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
amount by which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "amount by which" is correct and usable in written English.
You can use it when you want to refer to the size of something, such an increase, decrease, or difference. For example: "The amount by which the stock price dropped was shocking."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
degree to which
extent to which
margin by which
level to which
the extent of
the degree of
the difference between
the disparity between
value by which
volume by which
requirement by which
estimate by which
magnitude by which
accumulation by which
contribution by which
total by which
proportion by which
account by which
money by which
calculation by which
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 amount by which the economy will contract this year.
News & Media
This slider sets the amount by which the simulated time is advanced between successive animation frames.
Academia
The amount by which wages exceed the price of necessities determines whether or not commerce thrives.
News & Media
This premium is the amount by which the named stipend amount exceeds the base stipend amount.
Academia
§ 3809.591 What are the limitations on the amount by which BLM may reduce my financial guarantee?
Academia
Deviation-type gauges indicate the amount by which the object being gauged deviates from the standard.
Encyclopedias
Developed countries would also specify an amount by which they mean to reduce their emissions.
News & Media
"People lie frequently online, but the amount by which they lied was small," Toma said.
News & Media
It's measured by subsequent performance in the amount by which the winner wins equals the amount by which the loser loses, but it costs a lot to play the game.
Academia
And so, if you're overweight Ford and underweight GM and somebody else is underweight Ford and overweight GM, well, at the end of the day, the amount by which the winner wins equals the amount by which the loser loses.
Academia
The amount by which it will be topped up over time is not quantified in the budget papers.
News & Media
Expert writing Tips
Best practice
Use "amount by which" to clearly indicate the quantifiable difference or change between two values or states. This helps maintain precision in technical and analytical writing.
Common error
Avoid using "amount by which" when a simple comparison is sufficient. This phrase is most effective when you need to emphasize a specific, measurable difference, not just a general relationship.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "amount by which" functions as a prepositional phrase that introduces a clause specifying the extent or degree of difference between two quantities or states. As Ludwig AI confirms, this phrase is used to indicate a quantifiable difference.
Frequent in
News & Media
32%
Academia
32%
Science
28%
Less common in
Encyclopedias
5%
Formal & Business
3%
Wiki
0%
Ludwig's WRAP-UP
In summary, "amount by which" is a prepositional phrase used to specify the degree or extent of a difference, change, or variation. As affirmed by Ludwig AI, this phrase is grammatically correct and sees frequent use in various contexts. Its usage spans across news, academia, and science, indicating its versatility and reliability in communicating precise quantifiable differences. When using "amount by which", ensure that you are emphasizing a specific, measurable difference, making it a valuable tool for clear and precise communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
degree to which
Focuses on the extent or level of impact or change.
extent to which
Similar to 'degree to which', emphasizing the scope or range.
margin by which
Highlights the difference between two values or amounts.
level to which
Indicates the intensity or stage reached by something.
the extent of
Emphasizes the full reach or scope of something.
the degree of
Focuses on the severity or intensity of something.
the difference between
Directly points out the variation between two things.
the variation in
Highlights the fluctuation or change within a set of data.
the disparity between
Emphasizes a significant difference or inequality.
the divergence of
Focuses on the act of moving in different directions or separating.
FAQs
How can I use "amount by which" in a sentence?
Use "amount by which" to specify a quantifiable difference between two values. For example, "The amount by which the company's profits increased exceeded expectations."
What's a good alternative to "amount by which"?
Depending on the context, alternatives include "degree to which", "extent to which", or "margin by which".
Is it correct to use "amount by which" in formal writing?
Yes, "amount by which" is perfectly acceptable in formal writing. It provides a clear and precise way to express quantifiable differences.
What is the difference between "amount by which" and "percentage by which"?
"Amount by which" refers to the absolute difference, whereas "percentage by which" indicates the relative difference as a proportion of the original value.
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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested