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
a fixed number of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a fixed number of" is correct and usable in written English.
It can be used to refer to an exact, predetermined quantity of something. For example, "The teacher only allowed a fixed number of students to take the exam early."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
a fixed number of vacation days
a set quantity of
a predetermined amount of
a specific quantity of
a limited number of
a defined number of
an exact quantity of
a finite number of
a given quantity of
a precise amount of
a certain number of
a fixed term of
a fixed definition of
a fixed point of
a fixed place of
a fixed measure of
a fixed view of
a fixed fee of
a fixed frame of
a fixed set of
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
58 human-written examples
You'll end up paying a fixed rate for a fixed number of years that's amortized.
News & Media
In contrast, Instagram agreed to a fixed number of shares rather than a fixed dollar value.
News & Media
A fixed number of permits would be auctioned each year.
News & Media
The audience was comfortable, since the Bottom Line had a fixed number of seats and tables.
News & Media
The free phones would have a fixed number of minutes of air time.
News & Media
That is not always consistent with working a fixed number of hours".
News & Media
Unlike traditional mutual funds, closed-end funds have a fixed number of outstanding shares.
News & Media
Closed-end funds, which have a fixed number of shares, are traded throughout the day like stocks.
News & Media
Avios divides the world into nine zones, each of which cost a fixed number of points to travel to.
News & Media
Each region has a fixed number of seats to be won, with parties putting forward a list of candidates.
News & Media
The schools are real, with a fixed number of children getting a good education in a safe environment.
News & Media
Expert writing Tips
Best practice
When using "a fixed number of", ensure the context clearly defines what the number refers to and why it is important. For example, instead of saying "There are a fixed number of employees", specify "There are a fixed number of 20 employees assigned to the project".
Common error
Avoid using "a fixed number of" when the quantity is variable or expected to change. Using it in such contexts can mislead readers or convey inaccurate information.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a fixed number of" functions as a determiner phrase, modifying a noun to specify a definite quantity. As Ludwig AI confirms, this phrase is grammatically correct and commonly used, as shown in the examples provided.
Frequent in
News & Media
45%
Science
35%
Encyclopedias
10%
Less common in
Formal & Business
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "a fixed number of" is a grammatically sound and widely used phrase that specifies a definite quantity. As confirmed by Ludwig AI and supported by numerous examples from news, scientific, and encyclopedic sources, it serves to provide clarity and precision in writing. While versatile enough for neutral and even formal contexts, it's crucial to use it accurately, ensuring the quantity referred to is indeed fixed and not variable. Alternative phrases like "a set quantity of" or "a predetermined amount of" can offer subtle differences in emphasis, depending on the intended meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a set quantity of
Replaces "fixed number" with "set quantity", emphasizing the established amount.
a predetermined amount of
Uses "predetermined" to highlight that the quantity was decided in advance.
a specific quantity of
Replaces "fixed" with "specific", focusing on the particularity of the amount.
a defined number of
Substitutes "fixed" with "defined", indicating a clear and established value.
an exact quantity of
Emphasizes the precision of the quantity using "exact".
a limited number of
Focuses on the restriction of the quantity using "limited".
a finite number of
Highlights the boundedness of the quantity using "finite".
a given quantity of
Uses "given" to indicate the quantity is already known or established.
a precise amount of
Emphasizes accuracy by using "precise" instead of "fixed".
a known quantity of
Indicates that the amount is already recognized or discovered.
FAQs
How can I use "a fixed number of" in a sentence?
You can use "a fixed number of" to indicate a specific, predetermined quantity. For instance, "The company offers "a fixed number of vacation days" each year".
What are some alternatives to "a fixed number of"?
Alternatives include "a set quantity of", "a predetermined amount of", or "a specific quantity of" depending on the context.
Is it appropriate to use "a fixed number of" in formal writing?
Yes, "a fixed number of" is suitable for formal writing. It's a clear and professional way to express that a quantity is predetermined or unchangeable.
What's the difference between "a fixed number of" and "a limited number of"?
"A fixed number of" indicates a precise quantity, while "a limited number of" suggests that the quantity is restricted, but not necessarily precisely defined. The latter implies scarcity or restriction, whereas the former emphasizes a specific, unchanging amount.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested