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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
at how
Grammar usage guide and real-world examplesUSAGE SUMMARY
'at how' is not correct and usable in written English.
You cannot use it. A correct and usable sentence in written English might be, "I marveled at how quickly the car sped away."
⚠ May contain grammatical issues
News & Media
Science
Formal & Business
Wiki
Alternative expressions(3)
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
59 human-written examples
At how much salary?
News & Media
Look at how this correlates.
News & Media
Look at how he is.
News & Media
Just look at how they are dressed".
News & Media
I looked at how we lost.
News & Media
"Look at how I was treated.
News & Media
Look at how dramatically things have changed.
News & Media
"Look at how the season went.
News & Media
At HOW much is the collection valued?
News & Media
Look at how pretty Italy is!
News & Media
Thames marveled at how he was back.
News & Media
Expert writing Tips
Best practice
Avoid using "at how" in formal writing. Opt for more grammatically correct alternatives such as "regarding how" or "in terms of how".
Common error
Using "at how" often results in grammatically incorrect sentences. Double-check your sentence structure and choose more appropriate prepositions like "regarding", "concerning", or "in terms of" to ensure clarity and correctness.
Source & Trust
77%
Authority and reliability
2.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at how" functions as an incorrect prepositional phrase attempting to introduce a clause explaining the manner or degree to which something occurs. As Ludwig AI states, "at how" is not considered correct in written English.
Frequent in
News & Media
37%
Wiki
34%
Formal & Business
13%
Less common in
Science
15%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "at how" is frequently encountered but deemed grammatically incorrect by Ludwig AI. While common across various sources, including news and informal content, it should be avoided in formal writing. Alternatives such as "regarding how", "in terms of how", and "concerning how" offer grammatically sound options. Ludwig AI recommends these substitutions to ensure clarity and correctness in your writing, as "at how" does not conform to standard English grammar.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
regarding how
Emphasizes the manner or way in which something is done, similar to focusing on the process.
in terms of how
Highlights a specific aspect or condition being considered.
with regard to how
Offers a slightly more formal way to introduce a discussion about the manner of something.
concerning how
Similar to "regarding how", but can also imply a sense of relevance or importance.
in relation to how
Focuses on the connection or link between different aspects of a process.
pertaining to how
Suggests relevance or connection to the method of an action.
relative to how
Highlights the comparison between different ways of doing something.
respecting how
Acknowledges the method or approach taken in a situation.
about how
More direct and informal, used to inquire about the way something is done.
on the subject of how
Introduces a specific topic related to the manner or method of something.
FAQs
When is it appropriate to use the phrase "at how"?
The phrase "at how" is generally considered grammatically incorrect in standard English. It's better to use phrases like "regarding how" or "in terms of how" depending on the context.
What are some alternatives to using "at how" in a sentence?
Instead of "at how", you can use phrases like "regarding how", "in terms of how", or "concerning how". These alternatives are more grammatically sound and widely accepted. For example, instead of "Look at how they act" you can use the alternative "look at their behavior".
Is there a difference in meaning between "at how" and "regarding how"?
While both phrases attempt to address the manner in which something occurs, "at how" is not grammatically correct. "Regarding how" is a better alternative. Consider using "in relation to how" as well.
How can I correct a sentence that incorrectly uses "at how"?
To correct a sentence using "at how", replace it with a grammatically correct phrase such as "regarding how", "in terms of how", or "concerning how". Ensure the revised sentence maintains the original meaning while adhering to standard English grammar. Also consider the usage of "with regard to how".
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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
77%
Authority and reliability
2.2/5
Expert rating
Real-world application tested