Do you hyphenate Age year old?
Hyphenating Year Old
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You put a hyphen with “year old” if it modifies the noun that follows it. So, if the phrase tells the age of a person, place, or thing, then it should be written as “year-old.” This adjective will also go before the noun in the sentence.

Do you hyphenate two year old?
Hyphens in ages work the same way as in the any other compound adjective (see above), where words work together to describe something: if the age is before the noun, use hyphens. If it’s after, don’t. She’s a two-year-old girl [all three words work together to describe the girl]. The girl is two years old.
Do you put hyphen between number and year?
Hyphen With Number of Years
Use hyphens when you are using someone’s age as a label. Four-and-a-half-year-olds are not reasonable about nap time. The two-year-old’s favorite food was yogurt. Don’t use hyphens when you’re just talking about a span of time.
Do you hyphenate five year old?
Hyphenate “year old” if the phrase precedes a noun that it is modifying.

Is 12 year old hyphenated?
A 12-year-old child is 12 years old. That is, when the adjectival phrase (12-year-old) comes before the noun it modifies (child), it is hyphenated, and it is unhyphenated when it comes after the noun it modifies. This is the standard practice for phrasal adjectives of all kinds, not just those relating to age.
Do you hyphenate ten year old?
“Year Old” as a Noun
If the phrase “year old” is used as a noun or comes before a noun, hyphenate it: My ten-year-old computer takes five minutes to boot up. That six-year-old paints like Jackson Pollock.
How do you hyphenate a 6 year old?
If the phrase “year old” is used as a noun or comes before a noun, hyphenate it: My ten-year-old computer takes five minutes to boot up. That six-year-old paints like Jackson Pollock. A six-year-old doughnut is no longer edible.
Should 10 year be hyphenated?
If the word “year” is singular, the hyphen is needed. If it is plural, there is no need. If the noun comes after the year or is implied, then hyphenate the phrase. If the noun, whether proper or pronoun, precedes the phase, then do not worry about the hyphen.
Is year and a half hyphenated?
No. The phrase year and a half does not need a hyphen because it is not a compound adjective that is describing a noun. Examples of year and a half without a hyphen: The project will take a year and a half to complete.
How do you write 8 year old?
Chicago style is to use the word for ages 100 and lower, and AP style is to always use the numeral for ages. Our site uses a modified version of AP style, which is why the example reads “8-year-old” instead of “eight-year-old.”]
Do you hyphenate 11 year old?
Summary. So to sum up, you hyphenate an age when it’s a noun or when it’s a modifier that comes before a noun. The main time you don’t hyphenate an age is when it comes after the noun it modifies. Ages are like every other compound modifier that way: you hyphenate them before the noun but not after the noun.
How do you write two and a half year old?
I recommend first that you use either “three-and-a-half-year-old” or “3½-year-old,” and that you not mix spelled-out numbers and numerical numbers as in “3-and-a-half-year-old” and “three-and-½-year-old.”
How do you hyphenate a one and a half year old?
a one-and-a-half-year old kid. When years (the plural) is used, they never suggested using hyphens.
Is 10 year old hyphenated?
If the phrase “year old” is used as a noun or comes before a noun, hyphenate it: My ten-year-old computer takes five minutes to boot up. That six-year-old paints like Jackson Pollock. A six-year-old doughnut is no longer edible.
Do you hyphenate 12-year-old?