that is because

USAGE SUMMARY

The phrase "that is because" is correct and usable in written English.
You can use it when you want to explain why something is the way it is. Example sentence: I don't like going to the beach that often, that is because it's too hot and there are too many people.

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

That is because: that is bullshit.

Vice

That is because the economy is worsening.

The Economist

That is because two-party politics works.

Independent

That is because I adore polenta.

Independent

"That is because its time has come".

The New York Times

That is because she never met "someone".

The New York Times

That is because his record is mixed.

The Economist

That is because Pres.

The New Yorker

That is because it was only 27 years ago.

The New York Times

That is because the E.T.F.

The New York Times

That is because under W.T.O.

The New York Times

Expert writing Tips

Best practice

When writing, consider the tone and formality of your audience. While "that is because" is generally acceptable, more formal contexts may benefit from alternatives like "the reason is that" or "this is due to".

Common error

Avoid using "that is because" repeatedly within a short passage. Vary your sentence structure and explanatory phrases by incorporating alternatives like "therefore", "as a result", or "this stems from" to improve readability and stylistic flow.

Linguistic Context

The primary grammatical function of "that is because" is as a causal connector. It introduces a subordinate clause that provides an explanation or reason for the preceding main clause. Ludwig provides numerous examples demonstrating its use in linking statements with their justifications.

Expression frequency: Very common

Frequent in

News & Media

55%

Science

35%

Formal & Business

5%

Less common in

Encyclopedias

1%

Wiki

1%

Reference

3%

Ludwig's WRAP-UP

In summary, "that is because" functions as a common and grammatically sound causal connector, used to introduce explanations or reasons. While highly frequent across various sources, including news and media, scientific publications, and formal business communications, alternatives may be preferred in highly formal contexts. Ludwig AI confirms its correctness and provides ample examples to illustrate its function. Overuse in close proximity can be mitigated by using synonyms like "the reason is", "this is due to", or restructuring sentences. Therefore, writers should consciously evaluate if "that is because" suits the tone and purpose of their writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

it's because

A more informal contraction of "it is because".

that's why

Uses a more concise and direct structure to indicate causation.

the reason is

Emphasizes the reason as the focal point of the explanation.

that is the reason

Highlights the explanation as the core piece of information.

this is due to

Formal and often used in scientific or technical contexts to indicate cause.

therefore

Indicates a logical conclusion based on preceding information.

this stems from

Suggests a deeper origin or source of the situation.

as a result

Focuses on the outcome or effect of the cause.

hence

A formal and concise way to indicate consequence or result.

consequently

Similar to "therefore" but often used in more formal writing.

FAQs

How can I use "that is because" in a sentence?

Use "that is because" to introduce the reason or explanation for a preceding statement. For example: "I enjoy hiking, "that is because" it allows me to connect with nature".

What are some alternatives to "that is because"?

Depending on the context, you can use alternatives like "the reason is", "this is due to", "it's because", or "that's why".

Is it more appropriate to use "that is because" or "because" at the beginning of a sentence?

While starting a sentence with "because" is grammatically acceptable, using "that is because" to begin a sentence is less common. It's generally clearer and more concise to place the "because" clause at the end of the main clause.

What is the difference between "that is because" and "that is why"?

"That is because" introduces the reason for something, while "that is why" introduces the consequence or result. For example: "The road was icy, "that is because" of the recent snowfall." (reason) vs. "The road was icy, "that is why" there were many accidents." (result).