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
is quantified by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is quantified by" is correct and usable in written English.
It can be used in contexts where you are describing how a particular variable or concept is measured or expressed in numerical terms. Example: "The success of the project is quantified by the increase in sales over the last quarter."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
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
This, if your worth is quantified by Facebook, is serious business.
News & Media
The speed and extent to which a food releases sugar into the bloodstream is quantified by its glycaemic index (GI).
News & Media
"The beauty of Berlin is that it's a big place and not everything is quantified by estate agents.
News & Media
Natural selection is quantified by a measure called Darwinian fitness or relative fitness.
Encyclopedias
Property superiority is quantified by property optimality.
The fulfillment of a request is quantified by the delay.
Water injection condition is quantified by three kinds of subindexes.
It is quantified by the standard error or confidence intervals.
The effect of viscous dissipation is quantified by Brinkman number.
Success in this space is quantified by time, money and lives saved.
News & Media
Convection is quantified by measurement of flow in the microvessels, and diffusion is quantified by the density of the perfused microvessels (functional capillary density).
Expert writing Tips
Best practice
Use "is quantified by" when you want to emphasize the objective measurement or numerical assessment of a particular aspect or variable.
Common error
Avoid using "is quantified by" without specifying the units or scale of measurement. For example, instead of saying 'Performance is quantified by results', specify 'Performance is quantified by a 20% increase in sales'.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is quantified by" functions as a verbal phrase in the passive voice. It's used to indicate the method or metric by which a particular attribute, quality, or phenomenon is measured or assigned a numerical value. As Ludwig AI explains, it highlights the process of assigning quantity.
Frequent in
Science
76%
News & Media
15%
Formal & Business
9%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is quantified by" serves as a tool to express how something is measured or assigned a numerical value. Ludwig AI confirms its correct usage, indicating that it appears most frequently in scientific and academic contexts. To ensure clarity and credibility, always specify the method and units of measurement when using this phrase. While alternatives like "is measured by" or "is assessed through" exist, "is quantified by" emphasizes the objective and numerical nature of the evaluation. By adhering to best practices and avoiding common pitfalls, you can effectively communicate quantitative information in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is measured by
Focuses specifically on measurement as a means of quantification.
is assessed through
Highlights the evaluation or assessment process used for quantification.
is determined via
Emphasizes the method or process by which something is quantified.
is evaluated based on
Stresses the criteria used to quantify something.
is expressed as
Focuses on how the quantified value is represented.
is calculated using
Highlights the calculation method used to quantify.
is represented by
Focuses on the representation or symbol that indicates the quantified value.
is indexed by
Focuses on the index used for measuring
is characterized by
Focuses on describing the attributes using qualitative or quantitative terms.
is rated according to
Stresses on rating depending on how it's measured.
FAQs
How can I use "is quantified by" in a sentence?
Use "is quantified by" to explain how a specific metric or measurement is used to assign a numerical value to something. For example: 'Success in this space "is quantified by" time, money, and lives saved'.
What are some alternatives to saying "is quantified by"?
You can use alternatives like "is measured by", "is assessed through", or "is determined via" depending on the context.
Is it better to use active or passive voice with "is quantified by"?
The phrase "is quantified by" is in the passive voice. While both active and passive voices can be correct, passive voice emphasizes the object being quantified rather than the actor doing the quantifying.
How does the context influence the choice of using "is quantified by"?
The context dictates the specificity needed. In scientific writing, be precise about the measurement method. In general writing, ensure the reader understands how something "is indexed by" a given metric.
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
4.6/5
Expert rating
Real-world application tested