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 is about
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that is about" is a valid and commonly used phrase in written English.
It can be used to provide more information about something that has just been mentioned. For example: "My sister loves to bake cakes, that is about the only hobby she has."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(6)
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
38 human-written examples
We think that is about right.
News & Media
He thinks that is about right.
News & Media
That is about £70.
News & Media
That is about 1.5% of global GDP.
News & Media
In part that is about bad data.
News & Media
It's a campaign that is about action.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
22 human-written examples
That's about right.
News & Media
That's about £15.
News & Media
That's about nationality.
News & Media
That's about lyrics.
News & Media
And that was about that.
News & Media
Expert writing Tips
Best practice
Use "that is about" to provide a concise explanation or summary of a complex topic, especially when transitioning between ideas.
Common error
Avoid using "that is about" when introducing a completely new and unrelated topic. Ensure it logically follows from the preceding statement to maintain coherence.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that is about" functions as a linking phrase, clarifying or summarizing a preceding statement. As Ludwig AI confirms, it adds explanatory detail, providing further context or explanation to something already mentioned. Examples in the provided text show it being used to give estimations, explain actions, or define concepts.
Frequent in
News & Media
70%
Wiki
15%
Science
15%
Less common in
Formal & Business
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "that is about" is a versatile and commonly used construction that serves primarily to clarify, summarize, or provide additional context to a preceding statement. As Ludwig AI highlights, it is grammatically correct and can be found in various types of writing, though primarily within News & Media, as well as Wiki, and Science. While alternatives exist, "that is about" offers a direct and concise way to elaborate on a given subject, making it a valuable tool for effective communication. Remember that using this phrase correctly consists of following a logical flow from the sentence before. It's a great way to add detail, explanation or context about the subject already mentioned.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that concerns
Focuses on the topic or subject matter involved.
that is relevant to
Indicates a connection or importance to something.
that relates to
Emphasizes a connection or association with something.
that has to do with
Expresses a less formal way of indicating a connection or relationship.
that's regarding
Offers a slightly more formal alternative, indicating the topic under discussion.
it's connected to
Informal way of indicating a relationship.
it pertains to
Highlights the relevance or applicability of something.
that centers on
Emphasizes the main focus or subject.
that involves
Stresses the inclusion of something within a larger context.
that is in connection with
Highlights the relationship with something else.
FAQs
How can I use "that is about" in a sentence?
Use "that is about" to elaborate on a previously mentioned subject, providing a summary or further detail. For example, "The project aims to reduce carbon emissions; "that is about" creating a sustainable future".
What are some alternatives to using "that is about"?
You can use alternatives such as "that concerns", "that relates to", or "it pertains to" depending on the context.
Is it correct to start a sentence with "that is about"?
Starting a sentence with "that is about" is grammatically correct, particularly when it connects to the preceding sentence or idea. It serves to clarify or provide additional context.
What's the difference between "that is about" and "that's about"?
"That is about" is the full, more formal version, while "that's about" is a contraction. Both are generally interchangeable, though "that is about" may be preferred in formal writing.
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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
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested