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
this explains why
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this explains why" is correct and usable in written English.
You can use it whenever you are explaining something and want to add emphasis to why it happened or why it is the case. For example: "This new law will impose higher taxes on businesses. This explains why the cost of goods and services has been increasing."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
this clarifies the reason
this provides the rationale
this shows the reason for
this is attributable to
one of the reasons to
the basis for this is
one reason for this is
consequently
this clarifies why
one of the reason why
accordingly why
the rationale behind this is
for this reason
hence the reason
consequently why
that's why
in consequence
hence the cause
one of the reason for this
this is why
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
This explains why.
News & Media
None of this explains why.
News & Media
"This explains why there's enormous pollution".
News & Media
This explains why oil prices overshoot.
Science
This explains why I'm passionate about walking.
News & Media
This explains why parks are relaxing.
News & Media
This explains why people are livid.
News & Media
This explains why we are warm.
News & Media
This explains why AR is so powerful.
News & Media
This explains why conflicting results have appeared in the literature.
And this explains why the culture was adopted.
Encyclopedias
Expert writing Tips
Best practice
Use "this explains why" to clearly connect a cause and its effect, ensuring the relationship is easily understood by the reader.
Common error
Avoid using "this explains why" in very simple sentences where the connection is already obvious. Opt for a more concise phrasing to maintain clarity and avoid redundancy.
Source & Trust
82%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this explains why" functions as a causal connector, linking a statement or situation to its underlying reason or explanation. It introduces the cause-and-effect relationship, clarifying the connection. Ludwig AI indicates that the phrase is grammatically correct and appropriate for use.
Frequent in
News & Media
39%
Science
32%
Encyclopedias
12%
Less common in
Academia
3%
Wiki
2%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, "this explains why" is a grammatically correct and very common phrase used to introduce a cause or reason. As Ludwig AI confirms, it's a suitable connector for clarifying cause-and-effect relationships across various contexts. Predominantly found in "news & media", "science", and "encyclopedias", it serves to provide clear and direct explanations. While versatile, avoiding overuse in simple sentences ensures more impactful writing. For alternatives, consider "this clarifies the reason" or "this shows the reason for" to tailor the tone to your specific needs.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
this shows the reason for
Replaces 'explains why' with a simpler, more direct way of indicating the reason.
this clarifies the reason
Substitutes 'explains' with 'clarifies' focusing on making the reason more understandable.
hence, this is the reason
Uses "hence" to formally introduce the reason, emphasizing a logical consequence.
this provides the rationale
Replaces 'explains' with 'provides the rationale', suggesting a more formal or reasoned explanation.
this underlines the reason
Highlights or emphasizes the reason, suggesting it's a key point to understand.
this elucidates the cause
Uses 'elucidates' to emphasize the clarification of the underlying cause.
this accounts for the outcome
Focuses on explaining the resulting outcome, using 'accounts for' to highlight the causative link.
this justifies the fact that
Suggests that what follows provides a justification or validation for a certain fact.
this is attributable to
Emphasizes that something can be attributed or traced back to a specific cause.
this is consequent to
Indicates that something is a direct consequence or result of a preceding event.
FAQs
How can I use "this explains why" in a sentence?
Use "this explains why" to introduce the reason or cause behind a particular situation or outcome. For example: "The company's profits declined this quarter. This explains why they are cutting costs."
What are some alternatives to "this explains why"?
You can use alternatives such as "this clarifies the reason", "this provides the rationale", or "this shows the reason for" depending on the context.
Is it always necessary to use "this explains why" to show causation?
No, it's not always necessary. Sometimes a simpler construction like "because" or "due to" can effectively convey the same meaning without being overly verbose. The best option depends on the specific context and desired emphasis.
What's the difference between "this explains why" and "this is why"?
"This explains why" emphasizes the explanation or reasoning behind something, while "this is why" simply points to the reason. The former is often used when providing a more detailed or insightful explanation.
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
4.6/5
Expert rating
Real-world application tested