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 double quantity of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a double quantity of" is correct and usable in written English.
You can use this phrase to describe something that contains twice as much quantity than usual. For example, "I need to buy a double quantity of sugar for this recipe."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(16)
a double quantity of flour
twice the amount of sugar
double the quantity
twice the amount of
twice the amount
double the volume
twofold quantity
a quantity twice as large
double the measure
twice the supply
increased quantity
a double number of
a double supply of
a double sum of
a double amount of
a double volume 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
2 human-written examples
Make a double quantity of this syrup to have on standby in the fridge.
News & Media
If the kings do not come to the public supper, each of them must have two choenixes of meal and a cotyle of wine sent home to him at his house; if they come, they are given a double quantity of each, and the same when any private man invites them to his table.
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
However, it has to be emphasized that this is not equivalent to a Markov chain modeling a single carrier with the double quantity of resources.
The next two evenings, you have leftovers, only excitingly done, not just bubble and squeak; the fourth night, there is a seasonal recipe that is generally pretty quick; night five you prepare a feast using stuff from your larder; and on the sixth night, you make double quantities of something and freeze half of it.
News & Media
He has promised to slash indirect costs by a third; double the quantity of materials sourced from low-cost countries; shorten development cycles by a third; lower fleet average age to three years; engineer a step-jump in quality; expand production in emerging markets.
News & Media
For a simmering potpourri, double the quantity of essential oil, using ½ teaspoon per cup.
Wiki
I also have a little boy, so I enjoy not cooking as much as I do cooking – hence a love of double quantities and leftovers.
News & Media
This carrier could deliver almost double quantity ODNs with respect to the injection of free ODNs.
The ΔΔCt scale is a 1/log2 scale: doubling the quantity of mRNA in a sample will result in a reduction of the ΔΔCt by 1. Relative quantities of mRNA were therefore calculated using a (2-ΔΔCt) transformation.
Science
For the species at a further phylogenetic distance, chestnut has double the quantity of conserved genomic blocks with papaya and eucalyptus versus Arabidopsis.
Science
If an A. ervi female oviposited twice in a single host, she would then double the quantity of both venom and teratocytes present in the host, potentially increasing the likelihood of successful parasitism in symbiont-defended hosts.
Science
Expert writing Tips
Best practice
When modifying recipes, use "a double quantity of" to ensure accurate scaling of ingredients and maintain the intended flavor profile.
Common error
Avoid using "a double quantity of" when referring to intangible concepts like effort or time; instead, opt for phrases like "twice the amount of effort" or "double the time allotted."
Source & Trust
88%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a double quantity of" functions as a determiner phrase, modifying a noun to specify an amount that is twice the original or standard quantity. As Ludwig AI suggests, the phrase is grammatically correct and usable in written English.
Frequent in
News & Media
33%
Academia
33%
Science
34%
Less common in
Wiki
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a double quantity of" is a grammatically sound phrase used to indicate an amount that is twice the standard. As Ludwig AI explains, its suitable for many different context. Although the phrase itself is not very common in writing, it appears across diverse fields like news, academia and science. You can use alternatives like "twice the amount" or "double the quantity" depending on context, keeping in mind nuances in formality. This phrase is most effective when you are precise with amounts but remember that it is not typically used with intangible concepts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
twice the amount
Focuses on the numerical doubling of the quantity.
double the volume
Emphasizes an increase in size or capacity.
twofold quantity
Highlights the multiplication by two.
a quantity twice as large
Stresses the increased size of the quantity.
double the measure
Focuses on the doubling of a specific measurement.
twice the supply
Highlights having two times the amount that is needed.
duplicate quantity
Stresses having a copy of the quantity.
a multiplied quantity
Emphasizes the quantity has undergone multiplication.
increased quantity
Focuses on the quantity increase, without being necessarily doubled.
amplified quantity
Stresses that the quantity has been significantly enlarged.
FAQs
How can I use "a double quantity of" in a sentence?
You can use "a double quantity of" to indicate that you need twice as much of something. For example, "I need "a double quantity of flour" for this cake recipe."
What's a simple substitute for "a double quantity of"?
A simpler alternative is "twice the amount". For example, instead of "a double quantity of sugar", you can say "twice the amount of sugar".
Is it better to say "double the quantity" or "a double quantity of"?
Both "double the quantity" and "a double quantity of" are correct. However, "double the quantity" is often more concise and commonly used.
What’s the difference between “a double quantity of” and “twice the amount of”?
While both phrases express the same idea, “"a double quantity of"” is slightly more formal than “"twice the amount of"”. Use “twice the amount of” in more casual contexts.
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
88%
Authority and reliability
4.3/5
Expert rating
Real-world application tested