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
On paper
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "On paper" is correct and usable in written English.
It is typically used to describe a situation or idea that looks good in theory but may not work out in practice. Example: "The plan seems perfect on paper, but we need to consider the potential challenges we might face during implementation."
✓ Grammatically correct
News & Media
Wiki
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
On paper.
News & Media
On paper, at least.
News & Media
On paper, this sounds great.
News & Media
"On paper," Mr. Colle added.
News & Media
On paper, competition should flourish.
News & Media
On paper, they are neutral.
News & Media
On paper, it's common sense.
News & Media
On paper, it's no contest.
News & Media
On paper, sure.
News & Media
On paper, it looks great.
News & Media
On paper things look good.
News & Media
Expert writing Tips
Best practice
When using "On paper", consider immediately contrasting it with the actual outcome or practical challenges to create a more impactful statement.
Common error
Avoid solely relying on "On paper" assessments without thoroughly considering real-world implications. Always provide a balanced perspective by acknowledging potential practical limitations.
Source & Trust
78%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "On paper" functions as an adverbial phrase, modifying a verb or clause to indicate that something is true in theory or according to a plan, but not necessarily in practice. As Ludwig shows, it often highlights a contrast between idealized plans and real-world outcomes.
Frequent in
News & Media
68%
Wiki
16%
Encyclopedias
6%
Less common in
Formal & Business
5%
Science
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "On paper" is a versatile idiom used to highlight the difference between theoretical ideals and practical realities. According to Ludwig, it is grammatically correct and frequently used in various contexts, especially in News & Media. It serves as an adverbial phrase, qualifying a statement to suggest that the actual outcome might differ from what is planned or expected. When employing "On paper", ensure to contrast it with real-world implications to provide a balanced perspective. Its alternatives include "in theory", "in principle", and "according to the plan", each bringing a slightly different nuance. The phrase, though common, should be used judiciously to add depth and nuance to your writing, preventing over-reliance on theoretical evaluations without real-world consideration.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
In theory
This alternative focuses specifically on the theoretical aspect of something.
In principle
This alternative underscores a basic truth, assumption or idea.
According to the plan
This alternative emphasizes adherence to a predetermined plan or design.
In the abstract
This alternative describes something removed from concrete realities.
As documented
This alternative highlights the official record or documentation of something.
As per the records
This alternative focuses on information derived from official records or data.
In black and white
This alternative emphasizes that something is written, often implying it's official or unchangeable.
On the face of it
This alternative means based on initial appearances or a superficial assessment.
Nominally
This alternative highlights the difference between what is claimed or named and what truly exists.
Based on assumptions
This alternative stresses that something relies on specific assumptions that may not hold true.
FAQs
How can I use "On paper" in a sentence?
You can use "On paper" to contrast a theoretical plan with its practical application, for example: "The budget looks balanced "on paper", but unforeseen expenses could easily disrupt it."
What's an alternative to "On paper"?
Alternatives include "in theory", "in principle", or "according to the plan" depending on the specific context you want to convey.
Is it correct to say 'on the paper' instead of "On paper"?
While "on the paper" can be grammatically correct in certain contexts (e.g., "draw something on the paper"), it is not interchangeable with the idiomatic expression "On paper", which means 'in theory' or 'according to plans'. Using "on the paper" when you mean "On paper" would be incorrect.
What is the difference between "On paper" and "in reality"?
"On paper" describes a situation or plan as it appears theoretically or as it is documented, while "in reality" describes the actual situation, which may be different from what is expected or planned. They are often used together to highlight this contrast.
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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
78%
Authority and reliability
4.5/5
Expert rating
Real-world application tested