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
Difference in quantity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Difference in quantity" is correct and usable in written English.
It can be used when discussing variations or disparities in amounts or numbers between two or more items or groups. Example: "The difference in quantity between the two shipments was significant, leading to delays in delivery."
✓ Grammatically correct
Science
News & Media
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
21 human-written examples
I don't think it's a difference in quality, but a difference in quantity.
News & Media
"There's a point at which a difference in quantity becomes a difference in kind".
News & Media
By day 30, apoptotic and necrotic pathologies continued, although in small quantity, with no significant difference in quantity between two types of cell death.
Science
"Often what we have to do with the march of technology is realize that the difference in quantity and speed can actually amount to significantly more invasive practices, " said Paul Ohm, a University of Colorado law professor and former federal computer-crimes prosecutor.
News & Media
However, the difference in quantity of lignin extracted between the two treatments was found to be not significant.
The peaks represent the functional groups present in the biomaterial, thus the steepness represents the difference in quantity [34].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
Mammals can quickly recognize differences in quantity, choosing the tree or bush with the most fruit.
News & Media
Differences in quantity and/or quality of specific habitat types likely explain the responses.
Science
These data, from regionally representative samples, indicate few gender differences in quantity or quality of social relations, but that women are more likely than men to experience widowhood, illness, and financial strain.
Academia
While all of these peptides and/or their fragments are normally found in the serum, differences in quantity between healthy and affected individuals are observed.
Science
These differences in quantity of domains and dimensions lead to widely varying definitions of HRQOL.
Science
Expert writing Tips
Best practice
When comparing the amounts of different substances, be precise. For instance, specify if the "difference in quantity" is statistically significant or merely a marginal variation.
Common error
Avoid using "difference in quantity" when you actually mean a "difference in quality". Quantity refers to amount, while quality refers to characteristics or attributes.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "difference in quantity" functions primarily as a noun phrase, often serving as the subject or object of a sentence. It describes the extent to which two or more amounts or numbers vary. Ludwig AI shows the phrase used in contexts ranging from scientific research to general news.
Frequent in
Science
63%
News & Media
29%
Wiki
4%
Less common in
Academia
4%
Encyclopedias
1%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "difference in quantity" is a grammatically correct and commonly used expression to denote variations in amounts between items. Ludwig AI confirms its applicability across diverse contexts, especially in scientific and news domains. While generally neutral in register, it leans towards formality, making it suitable for professional and academic writing. Remember to use this phrase when discussing variations in amount rather than quality. Consider alternatives like "variation in amount" or "disparity in quantity" for nuanced expression.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Variation in amount
Focuses on the fluctuating nature of the quantity.
Variation in number
Focuses specifically on the variation of countable items.
Disparity in quantity
Highlights an imbalance or inequality in the amounts.
Difference in volume
Specifically refers to the amount of space occupied.
Divergence in quantity
Implies a gradual separation or deviation in amounts.
Contrast in quantity
Emphasizes a noticeable distinction between amounts.
Fluctuation in quantity
Indicates irregular variation.
Shift in quantity
Implies a change in amount from one state to another.
Differential in quantity
Highlights a precise numerical difference.
Inconsistency in quantity
Focuses on a lack of uniformity.
FAQs
How can I use "Difference in quantity" in a sentence?
You can use "Difference in quantity" to highlight a variation in amounts between two or more items, for example: "The "difference in quantity" between the two samples was significant."
What's a good alternative to "Difference in quantity"?
Alternatives include "variation in amount", "disparity in quantity", or "difference in volume" depending on the context.
Is it correct to say "Difference of quantity" instead of "Difference in quantity"?
While "difference of quantity" might be understood, ""difference in quantity"" is the more standard and grammatically correct phrasing.
What is the nuance between "Difference in quantity" and "Difference in amount"?
"Difference in quantity" generally refers to countable items, whereas "difference in amount" can refer to both countable and uncountable items. The choice depends on the context.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested