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
an estimate about
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an estimate about" is not commonly used in written English and may sound awkward.
It can be used when referring to a rough calculation or judgment regarding a specific topic or subject matter, but it is better to use more standard phrasing. Example: "The report provided an estimate about the project's total cost, but it may vary."
News & Media
Science
Wiki
Alternative expressions(20)
an estimate of
an assessment of
a projection regarding
an estimate concerning
an estimate regarding
an assessment concerning
a projection pertaining to
an approximation for
a rough calculation of
a valuation concerning
an appreciation about
an estimation about
an prediction about
an amount about
an worth about
an equanimity about
an article about
an agreement about
an honesty about
an asshole about
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
23 human-written examples
For now, each deal is based on an estimate about whether the reductions will comply.
News & Media
He did not give an estimate about how many members would attend.
News & Media
Lewis explains: "At the end of the first film, we made an estimate about where we thought the cane toad would go.
News & Media
He has been continually harassed, & the telephone calls continue unabated until he finally got an estimate about removal of the brick inlay.
News & Media
Priscilla Hartwell sang in that first "Messiah," and has an estimate about when the thrill of performing at Carnegie will wear down.
News & Media
New York City officials say that snowstorms cost around $1 million an inch -- an estimate about as trustworthy as the weather forecasts in farmer's almanacs.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
It controls an estimated about 13% of the world's recoverable crude oil reserves and the world's second largest natural gas reserves.
News & Media
An engineering firm, the Saudi Arabia Engineering Consult, gave an estimate of about 2 175 km3.
(Later research produced an estimate of about twenty-seven million).
News & Media
He got an estimate of about $2,000, for some decidedly La-Z-Boy-looking pieces.
News & Media
Levy made a phone call and gave an estimate of about $2,000.
News & Media
Expert writing Tips
Best practice
For clearer and more formal writing, replace "an estimate about" with "an estimate of" or "an estimate concerning".
Common error
While understandable, relying heavily on the phrase "an estimate about" can make writing sound less polished. Vary your phrasing with synonyms like "assessment", "projection", or "calculation" for a more professional tone.
Source & Trust
86%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an estimate about" functions as a noun phrase that introduces a prediction or rough calculation regarding a specific subject. However, as Ludwig suggests, it is often better to opt for other options.
Frequent in
News & Media
40%
Science
30%
Wiki
10%
Less common in
Formal & Business
10%
Encyclopedias
5%
Academia
5%
Ludwig's WRAP-UP
In summary, while the phrase "an estimate about" is understandable, it's less preferred than alternatives like "an estimate of" or "an estimate concerning", especially in formal writing. Ludwig's analysis of various sources indicates it functions to introduce a prediction or approximation. Although its use spans different categories, it tends to be more frequent in news and media, and less frequent in academic or encyclopedia settings. It's recommended to use it with caution and consider synonymous phrases for clearer communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an estimate regarding
Replaces "about" with "regarding", providing a slightly more formal tone and focusing on the subject the estimate pertains to.
an assessment concerning
Substitutes "estimate" with "assessment" and "about" with "concerning", suggesting a more thorough evaluation.
a projection pertaining to
Uses "projection" instead of "estimate" and "pertaining to" in place of "about", implying a forecast or prediction related to a specific topic.
an approximation for
Replaces "estimate" with "approximation" and "about" with "for", suggesting a less precise calculation.
a rough calculation of
Uses "rough calculation" to indicate an imprecise estimate, focusing on the calculation aspect.
a valuation concerning
Replaces "estimate" with "valuation" and "about" with "concerning", implying a formal appraisal or judgment.
an informed guess regarding
Substitutes "estimate" with "informed guess", highlighting the speculative nature of the estimate.
a preliminary figure for
Uses "preliminary figure" to indicate that the estimate is subject to change and is not yet final.
a speculative forecast on
Replaces "estimate" with "speculative forecast", emphasizing the uncertain nature of the prediction.
an educated prediction relating to
Substitutes "estimate" with "educated prediction" and "about" with "relating to", suggesting a forecast based on knowledge and analysis.
FAQs
How can I use "an estimate about" in a sentence?
While grammatically acceptable, consider using more common alternatives. For example, instead of "The report provided an estimate about the project's total cost", try "The report provided "an estimate of" the project's total cost".
What can I say instead of "an estimate about"?
You can use alternatives like ""an estimate of"", "an assessment of", or "a projection regarding" depending on the context.
Which is correct, "an estimate about" or "an estimate of"?
"An estimate of" is generally preferred and considered more grammatically sound in most contexts. "An estimate about" is less common but understandable.
Is "an estimate about" too informal for professional writing?
While not strictly incorrect, "an estimate about" might be perceived as slightly informal. Using ""an estimate of"" or "an estimate concerning" is generally safer for professional or academic writing.
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
86%
Authority and reliability
3.8/5
Expert rating
Real-world application tested