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
decrease by a factor of ten
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "decrease by a factor of ten" is correct and usable in written English.
It can be used in contexts involving measurements, quantities, or values that are being reduced significantly, particularly in scientific or mathematical discussions. Example: "The population of the city is expected to decrease by a factor of ten over the next decade due to various economic factors."
✓ Grammatically correct
Science
News & Media
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
During training, the regularization parameter is increased or decreased by a factor of ten, depending on the decrease or increase of the MSE, respectively.
The contrast increased from 0.41 to 0.44 when the mean intensity was decreased by a factor of ten.
Science
At the same time, the study said, energy reliability would decrease by a factor of five, with reserve margins cut almost in half.
News & Media
Assume that volume increases four-fold on black friday, and thus overhead costs decrease by a factor of four.
News & Media
Despite the homogeneity of the soil parent material in the watershed, long-term weathering rates decrease by a factor of two over a 260 m decrease in elevation.
Sea floor spreading rates decrease by a factor of two from north to south [6].
Science
But there is a significant decrease (by a factor of two) in the thickness of sputtered layer for WGs with higher oxygen content (10 and 20%).
The NH3 emissions from petrol cars have decreased by over a factor of three from the vehicles manufactured in the late 1990s compared with those manufactured in 2012.
Science
This average decreases by a factor of two every week.
Early data shows that Pluto's atmosphere has decreased by a factor of two in about two years – an "astonishing" rate to shrink, Summers said.
News & Media
Over the past 10 years, the SO2 loading over China decreased by a factor of five, from 0.89 DU in 2007 to 0.17 DU in 2016.
Science & Research
Expert writing Tips
Best practice
When using "decrease by a factor of ten", ensure that the context clearly indicates what is being measured and how the decrease is being calculated. Be specific about the units and the baseline from which the decrease is occurring.
Common error
Avoid assuming that "decrease by a factor of ten" is the same as a 10% decrease. A factor of ten implies a 90% decrease (reduction to one-tenth of the original value).
Source & Trust
60%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "decrease by a factor of ten" functions as a quantitative descriptor, indicating a significant reduction in a measurable value. Ludwig's examples show its use in various scientific and technical contexts.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "decrease by a factor of ten" is a grammatically correct and useful expression for indicating a significant reduction in a quantity. Although no direct examples were found, Ludwig AI confirms its usability in written English, especially in scientific and mathematical contexts. It's crucial to differentiate this phrase from a simple 10% decrease, as it implies a reduction to one-tenth of the original value. Alternatives like "reduce tenfold" or "drop by an order of magnitude" may be suitable depending on the specific context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
reduce tenfold
Focuses on the mathematical operation of dividing by ten.
decline by a power of ten
Emphasizes the mathematical scale of the decrease.
drop by an order of magnitude
Uses a more technical term to describe a large decrease.
decrease to one-tenth of its original value
Specifies the resulting value after the decrease.
shrink by a factor of ten
Employs a more general term for reduction.
fall by a factor of ten
Uses a dynamic verb to describe the decrease.
lessen by a factor of ten
Employs a less common verb for reduction.
diminish by a factor of ten
Similar to lessen, but slightly more formal.
contract by a factor of ten
Suggests a decrease in size or volume.
plummet by a factor of ten
Suggests a rapid and dramatic decrease.
FAQs
How do I use "decrease by a factor of ten" in a sentence?
You can use "decrease by a factor of ten" to describe a significant reduction in a quantity. For example, "The concentration of the pollutant decreased by a factor of ten after the new regulations were implemented."
What's the difference between "decrease by a factor of ten" and a 10% decrease?
A "decrease by a factor of ten" means the quantity is reduced to one-tenth of its original value (a 90% decrease). A 10% decrease means the quantity is reduced by 10% of its original value, leaving 90% of the original amount.
What can I say instead of "decrease by a factor of ten"?
You can use alternatives like "reduce tenfold", "drop by an order of magnitude", or "decrease to one-tenth of its original value" depending on the context.
Is it correct to say "decrease by ten times" instead of "decrease by a factor of ten"?
While "decrease by ten times" might be understood, it's less precise and can be ambiguous. "Decrease by a factor of ten" is generally preferred for clarity in scientific and technical writing. You could also say "reduce tenfold".
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
60%
Authority and reliability
4.2/5
Expert rating
Real-world application tested