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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
margin by which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "margin by which" is correct and usable in written English.
It is typically used to refer to the difference or extent of something, often in a comparative context. Example: "The margin by which she won the election was surprisingly large, indicating strong support from the community."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
60 human-written examples
The margin by which the measure passed was itself a statement.
News & Media
The margin by which these multiple catastrophes were averted could scarcely have been narrower.
News & Media
Just for kicks, here's the margin by which Clinton leads nationally.
News & Media
(Interestingly, this is the exact margin by which George W. Bush defeated John Kerry in 2004).
News & Media
That's little changed over the 3pt margin by which respondents said they voted for Republicans in 2012.
News & Media
By coincidence, that was almost precisely the margin by which the President defeated Mitt Romney in the state.
News & Media
Lowering the vote margin by which a school's teachers must approve such an arrangement would offer some flexibility.
News & Media
Is the paint on a rugby post the sort of margin by which a nine-month campaign should be decided?
News & Media
To become law, the tax would have to be approved by the same margin by which Measure 93 itself passed.
News & Media
The slim margin by which Mayor Michael R. Bloomberg was re-elected was the biggest surprise on Tuesday night.
News & Media
Democrats were up by 0.8pt in registered voter polls – the same margin by which they won the House vote.
News & Media
Expert writing Tips
Best practice
Use "margin by which" when you want to emphasize the specific amount or degree of difference between two values or outcomes. For clarity, ensure the context clearly identifies what is being compared.
Common error
Avoid using "margin by which" in situations where a simple comparison is sufficient. Overusing the phrase can make your writing sound unnecessarily complex. Instead, opt for more direct language when the specific margin isn't crucial to the message.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "margin by which" functions as a prepositional phrase that modifies a noun or verb, indicating the extent or degree of difference. As Ludwig AI confirms, it's used to specify the amount by which one thing exceeds or falls short of another, often in comparative contexts. Examples from Ludwig illustrate its use in election results, performance metrics, and other quantifiable differences.
Frequent in
News & Media
86%
Science
8%
Encyclopedias
3%
Less common in
Formal & Business
1%
Reference
1%
Wiki
0%
Ludwig's WRAP-UP
The phrase "margin by which" is a grammatically sound and frequently used prepositional phrase that serves to specify the degree or extent of a difference between two things. As Ludwig AI validates, it's commonly employed in contexts where a precise quantitative comparison is necessary, such as in news reporting, scientific analysis, and formal business communications. Predominantly found in news and media, with supporting presence in science and encyclopedic sources, this phrase helps to highlight the significance of the difference being discussed. While alternatives like "extent to which" or "difference by which" exist, "margin by which" is a reliable and effective choice for conveying quantitative distinctions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
difference by which
Directly replaces "margin" with "difference", highlighting the quantitative gap.
amount by which
Focuses on the specific quantity or measure of difference.
extent to which
Replaces "margin" with "extent", focusing on the degree or scope of something.
degree to which
Similar to "extent to which", emphasizing the level or intensity.
gap by which
Emphasizes the space or interval of difference.
proportion by which
Focuses on the ratio or percentage of difference.
level to which
Emphasizes the height or stage something reaches.
spread by which
Highlights the distribution or range of variation.
scale to which
Highlights the range or scope something covers.
scope to which
Emphasizes the breadth or range of something.
FAQs
How to use "margin by which" in a sentence?
The phrase "margin by which" is used to describe the amount or degree of difference between two things. For example: "The "margin by which" the measure passed was itself a statement".
What can I say instead of "margin by which"?
You can use alternatives like "extent to which", "degree to which", or "difference by which" depending on the context.
When should I use "margin by which" over simpler terms like "difference"?
Use "margin by which" when you need to emphasize the precise quantitative difference and its significance. If the specific amount is less important, "difference" or "extent" may suffice.
Is "margin by which" appropriate for formal writing?
Yes, "margin by which" is suitable for formal writing, especially when discussing data, results, or comparisons in reports, articles, or academic papers.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested