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
that why because
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that why because" is not correct and usable in written English.
It appears to be a combination of phrases that do not form a coherent expression. Example: "I didn't attend the meeting, and that why because I was unwell."
⚠ May contain grammatical issues
Alternative expressions(20)
the point being that
the irony being that
this is a result of
based on the fact
the premise being that
because of the facts that
this is because
because although
whereas
because
for the occasion that
this is due to
by the fact that
that's because
that exactly because
the argument being that
that was because
the rationale is
considering the fact that
based on the consideration that
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
"We haven't had too many bad halves this season but we haven't got enough points and that's why, because we have halves like that".
News & Media
And that is why, because of our peer to peer approach, it's easier to open up to us.
News & Media
You never ask questions that begin with "why," because their answers could point to blame.
News & Media
Why? Because, that's why.
News & Media
Why? "Because that's my fasting day," Sharma says.
News & Media
"Why?" "Because that's what people do".
News & Media
Consider the what rather than the why, because that is often good enough".
News & Media
That's what we need!" Why? "Because the smart people are too dangerous.
News & Media
Why? Because, well, that's where the money is.
News & Media
I'm totally stunned by that, because why on earth would we?
News & Media
I'm kind of pissed off about that, because why wouldn't you be, for fuck's sake.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "that why because". Instead, use grammatically correct alternatives such as "that's why" or "that's because" to clearly express cause and effect in your writing.
Common error
Do not combine "that why" and "because" in one phrase. This creates a redundant and grammatically incorrect construction. Choose either "that's why" to introduce a result or "because" to introduce a reason.
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that why because" does not serve a clear grammatical function in English. It combines elements that introduce a result ("that why") with a conjunction that introduces a cause ("because"), resulting in an ungrammatical construction. Ludwig AI confirms this assessment.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "that why because" is grammatically incorrect and should be avoided in both written and spoken English. As indicated by Ludwig AI, it's not a usable phrase. Instead, opt for clearer and more grammatically sound alternatives such as "that's why" or "that's because", which accurately convey cause-and-effect relationships. These alternatives ensure effective communication across various contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that's why
More concise and grammatically correct way to indicate a reason.
that's because
Introduces an explanation or cause.
that is the reason why
A more formal way to express the same idea, adding emphasis.
the reason is that
States a reason in a clear and direct manner.
that explains why
Highlights the explanatory nature of the following statement.
that's the cause of
Identifies a cause-and-effect relationship.
that's attributable to
Attributes something to a specific cause or factor.
hence
A formal way to indicate a consequence or result.
therefore
Indicates a logical conclusion or result.
consequently
Highlights that something is a result or consequence.
FAQs
What is the correct way to express cause and effect if I am tempted to say "that why because"?
Instead of using the incorrect phrase "that why because", opt for clearer and grammatically sound alternatives such as "that's why" or "that's because". These options accurately convey the relationship between cause and effect.
Is "that why because" ever considered grammatically acceptable?
No, "that why because" is not considered grammatically acceptable in standard English. It's a combination of phrases that doesn't form a coherent expression and should be avoided in formal and informal writing.
What's the difference between "that's why" and "that's because"?
"That's why" introduces the result or consequence of something, while "that's because" introduces the reason or cause. For example, "It was raining; that's why I took an umbrella" (result) versus "I took an umbrella; that's because it was raining" (reason).
Can I use "that why because" in informal conversation?
While language rules can be more relaxed in informal speech, it's best to avoid "that why because" even in conversation, as it may sound confusing or uneducated. Using correct alternatives like "that's why" or "that's because" will ensure clear communication.
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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
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested