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 tested to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is tested to" is correct and usable in written English.
It can be used when describing a process or standard by which something is evaluated or assessed for performance or quality. Example: "The product is tested to ensure it meets safety regulations before being released to the market."
✓ 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
60 human-written examples
The manufacturer said the case is tested to military specifications.
News & Media
Our sympathy for the victim is tested to the limit by her moody irrationality.
News & Media
From the quietly disappointed to the loudly enraged, Lucas's renowned tact is tested to the full.
News & Media
Soil is tested to see if it has a required minimum of organic matter.
News & Media
The blood is tested to determine the hematocrit level -- the number of red corpuscles.
News & Media
It is tested to breaking point when the boy falls in love with Lucy Desborough, and secretly marries her.
News & Media
Every three months his blood is tested to keep a check on his immune system and viral load - the measure of infectivity.
News & Media
In "The Heir", an Uighur gangster's carefully cultivated indifference to the Chinese police is tested to its limit when his grandson is arrested.
News & Media
However, before a donation blood is tested to ensure the donor does not have a transmissible disease.
News & Media
After each reconfiguration, the device is tested to see how well (or otherwise) it carries out the desired task.
News & Media
"The four young friends in The Revelations all believe, but their conviction is tested to breaking point by the tragedy that unfolds over the course of a weekend religious retreat.
News & Media
Expert writing Tips
Best practice
When using "is tested to", ensure the sentence clearly states the purpose or standard against which the testing is performed. This adds clarity and avoids ambiguity.
Common error
Avoid using "is tested to" without specifying what it is tested for. For example, instead of "The device is tested to", specify "The device is tested to ensure it meets safety regulations."
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is tested to" functions as a passive verb construction, indicating that the subject undergoes a process of evaluation or verification. Ludwig shows that it's commonly used to describe adherence to standards or specifications.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "is tested to" is a grammatically sound and frequently used passive construction, primarily found in science and news contexts. According to Ludwig, its main function is to convey that something is evaluated or verified against a specific standard or requirement. To ensure clarity, specify the purpose of the testing. Alternatives like "is evaluated to" or "is assessed to" can be used depending on the desired nuance. The Ludwig AI confirms that "is tested to" is perfectly acceptable in English.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is evaluated to
Replaces "tested" with a broader term for assessment.
is assessed to
Similar to "evaluated", emphasizing a careful judgment.
is examined to
Focuses on a detailed inspection or analysis.
is checked to
Implies a verification process for accuracy or compliance.
is verified to
Highlights the confirmation of something's truth or accuracy.
is subjected to
Indicates that something undergoes a specific process or treatment.
is analyzed to
Emphasizes a detailed study to understand its components.
is trialed to
Implies a trial or experiment is conducted.
is inspected for
Focuses on a thorough examination to find specific attributes or flaws.
is screened for
Suggests a preliminary examination to identify certain characteristics.
FAQs
How can I use "is tested to" in a sentence?
Use "is tested to" when you want to describe the evaluation process of something according to certain specifications. For example, "The software "is tested to" ensure compatibility with various operating systems".
What are some alternatives to "is tested to"?
Alternatives include "is evaluated to", "is assessed to", or "is examined to", depending on the nuance you want to convey.
Is "is tested to" grammatically correct?
Yes, "is tested to" is grammatically correct and commonly used, especially when describing a process where something is checked against specific standards or requirements.
What's the difference between "is tested to" and "is tested for"?
"Is tested to" typically implies testing against a standard or specification (e.g., "The material "is tested to" withstand high pressure"). "Is tested for" implies testing to find or identify something (e.g., "The water "is tested to" for contaminants").
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested