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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
all in one
Grammar usage guide and real-world examplesUSAGE SUMMARY
"all in one" is a correct and usable phrase in written English.
You can use it to describe something that is comprised of multiple elements in a single item. For example, you might say, "She purchased a new laptop that has a camera, microphone, and speakers all in one."
✓ Grammatically correct
News & Media
Science
Wiki
Encyclopedias
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
12 human-written examples
Testing was done blinded and all in one session.
Science
Not to read all in one day.
News & Media
All in one place.
News & Media
"All in one day".
News & Media
All in one sentence.
News & Media
All in one.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
48 human-written examples
Meanwhile, a GPC fault occurs on all-in-one device5.
Meanwhile, a sampling fault occurs on all-in-one device5, and all-in-one device4 finish overwriting.
Each one promises to be the "all-in-one" answer.
News & Media
www.the-all-in-one-company.co.uk 6.
News & Media
But Stella's all-in-ones are wearable.
News & Media
Expert writing Tips
Best practice
Apply this phrase to emphasize convenience and the elimination of separate, redundant components.
Common error
Avoid using the hyphenated form "all-in-one" when the phrase is describing location or timing rather than a specific product type. For instance, write "we are all in one room" rather than "we are all-in-one room".
Source & Trust
84%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
In written English, "all in one" primarily functions as an adjective phrase or an adverbial phrase. According to Ludwig AI, it is frequently used to denote a multi-purpose entity. In its hyphenated form, it modifies nouns to indicate a consolidated product (e.g., an all-in-one device). Without hyphens, it often clarifies that multiple subjects or objects are occupying the same state, time, or location.
Frequent in
News & Media
65%
Science
15%
Wiki
10%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "all in one" is a versatile and widely accepted expression in modern English. Analysis from Ludwig AI shows that it is particularly prevalent in technology and news contexts, where it describes the consolidation of features or locations. The most critical distinction for writers is the use of hyphens: use them when the phrase acts as a compound adjective preceding a noun and omit them when it functions as a prepositional phrase. Whether used to describe a multifunction printer or a group of people in a single room, the phrase effectively communicates the concept of unity and convenience.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
integrated
Focuses more on the technical blending of components rather than the convenience of the package.
all-inclusive
Commonly used in travel or service contexts to indicate that everything is covered in one price.
multifunction
Specifically denotes an object that can perform several different tasks or roles.
all-encompassing
Emphasizes the breadth and total coverage of a solution or idea.
bundled
Suggests several distinct items sold or provided together as a single unit.
consolidated
Implies that previously separate elements have been merged for efficiency.
unified
Suggests a singular, harmonious system rather than just a collection of features.
versatile
Describes the ability to adapt to many functions without necessarily being a single physical unit.
comprehensive
Refers to the thoroughness of a product or service including all necessary elements.
plug-and-play
Specific to technology, highlighting the ease of use and immediate integration.
FAQs
How to use "all in one" in a sentence?
You can use it to describe a single item that serves multiple purposes. For example, "This software provides a calendar, email, and task manager <a href="/s/all+in+one" target="_blank" rel="alternative">all in one."
Is it "all in one" or "all-in-one"?
Both are correct depending on the grammar. Use <a href="/s/all-in-one" target="_blank" rel="alternative">all-in-one with hyphens when it is an adjective before a noun, like an all-in-one computer. Use it without hyphens as a standalone phrase, such as 'they are all in one pile'.
What can I say instead of "all in one"?
You can use alternatives like <a href="/s/multifunction" target="_blank" rel="alternative">multifunction, <a href="/s/integrated" target="_blank" rel="alternative">integrated, or <a href="/s/all-inclusive" target="_blank" rel="alternative">all-inclusive depending on the context.
What is the difference between "all in one" and "integrated"?
While <a href="/s/integrated" target="_blank" rel="alternative">integrated implies that parts are blended together into a system, "all in one" often focuses on the physical convenience of having multiple features in a single package.
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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
84%
Authority and reliability
4.8/5
Expert rating
Real-world application tested