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 is used in written English.
It is typically used to refer to something that looks good or is theoretically positive but has yet to be tested in practice. For example, "Their plan sounds great on paper, but let's see how it works in the real world."
✓ Grammatically correct
News & Media
Wiki
Encyclopedias
Alternative expressions(20)
in print form
expressed in writing
in hard copy
as a physical document
as a matter of record
in bullet form
by the book
in printed format
in printed form
in note form
in replicated form
in principle
in list form
theoretically speaking
in essay form
in monograph form
in writing
in manuscript form
in writing form
in integrated form
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
Maybe on paper.
News & Media
But only on paper.
News & Media
Only on paper.
News & Media
"But that's on paper.
News & Media
On paper, at least.
News & Media
It's on paper.
News & Media
Dry on paper towels.
News & Media
"Plans seem perfect on paper.
News & Media
On paper, this sounds great.
News & Media
It sounds great on paper.
News & Media
Expert writing Tips
Best practice
Use "on paper" to highlight the contrast between a plan or idea and its practical implementation. It's effective for pointing out potential discrepancies between theory and reality.
Common error
Avoid using "on paper" in casual conversations where a simpler phrase like "in theory" or "in writing" would suffice. Overusing it can make your speech sound overly formal or pretentious.
Source & Trust
82%
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 the basis of an assessment or judgment. Ludwig AI's analysis confirms this usage, highlighting the contrast between theoretical plans and practical realities. The examples provided illustrate its role in qualifying statements and expressing skepticism about outcomes.
Frequent in
News & Media
58%
Wiki
23%
Encyclopedias
3%
Less common in
Science
16%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "on paper" is a versatile adverbial phrase used to qualify statements and express reservations about plans and ideas. As Ludwig AI confirms, it highlights the contrast between theoretical possibilities and practical realities. With a neutral register and very common usage across various sources, particularly in news and media, it's a valuable tool for analytical and evaluative writing. Remember to consider the context when using "on paper" and to avoid overusing it in informal settings. Phrases like "in theory" or "in principle" can serve as alternatives depending on the specific nuance you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
theoretically speaking
Directly indicates something is being discussed from a theoretical perspective
in theory
Focuses solely on the theoretical aspect, omitting the physical documentation aspect.
in principle
Similar to "in theory", emphasizing the adherence to rules or principles.
according to plan
Highlights the planning stage, suggesting a pre-determined course of action that may or may not be realised.
as documented
Emphasizes the existence of written records, potentially lacking the element of unrealized potential.
in black and white
Highlights the written or printed form, emphasizing clarity and definiteness but without theoretical implication.
on the record
Focuses on information officially registered, potentially without the aspect of theoretical planning.
as a matter of record
Implies that information is documented and factual, often used in legal or official settings.
in writing
Simply indicates that something is written down, lacking the connotation of planning or theoretical possibility.
by the book
Implies that rules and procedures have been strictly followed, sometimes to an excessive degree.
FAQs
How can I use "on paper" in a sentence?
You can use "on paper" to describe something that seems promising in theory but might not work out in practice. For example, "The project looks great "on paper", but we need to consider the logistical challenges."
What does "on paper" mean?
"On paper" means something appears to be true or feasible based on written plans or theoretical considerations, but the actual outcome may differ. It often implies a potential gap between planning and execution.
What are some alternatives to "on paper"?
Alternatives include "in theory", "in principle", or "as documented". The best choice depends on the specific context and the nuance you want to convey.
Is it better to say "on paper" or "in theory"?
Both phrases are similar, but "on paper" specifically refers to something documented or planned, while "in theory" is more general and applies to any abstract idea. Choose "on paper" when referring to written plans or proposals.
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