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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
per copy
Grammar usage guide and real-world examplesUSAGE SUMMARY
"per copy" is a correct and usable phrase in written English.
It can be used to refer to the pricing for a single copy of something, or to describe something that has been replicated or reproduced multiple times. For example: "The cost of the book is $10 per copy."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(4)
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
53 human-written examples
Publish a per copy distribution number.
Wiki
The final cost per copy for us is nearer £4.
News & Media
We pay £2 per copy to the producers, so we're only making £2 to £3 profit per copy".
News & Media
Corporations can buy StarOffice in large quantities for as little as $25 per copy.
News & Media
A copy of the Daytona Beach News-Journal, the local newspaper, was fetching $5 per copy.
News & Media
Today, that royalty rate works out to about nine cents per copy.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
6 human-written examples
The per-copy price won't help either.
News & Media
Armor kits for Humvees are not expensive but are not being provided, while $250 million-per-copy aircraft are.
News & Media
Mulholland and the British publisher, Canongate, combined their orders to reduce per-copy cost of production in China.
News & Media
"But together we have a bigger physical footprint so of course that helps get the physical cost-per-copy down".
News & Media
Although we do not identify absolute values for the per-copy transcription rate, we are able to estimate the ratio of the per-copy transcription rate between different constructs and cells.
Science
Expert writing Tips
Best practice
Use "per copy" when discussing costs, royalties, or metrics related to individual instances of a replicated item. For example, in publishing or manufacturing contexts.
Common error
Avoid using "per copy" when referring to collective amounts. For instance, don't say "the total cost per copy" when you mean "the cost per copy".
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "per copy" functions as an adverbial phrase modifying a noun, typically related to cost, price, or metrics, indicating that the quantity or value applies to each individual copy. Ludwig confirms its correct usage.
Frequent in
News & Media
52%
Science
33%
Wiki
10%
Less common in
Formal & Business
5%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "per copy" is a grammatically correct and very common prepositional phrase primarily used to specify a rate, cost, or other quantifiable metric for a single instance of a replicated item. According to Ludwig, it functions adverbially. It is most frequently encountered in News & Media and Science, and has a neutral to professional register. When using it, ensure clarity and avoid misapplying it to collective quantities. Remember the phrase is correct, and there is no grammar error using it.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
for each copy
Emphasizes the individual nature of each item being counted, subtly highlighting distribution.
for every single copy
Adds emphasis to the individuality of each copy, implying scrutiny or importance.
price per book
More specific, used only if "copy" refers to books.
cost per item
Focuses specifically on the monetary aspect, good for pricing scenarios.
per unit
Generalizes the concept to any unit, not just copies; suitable for broader applications.
unit cost
Economic term; good for business plans.
by the copy
Puts more focus on the action of obtaining it, is slightly more formal, common in legal or official contexts.
individual copy
Highlights the individuality of each item.
each copy
A shorter alternative, less suitable to pricing and more to distribution.
per impression
Common in advertising, emphasizing each viewing.
FAQs
How is "per copy" used in a sentence?
The phrase "per copy" is typically used to indicate the cost, value, or some other metric associated with a single instance of a replicated item, such as "The printing cost is $2 "per copy"".
What can I say instead of "per copy"?
Which is correct, "per copy" or "for copy"?
"Per copy" is the correct phrasing when referring to a cost or metric associated with an individual item. "For copy" is grammatically incorrect in this context.
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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
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested