Used and loved by millions
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 instalment
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "per instalment" is correct and usable in written English.
It is typically used in financial contexts to refer to payments made in parts or segments over time. Example: "You can choose to pay for the service per instalment, making it more manageable for your budget."
✓ Grammatically correct
News & Media
Alternative expressions(2)
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
1 human-written examples
"We are told," he said to his audience of print magnates, "that foreign correspondent Marx, stone broke, and with a family ill and undernourished, constantly appealed to Greeley and managing editor Charles Dana for an increase in his munificent salary of $5 per instalment, a salary which he and Engels ungratefully labelled as the 'lousiest petty- bourgeois cheating'.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
The story's dramatic gears turn smoothly as the plot proceeds in 24-hour instalments – one day per episode - bringing pace and exponential tension to its interlocking themes.
News & Media
I've tried to limit these Bond recaps to one instalment per Bond.
News & Media
It has been there for over twenty years, with one instalment per Nintendo platform, as regular as clockwork.
News & Media
The comments came as studio Warner Bros issued a statement denying allegations that the 48 frames per second rate at which opening instalment An Unexpected Journey is filmed can cause nausea in the viewer.
News & Media
Negotiations are on-going between UCL and its student union (UCLU) to introduce four fee instalments per year rather than two, and establish awards to support part-time PhD students.
News & Media
The 31st instalment of the WWE's flagship pay-per-view WrestleMania takes place this Sunday with the WWE World Heavyweight Championship on the line as Royal Rumble winner Roman Reigns takes on reigning champion Brock Lesnar.
News & Media
If part of the agreement includes an instalment arrangement of so much cash per year of marriage, then a husband is going to be sorely tempted to throw in the towel at the first sign of fading passion.
News & Media
The Premier League had given Setanta until 5pm today to come up with £10m under a payment plan agreed with the broadcaster to meet an outstanding £35m instalment on its rights to 46 live Premier League matches per season.
News & Media
One final instalment, perhaps?
News & Media
Bring on the next instalment.
News & Media
Expert writing Tips
Best practice
When using "per instalment", ensure the context clearly indicates a payment or delivery schedule divided into multiple parts. For clarity, specify the amount and frequency of each instalment.
Common error
Avoid using "per instalment" when you mean a single, complete payment. "Per instalment" implies multiple payments over time, not a one-time transaction.
Source & Trust
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "per instalment" functions as an adverbial phrase, modifying a verb or noun phrase to specify how something is paid or delivered. Ludwig indicates that this usage is grammatically correct.
Frequent in
News & Media
98%
Science
1%
Formal & Business
1%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "per instalment" is a grammatically sound phrase used to describe payments or deliveries made in segments. As confirmed by Ludwig, it is correct in written English and mainly used in news and business contexts. While "per instalment" is less common than alternatives like "in installments", its precise meaning makes it useful in situations where clarity about the payment schedule is essential. Remember to use it when discussing things like loans, subscriptions, or even series of books or movies where content is released over time.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in installments
Replaces "per" with "in", emphasizing the multiple payments.
by installment
Uses "by" instead of "per", focusing on the method of payment.
each instalment
Focuses on individual payments within the overall scheme.
for each installment
Adds "for" to specify the cost associated with each payment segment.
on a per-installment basis
Formalizes the phrase, indicating a structured payment arrangement.
payment by installment
Highlights that payment is made by installment and not as a lump sum.
installment by installment
Payment is done in installments. Emphasizes the phased approach to payments.
installment-wise
Informal alternative that suggests payment in segments.
partially
Highlights that the payment is done in parts and not the whole amount.
segmentally
Suggests division into segments, implying that payment or delivery occurs in distinct parts.
FAQs
How can I use "per instalment" in a sentence?
You can use "per instalment" to describe payments made in segments: "The subscription fee is $20 "in installments", or $5 per instalment."
What are some alternatives to "per instalment"?
Alternatives include "in installments", "by installment", or "each installment" depending on the context.
Is it better to say "per instalment" or "in installments"?
Both "per instalment" and "in installments" are correct, but "in installments" is more common. The best choice depends on the specific context and desired level of formality.
What is the difference between "per instalment" and "per payment"?
"Per instalment" specifically refers to a payment that is part of a series of payments, while "per payment" is more general and could refer to any individual payment, whether it's part of a series or a one-time payment.
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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
94%
Authority and reliability
4.5/5
Expert rating
Real-world application tested