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
a substantial quantity of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a substantial quantity of" is correct and usable in written English.
It can be used when referring to a large amount of something, often in contexts related to resources, data, or materials. Example: "The research team collected a substantial quantity of data to support their findings."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
a significant amount of
a considerable number of
a large volume of
A significant amount of
A considerable number of
A good deal of
a considerable volume of
a considerable amount of
a tremendous quantity of
a considerable quantity of
quite a lot of
a great amount of
a good deal of
a neat amount of
a fair chunk of
a cornucopia of
a substantial supply of
a fair criticism of
a fair bit of
a profusion of
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
A substantial quantity of Silurian salt is mined.
Encyclopedias
The best permanent magnets contain a substantial quantity of cobalt.
Encyclopedias
Will standardizing date labels really save a substantial quantity of food?
News & Media
However, those procedures require a substantial quantity of chondrocytes for tissue engineering.
Science
The precast concrete industry produces a substantial quantity of waste due to quality non-conformances.
Everyone known to hold a substantial quantity of Bitcoin, and even those who do not, get extorted by shady characters.
News & Media
The Paris Mint struck a substantial quantity of subsidiary Russian coins in 1861, using hubs from St . Petersburg
Academia
General Salahuddin said that the authorities had recovered a substantial quantity of weapons and ammunition, and that the organization's network had been disrupted.
News & Media
But Mr Trimble, after an hour-long meeting with the general, said he was satisfied a substantial quantity of arms had been rendered completely unusable.
News & Media
Those included tens of thousands of liters of diesel fuel, a substantial quantity of polychlorinated biphenyls (PCBs), and even some low-level radioactive waste.
News & Media
Critics say that corruption and mismanagement along the supply chain lead to leakage of a substantial quantity of grain meant for the poor.
News & Media
Expert writing Tips
Best practice
When using "a substantial quantity of", ensure the noun it modifies is appropriate for describing quantity, such as resources, materials, or data. Avoid using it with abstract concepts that are not easily quantifiable.
Common error
Avoid using "a substantial quantity of" with nouns that cannot be measured or counted. For example, it's incorrect to say "a substantial quantity of happiness"; instead, use "a great deal of happiness" or "a significant amount of happiness".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a substantial quantity of" functions as a determiner phrase, specifically quantifying a noun. It indicates that there is a considerable amount of something. As Ludwig AI explains, it is grammatically correct and widely applicable.
Frequent in
Science
53%
News & Media
33%
Academia
10%
Less common in
Encyclopedias
2%
Wiki
2%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, "a substantial quantity of" is a grammatically correct and frequently used phrase to indicate a considerable amount of something. As Ludwig AI confirms, it is widely applicable across various contexts. Predominantly found in science, news, and academic sources, it serves to emphasize the significance of a particular amount. When writing, it's essential to use it with quantifiable nouns and to consider context to choose the most fitting alternative, such as "a significant amount of" or "a considerable number of". Avoiding misuse with non-quantifiable nouns will ensure clarity and precision in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
A significant amount of
Replaces "quantity" with "amount" while maintaining the emphasis on a notable proportion.
An appreciable quantity of
Highlights that the amount is easily noticed or measurable.
A considerable number of
Shifts the focus to countable items rather than a general amount.
A good deal of
Implies a significant portion or extent.
A large volume of
Emphasizes the bulk or capacity involved.
A hefty amount of
Indicates a weighty or considerable sum.
A sizable portion of
Focuses on the fraction or share involved.
A generous supply of
Suggests an ample and sufficient provision.
A considerable extent of
Emphasizes the degree or scope of something.
A profuse amount of
Suggests an abundant or excessive quantity.
FAQs
How can I use "a substantial quantity of" in a sentence?
Use "a substantial quantity of" before a noun to indicate a large amount of something. For instance, "The study required a substantial quantity of data for analysis."
What's a good alternative to "a substantial quantity of"?
You can use alternatives like "a significant amount of", "a considerable number of", or "a large volume of" depending on the context.
Is it better to say "a substantial quantity of" or "a large amount of"?
Both "a substantial quantity of" and "a large amount of" are correct, but "a substantial quantity of" often implies a more significant or noteworthy amount. Choose the one that best fits the tone and context of your writing.
Can "a substantial quantity of" be used with both countable and uncountable nouns?
"A substantial quantity of" is generally used with uncountable nouns (e.g., "a substantial quantity of water"). For countable nouns, "a substantial number of" is more appropriate (e.g., "a substantial number of books").
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested