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
fall by one
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "fall by one" is not a standard expression in written English and may cause confusion.
It could be used in contexts where something decreases or diminishes by a single unit, but it is not commonly recognized. Example: "The team's score will fall by one if they miss the penalty."
News & Media
Science
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
11 human-written examples
Turning clock forwards (on spring) or backwards (on fall) by one hour presumably impacts our circadian rhythms.
Science
Early repayment charges start at 5% in the first year and fall by one percentage point each year.
News & Media
G.M., for example, has said that if interest rates fall by one percentage point, its pension deficit will grow by $7 billion.
News & Media
Under the government's scheme, the cost of loans to small businesses should fall by one percentage point, according to Treasury projections, although this may be less if the government does decide to levy a fee for the guarantee.
News & Media
The officers have said that initial mistake was part of a series of events, including a fall by one of the officers, that created a misperception that they were in a gunfight.
News & Media
Under the government's scheme, the cost of loans to small businesses should fall by one percentage point, according to the Treasury's projections, although this may be less if the government does decide to levy a fee for the guarantee.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
But it warned on Monday that profits would fall by one-third this year.
News & Media
The price of a cheeseburger will fall by one-third, to 79 yen.
News & Media
The working-age population is already shrinking, and is projected to fall by one-tenth over the next two decades.
News & Media
To break the buck, its value must fall by one-half of 1 percent, to 99.5 cents a share.
News & Media
And if Cyprus does leave the euro, the economists I've consulted believe that prices relative to sterling should fall by one-third or more.
News & Media
Expert writing Tips
Best practice
When using "fall by one", ensure the context clearly indicates a reduction of a single unit. Consider if a more common alternative like "decrease by one" would be clearer for your audience.
Common error
While grammatically correct, "fall by one" can sound slightly awkward in casual conversation. Opt for simpler alternatives like "go down by one" or "drop by one" in less formal settings.
Source & Trust
92%
Authority and reliability
3.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fall by one" functions as a verb phrase indicating a decrease or reduction of a single unit. Ludwig's examples demonstrate its use in contexts involving numerical or quantifiable values.
Frequent in
News & Media
50%
Science
25%
Formal & Business
25%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "fall by one" is grammatically acceptable and understandable, Ludwig AI suggests that it's not the most common or stylistically versatile choice. The analysis indicates that it is mostly found in News & Media and Science contexts and there are more widely used alternatives such as "decrease by one" or "drop by one" that might be clearer and more appropriate depending on the specific context. When employing "fall by one", ensure clarity and consider whether a more familiar synonym would better serve your audience.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
decrease by one
Emphasizes a numerical reduction, making it suitable in mathematical or statistical contexts.
drop by one
Implies a sudden or abrupt decrease, often used when describing a rapid decline.
decline by one
Suggests a gradual decrease over time, appropriate for trends and long-term changes.
reduce by one
Highlights the act of intentionally making something smaller by a single unit.
lessen by one
Indicates a reduction in size, extent, or degree by a single increment.
diminish by one
Suggests a gradual fading or reduction in importance or quantity.
go down by one
A more informal way to express a decrease of one unit.
slip by one
Implies a slight and often unnoticed decrease.
lower by one
Highlights the action of bringing something down to a lower level by one unit.
descend by one
Suggests a downward movement or decrease in a more formal or literary context.
FAQs
What does "fall by one" mean?
The phrase "fall by one" means to decrease or reduce by a single unit or increment. It indicates a reduction of one in quantity, value, or level.
What can I say instead of "fall by one"?
You can use alternatives like "decrease by one", "drop by one", or "decline by one" depending on the context.
Is it correct to say "fall by one percentage point"?
Yes, it is correct. This phrase is frequently used in financial and economic contexts to describe a decrease in percentage values, as shown in examples from reputable sources.
How formal is the phrase "fall by one"?
The phrase "fall by one" is relatively neutral in formality, suitable for both news reporting and scientific writing, but more common alternatives may be preferable in very informal situations.
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
92%
Authority and reliability
3.9/5
Expert rating
Real-world application tested