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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
as per needed
Grammar usage guide and real-world examplesUSAGE SUMMARY
"as per needed" is a correct and usable phrase in written English.
You can use it in place of "as needed." For example: Please adjust your sprinkler system as per needed to ensure an adequate water supply for your plants.
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
as needed
when necessary
if required
as the need arises
on an as-needed basis
according to requirements
depending on the situation
subject to demand
as circumstances dictate
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
it is important to remember
during the previous years
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Addressing the Israeli cabinet on Sunday morning, Prime Minister Benjamin Netanyahu warned, "We are ready to expand this operation as per need". He added that he held the Palestinian leadership in the West Bank, which recently reached a deal on a unity government with Hamas, equally responsible for rocket fire from Gaza.
News & Media
A modularized setup was employed, which allows one to disable and replace aligners and SV discovery tools as needed or as per personal preference.
Science
Apply heat for 20 minutes, four times per day or as needed.
Wiki
Do this about 1 to 3 times per day or as needed.
Wiki
The report estimated that as much as $24.5 billion is needed per year to improve the condition of transit, rail and bus systems.
News & Media
The parameters ϕ, p and Orlicz function (mathcal{{F}}) of (mathcal{{M}} phi,p,mathcal{{F}})) brings flexibility in the induced distance measure (d_{M phi,p,mathcal{{F}})}), which helps the user to modify it as per need of the clustering problem.
Audio visual aids were also used as per need.
Science
Families receiving one or two of these (as per need) are able to meet their water needs for two months.
Formal & Business
This raises an issue for developing countries and bioinformatics could be the possible hope for the orphan drug development as per need [ 113].
The novelty of this work is to exploit the lucid science of HLB, which facilitates using a variety of desired emulsifiers/surfactants (as per need or regulatory requirement) to develop a stable antiseptic cream formulation of basil oil.
Also get additional power meters installed as per need.
Wiki
Expert writing Tips
Best practice
When using "as per needed", ensure the context clearly establishes what 'need' is being referred to. Providing specific criteria or conditions will improve clarity.
Common error
While "as per needed" is acceptable, avoid overusing "as per" in your writing. Opt for simpler alternatives like "as needed" or "according to" for a more direct and natural tone.
Source & Trust
77%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as per needed" functions as an adverbial phrase, modifying a verb or clause to indicate the circumstances under which an action should be performed. It specifies that something should be done or adjusted based on requirements.
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
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Ludwig's WRAP-UP
In summary, "as per needed" is a grammatically correct but less common phrase used to indicate that something should be done according to specific requirements. As Ludwig AI confirms, it is usable in written English but often replaceable with simpler alternatives such as ""as needed"". While understandable, prioritizing clarity and conciseness by using alternative phrasing is generally advisable for more effective communication. In addition, while being grammatically correct, it is rarely used. You should prioritize simplicity and consider the context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as needed
This is the most direct and commonly used alternative, conveying the same meaning with greater conciseness.
when necessary
Focuses on the condition of necessity, implying action only when required.
if required
Highlights the conditional aspect of the action, emphasizing that it might not always be needed.
as the need arises
Emphasizes the spontaneous nature of the need and the action taken in response.
on an as-needed basis
Formalizes the concept, suggesting a structured or official approach to addressing needs.
according to requirements
Shifts the focus to pre-defined requirements that dictate when action is necessary.
depending on the situation
Highlights the variability of needs based on different circumstances.
subject to demand
Emphasizes that the action is contingent upon the level of demand or request.
as circumstances dictate
Suggests that external circumstances will determine the necessity of the action.
per requirement
A more concise and slightly more formal alternative to "as per needed".
FAQs
How can I use "as per needed" in a sentence?
You can use "as per needed" to indicate that something should be done or adjusted based on the requirements or needs of a particular situation. For instance, "Please adjust the settings "as needed" to optimize performance."
What's a simpler way to say "as per needed"?
A simpler and more common alternative to "as per needed" is ""as needed"". It conveys the same meaning in a more concise manner.
Is "as per needed" more formal than "as needed"?
While "as per" can sometimes add a touch of formality, in this case, "as per needed" is not significantly more formal than ""as needed"". The latter is generally preferred for its simplicity.
Are there situations where "as per needed" is preferable?
While "as per needed" is grammatically correct, it is rarely preferable to the shorter and more common ""as needed"". However, it might be used if you specifically want to emphasize adherence to a certain protocol or guideline.
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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
77%
Authority and reliability
3.8/5
Expert rating
Real-world application tested