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
surprised at how
Grammar usage guide and real-world examplesUSAGE SUMMARY
"surprised at how" is a correct and usable part of a sentence in written English.
It can be used to express surprise about the manner or degree of something. For example: "I was surprised at how quickly he finished the race."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(18)
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
60 human-written examples
I'm surprised at how happy I am.
News & Media
"We're surprised at how easy it's been".
News & Media
I'm surprised at how much I've saved.
News & Media
"I was very surprised at how emotional they were.
News & Media
It might be surprised at how much it will accomplish.
News & Media
Luda herself was surprised at how well it came out.
News & Media
I was surprised at how strong and professional he was.
News & Media
They were surprised at how many possibilities they found there.
News & Media
I was surprised at how soft-spoken he was.
News & Media
He was surprised at how good it was.
News & Media
You are surprised at how hollowed out you feel.
News & Media
Expert writing Tips
Best practice
Use "surprised at how" when you want to express your astonishment about the manner, degree, or extent of something. It's suitable for conveying a range of emotions from mild surprise to strong amazement.
Common error
While "surprised at how" is a valid and common phrase, avoid using it excessively in your writing. Vary your sentence structure and vocabulary by using alternatives like "astonished by how" or "amazed by how" to maintain reader engagement.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "surprised at how" functions as an adjectival phrase, modifying a subject to express a feeling of astonishment or unexpectedness regarding the manner or degree of a situation or action. Ludwig AI confirms this is correct and usable in written English.
Frequent in
News & Media
58%
Wiki
23%
Science
19%
Less common in
Encyclopedias
1%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "surprised at how" is a grammatically sound and versatile phrase used to express astonishment or unexpectedness concerning the manner or degree of something. As indicated by Ludwig AI, its common usage across various reliable sources like The New York Times and The Guardian confirms its validity. While it is most frequently found in news and media contexts, it's also appropriate for a range of other communication scenarios. Remember to vary your vocabulary by using alternatives to avoid repetition and maintain reader engagement, such as "astonished by how" or "amazed by how". By considering these nuances, you can effectively incorporate the phrase "surprised at how" into your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
astonished by how
Similar to 'surprised at how', but implies a greater degree of amazement or disbelief.
amazed by how
Indicates a strong feeling of wonder and delight, rather than simple surprise.
taken aback by how
Suggests a sudden and unexpected surprise, often with a slightly negative connotation.
impressed by how
Highlights a positive reaction of admiration in addition to surprise.
shocked by how
Implies a strong emotional reaction, often due to something unexpected and unpleasant.
startled by how
Focuses on the suddenness and unexpected nature of the surprise.
caught off guard by how
Emphasizes the unpreparedness of the person experiencing the surprise.
never imagined how
Expresses a complete lack of anticipation or expectation.
didn't expect how
A more direct and straightforward way of expressing a lack of anticipation.
it's astonishing how
Shifts the focus to the surprising aspect itself, rather than the person experiencing it.
FAQs
How can I use "surprised at how" in a sentence?
You can use "surprised at how" to express astonishment about a particular aspect or degree of something. For example, "I was "surprised at how" easy the test was" or "She was "surprised at how" quickly he finished the project".
What are some alternatives to "surprised at how"?
You can use alternatives like "astonished by how", "amazed by how", or "taken aback by how" depending on the nuance you want to convey.
Is it correct to say "surprised by how" instead of "surprised at how"?
Both "surprised at how" and "surprised by how" are grammatically acceptable. However, "surprised at how" is more commonly used to express surprise about the manner or degree of something, while "surprised by how" might refer to the cause of surprise.
What's the difference between "surprised at how" and "surprised that"?
"Surprised at how" focuses on the manner or extent of something, while "surprised that" introduces a complete clause expressing the surprising fact. For example, "I was "surprised at how" well he played" (manner) versus "I was surprised that he played so well" (fact).
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested