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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
one half
Grammar usage guide and real-world examplesUSAGE SUMMARY
"one half" is correct and usable in written English.
You can use it when you want to refer to 50% of something. For example, "One half of the cake was eaten by my brother."
✓ Grammatically correct
News & Media
Science
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
47 human-written examples
One half of this is true.
News & Media
Only played one half".
News & Media
In one half.
News & Media
One half Beatle.
News & Media
One half say yes, one half say no.
News & Media
One half at home and one half in my shop.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
13 human-written examples
Damage accumulated within one half-wave after buckling.
Science
–One-half stay less than one semester.
News & Media
one-half inch.
News & Media
"Five and one-half drops," said Stuart.
News & Media
Others give spouses one-half.
News & Media
Expert writing Tips
Best practice
Use "one half" when precision is important. For example, in scientific or technical writing, "one half" is preferred over less precise terms like "about half".
Common error
Don't confuse "one half" (a quantity) with "halved" (a verb describing the action of dividing something in two). For instance, say "one half of the apple" instead of "the apple was one halfed".
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "one half" functions primarily as a noun phrase when it represents a fraction or a quantity. It can also act as an adjective when modifying another noun, as in "one half hour". Ludwig AI confirms that this phrase is grammatically correct.
Frequent in
News & Media
42%
Science
29%
Wiki
14%
Less common in
Formal & Business
6%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "one half" is a grammatically correct and widely used way to express the fraction 1/2 or 50%. As Ludwig AI confirms, it's suitable for various contexts, ranging from formal writing in news and scientific publications to more casual conversation. When using "one half", it's important to distinguish it from related terms like "halved" and to choose the most appropriate alternative based on the context, such as "fifty percent" or "a half". By following these guidelines, you can ensure clear and effective communication using the phrase "one half".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
fifty percent
Expresses the same quantity using percentage.
a half
A shorter, more casual way of saying "one half".
point five
Uses the decimal representation of the fraction.
0.5
Uses the numerical representation of the fraction.
fifty-fifty
Implies an equal division or chance.
semi-
Prefix used to indicate "half" or "partly".
moiety
A formal or archaic term for "half".
one part in two
Emphasizes the ratio aspect of "one half".
halfway
Indicates a position or extent that is "half" of the way.
median
Refers to the middle value, dividing a dataset in "half".
FAQs
How do I use "one half" in a sentence?
"One half" can be used to describe a quantity, proportion, or division. For example, "One half of the students passed the test" or "Cut the recipe in half, using only "one half" of the ingredients".
What are some alternatives to saying "one half"?
Depending on the context, you can use alternatives like "fifty percent", "a half", or "point five".
Is it better to write "one half" or "1/2"?
In formal writing, it's generally better to spell out "one half". However, "1/2" is acceptable in more informal contexts, especially where space is limited or in technical writing.
What's the difference between "one half" and "a half"?
The terms are largely interchangeable. "One half" is slightly more formal and precise, while "a half" is more casual. Both refer to the same quantity: 50% of something.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested