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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
on a per-unit basis
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "on a per-unit basis" is correct and usable in written English.
It is typically used in contexts involving calculations, comparisons, or analyses that are measured for each individual unit of something, such as cost, production, or performance. Example: "The cost of production decreased significantly on a per-unit basis, allowing us to increase our profit margins."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(5)
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
13 human-written examples
Ms. Cassady went on, "What amount do you find is a reasonable royalty on a per-unit basis for the total of twelve million five hundred and sixty-four thoneand one hundred and seven units?
News & Media
Also component to the above is the idea that the NSA — and therefore the Federal government — has the right to insert itself between, say, Cisco and one of its customers, on a chronic scale that weakens their products on a per-unit basis.
News & Media
Some people are asking why it is not on a per-unit basis.
News & Media
"Garbage collection on a per-unit basis goes way down if all your people are in one place".
News & Media
Most of these costs will deline on a per-unit basis as a book sells more copies.
News & Media
The assessments were allocated on a per-unit basis, even though the bylaws require that they be prorated according to each owner's percentage of the common interests.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
In the IEEE RTS-79 test system, the load model gives hourly loads for one year on a per unit basis, expressed in chronological fashion so that daily, weekly and seasonal patterns can be modeled.
Dr Chris Tomkins, who leads AXA PPP's proactive health services, also argues that "on a per unit basis [wearables] are quite expensive for corporate wellbeing plans.
News & Media
That said, wired devices still make up the lion's share of headphones sold on a per unit basis.
News & Media
The fact that the phone costs more on a per unit basis offset that, but moving to an all-premium product portfolio for a broad swath of the company's user base.
News & Media
After the initial cost of research and development, cost reduction on a per unit basis should grow significantly over time, leading to Waymo's ability to get a lot closer to reaching prices car OEMs are more comfortable at scale, more quickly.
News & Media
Expert writing Tips
Best practice
When using "on a per-unit basis", ensure it's followed by a specific metric or value that is being measured or calculated. For example, "cost on a per-unit basis" or "profit on a per-unit basis".
Common error
Avoid using "on a per-unit basis" when "per unit" is sufficient. The longer phrase can sometimes make the sentence unnecessarily verbose. Choose the shorter option when clarity is not compromised.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on a per-unit basis" functions as an adverbial phrase, modifying verbs or clauses to specify how a cost, price, or other metric is considered. It clarifies that the assessment applies individually to each item or unit, as supported by Ludwig.
Frequent in
News & Media
40%
Science
32%
Formal & Business
16%
Less common in
Encyclopedias
4%
Wiki
4%
Reference
0%
Ludwig's WRAP-UP
The phrase "on a per-unit basis" is a grammatically correct and professionally recognized way to specify that a calculation or assessment is being made for each individual unit. While interchangeable with the more concise "per unit", it serves to emphasize the individual consideration. As noted by Ludwig, this phrase is most frequently encountered in news and media, scientific, and formal business contexts. When using this phrase, ensure it is followed by the specific metric being measured. Avoid redundancy by opting for the shorter "per unit" when appropriate to enhance clarity. Ludwig confirms the phrase's usability and provides numerous examples of its application across various domains.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
per unit
Omits the "on a ... basis" portion, making it more concise.
on a unit basis
A shorter version that removes the word "per" without changing the core meaning.
for each unit
Replaces "per-unit" with "for each", emphasizing individual consideration.
per item
Substitutes "unit" with "item", useful when referring to countable objects.
unit by unit
Highlights a sequential consideration of each unit.
calculated per single unit
Highlights that calculation is performed individually for each unit.
for every item
Expands "per item" to explicitly state 'for every'.
each and every unit
Amplifies the individual aspect, ensuring no unit is overlooked.
by the single unit
Emphasizes the focus on individual units, with added specificity.
individually
Focuses on the separate and distinct nature of the assessment.
FAQs
How can I use "on a per-unit basis" in a sentence?
Use "on a per-unit basis" to specify that a cost, price, or another value is being considered for each individual item. For example, "We calculate our expenses "per unit"."
What are some alternatives to "on a per-unit basis"?
Alternatives include "per unit", "for each unit", or "on a unit basis". Choose the phrase that best fits the context and maintains clarity.
Is it better to say "per unit" or "on a per-unit basis"?
Both phrases are correct, but "per unit" is generally more concise and preferred in most situations. "On a per-unit basis" can be used for emphasis, but avoid redundancy. You can compare our expenses "unit by unit", or "calculated per single unit".
What does "on a per-unit basis" mean?
It means considering something individually for each unit or item. It is commonly used in cost analysis, manufacturing, and sales to determine values associated with single items.
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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