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
which is based on
Grammar usage guide and real-world examplesUSAGE SUMMARY
"which is based on" is a correct and usable phrase in written English.
You can use it when referring to something that is derived from or founded on something else. For example, "He designed a new teaching curriculum which is based on best teaching practices."
✓ Grammatically correct
News & Media
Academia
Science
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
The claim, which is based on flimsy evidence, takes one more step toward annealed, common wisdom.
News & Media
One method is fee-based services, which is based on total assets being managed.
News & Media
Which is based on my own story.
News & Media
(DBC), which is based on the Deutsche Bank Liquid Commodity Index.
News & Media
We have two systems an economic system, which is based on inequality, and a political system, which is based on equality.
Academia
"You've got that Chicago economy, which is based on multiple industries and has really taken off.
News & Media
He thinks hard, perhaps too hard, even about that which is based on pleasure.
News & Media
Google has developed Google TV, which is based on the Chrome web browser.
News & Media
More recently, many switched to VeraCrypt, which is based on TrueCrypt 7.1a.
News & Media
Jake Arnott's novels include He Kills Coppers, which is based on the life of Harry Roberts.
News & Media
Overseas, I recommend Ryan Air in Dublin, which is based on the Southwest model.
News & Media
Expert writing Tips
Best practice
When using "which is based on", ensure that the relationship between the subject and its foundation is clear to avoid ambiguity. For example, clarify what specific elements are derived or influenced.
Common error
Avoid overstating the degree of dependence. Using "which is based on" implies a fundamental relationship, so ensure that the connection is substantial and not merely superficial.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which is based on" functions as a relative clause introducing a prepositional phrase. It modifies a noun by providing information about the foundation or origin of that noun. As Ludwig confirms, this structure is grammatically correct.
Frequent in
News & Media
40%
Academia
35%
Science
20%
Less common in
Formal & Business
2%
Encyclopedias
2%
Reference
1%
Ludwig's WRAP-UP
The phrase "which is based on" is a versatile and grammatically sound construction used to express the foundation or origin of a subject. Ludwig's examples show its prevalence across diverse contexts, including news, academia, and science. The phrase is categorized as having a neutral register, making it appropriate for both formal and informal communication. As Ludwig AI confirms, the construction is correct, and its frequent use underscores its importance in articulating the basis for ideas, systems, or creations. When using this phrase, clarity is key to ensure the reader understands the relationship between the subject and its foundation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that is grounded in
Highlights a firm foundation or basis in a particular principle or fact.
that is founded upon
Emphasizes the establishment of something on a particular base or principle.
that stems from
Indicates origin or source, slightly emphasizing the development from a particular point.
that derives from
Highlights the origin or extraction of something from a source.
that is rooted in
Implies a deep and fundamental connection to an origin or cause.
that originates in
Focuses on the place or point where something begins or arises.
that relies upon
Emphasizes dependence on something else as a necessary condition.
that is predicated on
Indicates that something is affirmed or based on certain conditions or assumptions.
which draws on
Suggests utilizing something as a resource or influence
that hinges on
Suggests that the outcome or validity depends critically on a specific factor.
FAQs
How can I use "which is based on" in a sentence?
Use "which is based on" to describe something whose existence, validity, or characteristics depend on something else. For example, "The movie, which is based on a true story, was a critical success."
What are some alternatives to "which is based on"?
You can use alternatives like "that stems from", "that derives from", or "that is grounded in" depending on the nuance you want to convey.
Is it correct to say "that is based on" instead of "which is based on"?
Yes, "that is based on" is often interchangeable with "which is based on", but "which" is generally used in nonrestrictive clauses, providing additional information, whereas "that" is used in restrictive clauses, essential to the sentence's meaning.
What is the difference between "which is based on" and "which relies on"?
"Which is based on" indicates a foundation or origin, while "which relies on" suggests a dependence for proper functioning or existence. The former describes the basis, the latter the sustenance.
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested