty"

The number 40 is spelt forty and not fourty.## There Is No "a" between 1 and 999

Interestingly, if you avoid "and" (as is the US convention) and start writing out the whole numbers from zero upwards, you will reach 1000 before you use the letter "a."## More Points to Note

## Write As Simply As Possible

Is there a better way to express your large number? Usually, the simplest way is best.- 2,400 (twenty-four hundred)
- 2,400 (two thousand four hundred) (These are both correct, but the top one is easier to read. Try to help your readers.)

## Avoid Numbers at the Start of Sentences

If your sentence starts with a number, write it out in full. For example:- 71 people attended the meeting. (This is not wrong, but it's untidy.)
- Seventy-one people attended the meeting.

- 23,465 people attended the concert. (This is not wrong, but it's untidy.)
- Twenty-three thousand four hundred sixty-five people attended the concert. (This is unwieldy and untidy.)

- Precisely 23,465 people attended the concert.
- More than 23,400 people attended the concert.
- According to the organizers, 23,465 people attended the concert.
- The concert was attended by 23,465 people.

## You might also like...

Spelling out fractions
Hyphens in compound adjectives
Numbers as compound adjectives
Starting sentences with numbers

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