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
determines if
Grammar usage guide and real-world examplesUSAGE SUMMARY
"determines if" is a correct and usable phrase in written English.
This phrase is used to introduce a yes-or-no question about something. For example: "The test determines if the material is suitable for use in a medical device."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
establishes whether
evaluates if
assesses whether
identify if
establish if
ascertain if
establishing if
evaluates whether
determines whether
decides on whether
decided on whether
decision on whether
establishes whether or not
determine whether or not
determining whether or not
identifies whether or not
makes a decision on whether to
makes a decision on whether or not
decides on whether or not
decides on whether to
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 verification stage determines if a refined transformation is correct.
The review board determines if there is sufficient information to sanction an athlete.
News & Media
The OHC gain-bandwidth product, not just bandwidth, determines if high-frequency amplification is possible.
Science
In some cases, their presence determines if a given inventory is assigned to a leafpoint industry.
Science
The initial grain orientation determines if such a transition in slip pattern occurs.
Science
The key question is who determines if a President is unable to perform his duties?
News & Media
"It determines if your interactions are effective or not," said Dr. Cacciopo.
News & Media
The carbon isotope test examines the testosterone and determines if it is natural or synthetic.
News & Media
It determines if parting is such sweet sorrow or a thudding disappointment.
News & Media
The FHEO determines if reasonable cause exists to believe that a discriminatory housing practice has occurred.
Encyclopedias
Don't let someone else set the number that determines if you buy or sell.
News & Media
Expert writing Tips
Best practice
Use "determines if" to introduce a condition that dictates an outcome or decision. It clearly indicates a binary choice or assessment.
Common error
Avoid using "determines if" excessively in convoluted sentence structures. Break down complex sentences to improve clarity and readability. Sometimes, splitting a long sentence into two shorter ones using 'whether' can enhance understanding.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "determines if" functions as a conditional connector, introducing a subordinate clause that specifies a condition or test. Ludwig AI validates its correct usage, showing it introduces a yes/no question about something.
Frequent in
Science
47%
News & Media
34%
Academia
17%
Less common in
Encyclopedias
1%
Wiki
1%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "determines if" serves as a conditional connector, often employed in academic, scientific, and news contexts to introduce a test or condition that dictates an outcome. Ludwig AI confirms it as correct and usable in written English. Although it is grammatically sound, it should be carefully integrated within sentence structures to ensure clarity. Alternatives such as "establishes whether" or "ascertains whether" can be used depending on the desired level of formality. Overall, "determines if" is a very common and useful phrase when you need to express that something is dependent on a certain condition.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
establishes whether
Replaces "determines if" with "establishes whether", implying a more formal and definitive ascertainment.
ascertains whether
Substitutes "determines if" with "ascertains whether", suggesting a careful and thorough investigation to find something out.
verifies whether
Replaces "determines if" with "verifies whether", used to check or prove the truth or accuracy of something.
checks if
Replaces "determines if" with "checks if", making it more casual.
assesses whether
Substitutes "determines if" with "assesses whether", indicating evaluation before reaching a decision.
finds out if
Replaces "determines if" with "finds out if", making the statement more informal.
evaluates if
Replaces "determines if" with "evaluates if", suggesting the making of a judgment about the amount, number, or value of something.
identifies if
Replaces "determines if" with "identifies if", indicating the recognition and stating exactly what something is or who a person is.
investigates if
Replaces "determines if" with "investigates if", suggesting a systematic or formal examination to discover and examine the facts of (an incident, allegation, etc.) so as to establish the truth.
establishes if it is true that
This alternative expands upon "determines if" by explicitly stating the aim of establishing the truth of a condition.
FAQs
How can I use "determines if" in a sentence?
Use "determines if" to introduce a condition or factor that influences a specific outcome or decision. For example, "The test "determines if" the water is safe to drink".
What are some alternatives to "determines if"?
Alternatives include "establishes whether", "ascertains whether", or "checks if", depending on the level of formality and context.
Is it better to use "determines if" or "determines whether"?
"Determines whether" is generally considered more formal and grammatically precise. "Determines if" is acceptable, especially in less formal contexts, but "determines whether" is often preferred for clarity and precision.
What is the difference between "determines if" and "evaluates if"?
"Determines if" suggests a binary outcome, while "evaluates if" implies a more in-depth assessment or judgment. "Determines if" is used when checking for a specific condition; "evaluates if" is used when assessing multiple factors.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested