A simple rule for using numbers in writing is that small numbers ranging from one to ten (or one to nine, depending on the style guide) should generally be spelled out. Larger numbers (i.e., above ten) are written as numerals.
Numbers can be written either as words (e.g., one hundred) or numerals (e.g., 100). In this article we follow the guidelines of APA Style, one of the most common style guides used in academic writing. In general, words should be used for numbers from zero through nine, and numerals should be used from 10 onwards.
Spell out numbers under 10
When writing numbers under 10 in a sentence, they should be spelled out. This is true regardless of where they fall in a sentence.
Chicago Manual of Style Numbers Rules
Spell out numbers zero through one hundred; all whole numbers should be spelled out, e.g., twelve thousand. Spell out numbers at the beginning of a sentence. Fractions should be written with numerals unless they begin a sentence.
There are several rules of thought on how to handle writing numbers, but the most common is pretty simple. Spell out numbers under 10 (zero through nine), and use the numeric symbols for numbers 10 and up.
A simple rule for using numbers in writing is that small numbers ranging from one to ten (or one to nine, depending on the style guide) should generally be spelled out. Larger numbers (i.e., above ten) are written as numerals.
For example, 13 is written as Thirteen in English. All the numbers from 13 to 19, use the same suffix, i.e, “-teen” when written in words. Such as: 13 – Thirteen.
When writing ordinal numbers such as 1st, 2nd, 3rd, etc. you should use the last two letters on the word as it would be if you wrote out the whole word. Below are the ordinal numbers both written out and with digits for 1-20. As you can see, 1st, 2nd, and 3rd use -st, -nd, and -rd, but 4th-20th use -th.
America's two most influential style and usage guides have different approaches: The Associated Press Stylebook recommends spelling out the numbers zero through nine and using numerals thereafter—until one million is reached.
In English, the spelling of 23 in words is Twenty-three, so we can write 23 in words as Twenty-three.
Twenty One in numerals is written as 21.
Since ninty is never the correct spelling, remember ninety vs. ninty is easy. Ninety is always the correct way to spell the written form of the number 90. Many style guides recommend using figures instead of words for numbers greater than ten.
Most style guides suggest that you use words for small numbers and digits for larger numbers, but the cut-off point varies. In Australia, the most common convention in business writing is to use words for 'one' to 'nine' and digits for '10' upwards.
It is generally best to write out numbers from zero to one hundred in nontechnical writing. In scientific and technical writing, the prevailing style is to write out numbers under ten.
1,500 in the word is written as one thousand five hundred.
In short form it's the '30s, not the 30s or 30's. When writing about something that happened in the middle of the 1930s, use mid-1930s or shorten to mid-'30s.
Remember, no space between hyphen and words. Spelling rules with whole numbers - 20th, 30th, 40th... 30th = thirtieth (It's her thirtieth birthday.) 40th = fortieth (It's my 40th birthday tomorrow.)
1. Spell out numbers below 10. Numerals should be used for numbers 10 and above, but numbers nine and below should be spelled out.
The spelling of 18 in words is Eighteen, which means 18 in words can be expressed as Eighteen.
The number 14 is a compound word which combines the word “four” with the word “teen.” “Teen” denotes that it is a number after twelve. The correct spelling is f-o-u-r-t-e-e-n. Fourteen is an easy “teen” word to spell because you don't have to change the spelling of “four.” The ordinal number form is also easy to spell.
FAQs on 13 in Words
Using the place value chart, we can identify the value of each digit in 13 and convert the numerals to words. 13 in words is written as Thirteen.
The spelling of 11 in English is Eleven, which means 11 in words can be expressed as Eleven.
The spelling of 19 in English words is Nineteen, which means 19 in words can be expressed as nineteen.
The number names from 11 to 20 are: 11 – Eleven, 12 – Twelve, 13 – Thirteen, 14 – Fourteen, 15 – Fifteen, 16 – Sixteen, 17 – Seventeen, 18 – Eighteen, 19 – Nineteen, 20 -Twenty.