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
one of two
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "one of two" is a perfectly valid and commonly used phrase in written English.
For example, you could say "I chose one of two options available to me".
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
each of the two
either of the two
a choice between two
either of both of these
two possibilities exist
either of the
one or the other
one of these
both
1 or 2
any one of the two
none of two
one or other of the two
it was one of the two
one of several
one or the other of the two
any of the two
either alternative
neither of the two
one of the two
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
60 human-written examples
One of two things happens.
News & Media
Usually in one of two ways.
News & Media
One of two options seems likely.
News & Media
Part one of two.
It's one of two".
News & Media
PROFESSOR: One of two possibilities.
Order one of two burgers.
News & Media
Well, one of two anyway.
News & Media
Ingles hits one of two.
News & Media
He makes one of two!
News & Media
Pau gets one of two.
News & Media
Expert writing Tips
Best practice
Use "one of two" to clearly indicate that there are only two options or possibilities, avoiding ambiguity. For instance, "The solution involves one of two approaches: direct intervention or indirect support."
Common error
Avoid using "one of two" when there are more than two options available. This can mislead the reader into thinking there are only two possibilities when, in fact, there are more.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "one of two" functions as a determiner phrase or adjectival phrase, clarifying that there are precisely two options or possibilities available. Ludwig AI confirms the phrase's grammatical correctness and common usage.
Frequent in
News & Media
43%
Academia
31%
Science
13%
Less common in
Wiki
7%
Encyclopedias
2%
Formal & Business
1%
Ludwig's WRAP-UP
In summary, the phrase "one of two" is a common and grammatically sound way to indicate a choice or possibility from a set of exactly two options. Ludwig AI confirms its wide acceptance and correct usage. It appears most frequently in news and media, academic, and scientific contexts, serving to clarify and focus discussions. When using this phrase, ensure there are truly only two options to avoid misleading your audience. Alternative phrases such as "either of the two" or "one or the other" can provide slight variations in emphasis while maintaining similar meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
either of the two
Focuses on the selection from the pair, emphasizing either option's possibility.
one or the other
Highlights the mutual exclusivity of the two options.
a choice between two
Emphasizes the existence of a decision to be made between two items.
selecting from two options
Highlights the act of selecting between the two.
a binary choice
Presents the selection as a decision between two options in computing or mathematics.
one alternative of two
Focuses on alternatives when choosing.
a dual option
Highlights the presence of two available possibilities.
picking between two
Informal way of expressing the act of selecting between two items.
a selection of two
Highlights the act of choosing from a limited set of two.
two possibilities exist
Emphasizes the presence of only two existing choices.
FAQs
How can I use "one of two" in a sentence?
Use "one of two" to indicate that there are exactly two options or possibilities, such as "One of two outcomes is likely: success or failure."
What are some alternatives to "one of two"?
You can use alternatives like "either of the two", "one or the other", or "a choice between two" depending on the context.
Is it grammatically correct to say "one of two"?
Yes, "one of two" is grammatically correct and commonly used to indicate a selection or possibility from exactly two options.
What's the difference between "one of two" and "one of several"?
"One of two" indicates there are only two options, while "one of several" implies there are more than two options available.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested