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
quadruple the amount
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "quadruple the amount" is correct and usable in written English.
It can be used when discussing increasing a quantity by four times its original value. Example: "To meet the demand, we need to quadruple the amount of product we produce each month."
✓ Grammatically correct
News & Media
Science
Alternative expressions(1)
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
They found that babies who had a mother who smoked had quadruple the amount of cotinine in their urine.
News & Media
In the forty-eight hours after last year's earthquake in Nepal, an estimated two thousand volunteers managed to quadruple the amount of mapped terrain around the crisis zone.
News & Media
Double (or quadruple!) the amount of nori and sesame salt, if you like: it's a great alternative seasoning for all sorts of day-to-day cooking.
News & Media
The use of blue lasers therefore allows manufacturers to triple or even quadruple the amount of data that can be stored on a CD.
News & Media
LG Electronics reported net income of $767 million for the second quarter, quadruple the amount for the period last year, mainly because of gains on the sale of some operations to Royal Philips Electronics.
News & Media
Victims hailed the ruling but said the company, now part of Dow Chemical, should be forced to quadruple the amount, to take into account the number of deaths from gas-related aftereffects, like tuberculosis and other respiratory problems.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
"The company tried to buy public support by quadrupling the amount of money they gave the Tate.
News & Media
Intel gave $330,000 in scholarships and equipment in the competition last year and almost quadrupled the amount this year to $1.25 million.
News & Media
We could be on our way to tripling or quadrupling the amount of that heat-trapping gas in the atmosphere.
News & Media
The World Food Program has quadrupled the amount of food it distributes in Myanmar over the past four years but still feeds only 300,000 people, a fraction of the five million who it says do not have enough food.
News & Media
Assisted by the young city planner Edward H. Bennett, he laid out the shorefront of Lake Michigan, quadrupling the amount of parkland and thus insuring that the lakefront would forever be public open space.
News & Media
Expert writing Tips
Best practice
When using "quadruple the amount", ensure the context clearly defines what the original amount is for better clarity. For example, "We need to quadruple the amount of funding to support the project effectively."
Common error
Avoid using "quadruple the amount" when a simple multiplication would be clearer. For instance, instead of saying "We will quadruple the amount, resulting in 400 units", use "We will increase the amount to 400 units."
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "quadruple the amount" functions as a verb phrase used to describe an action that results in multiplying a quantity by four. As evidenced by Ludwig, it often appears in contexts discussing increases in resources, investments, or production.
Frequent in
News & Media
55%
Science
35%
Wiki
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "quadruple the amount" is a grammatically correct expression used to describe an increase by a factor of four. As confirmed by Ludwig, it frequently appears in news, scientific, and professional contexts. While it's a valid and understandable phrase, it's important to ensure that the context clearly defines the original amount for clarity. Related phrases include "increase fourfold" or "multiply by four", which can offer stylistic variations. While the term is appropriate, always consider whether a simpler, more direct expression might be clearer in certain contexts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
increase the quantity fourfold
Changes the verb and uses "fourfold" instead of "quadruple the amount".
multiply the sum by four
Uses "multiply" and "sum" as alternatives.
increase the volume to four times the original
Replaces "amount" with "volume" and specifies "four times".
make the total four times greater
Uses "make the total" and "four times greater" for emphasis.
amplify the quantity by a factor of four
Employs "amplify" and "factor of four" for a more technical tone.
scale up the measure by four
Uses "scale up" and "measure" as alternatives.
expand the size to four times its present state
Focuses on "size" and uses "present state".
inflate the figure to quadruple its former value
Adopts "inflate" and "former value" for a different nuance.
augment the magnitude by a factor of four
Uses "augment" and "magnitude" for a more formal tone.
raise the level to four times what it was
Focuses on "level" and uses a more descriptive approach.
FAQs
How can I use "quadruple the amount" in a sentence?
You can use "quadruple the amount" to describe an increase by a factor of four. For example, "The company plans to quadruple the amount of its investment in renewable energy."
What is a good alternative to "quadruple the amount"?
Alternatives include phrases like "increase fourfold", "multiply by four", or "increase to four times" the original value.
Is it correct to say "quadruple the amount of" something?
Yes, it is grammatically correct. For example, "The goal is to quadruple the amount of affordable housing units in the city."
What's the difference between "double the amount" and "quadruple the amount"?
"Double the amount" means to multiply by two, whereas "quadruple the amount" means to multiply by four. If you're aiming to increase from say 100 to 400 you should "quadruple the amount". If the goal is only 200, you should "double the amount" instead.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested