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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
equals to
Grammar usage guide and real-world examplesUSAGE SUMMARY
"equals to" is correct and usable in written English.
You can use it to show that two things are the same. For example: "The area of the rectangle is equal to the product of its length and width."
✓ 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
"They seemed like equals to me.
News & Media
They all think of themselves as equals to their husbands.
News & Media
It is an exchange between equals to help the needy".
News & Media
Would teachers themselves be required to present alternative theories as equals to Darwin's theory of evolution?
News & Media
The energy flux equals to the dissipation.
When K equals to one, Eqs.
We choose fuzziness factor equals to 1.125.
The RE for crop acreage estimation equals to 4.09%.
Detection limit equals to 10−7 M was achieved.
Science
The porosity distribution is homogenous and equals to 0.2.
The cycle time equals to a pulse repetition interval (PRI).
Expert writing Tips
Best practice
Use "equals to" to clearly and directly express mathematical or logical equivalence. It is particularly useful in scientific and technical writing where precision is important.
Common error
Avoid using "is equals to". The phrase "equals" already functions as a verb, so adding "is" is redundant. Prefer using "equals" instead.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "equals to" functions primarily as a linking verb phrase that indicates a relationship of equality or equivalence between two entities or values. As Ludwig AI suggests, it directly asserts a state of being equal. Examples show its usage in mathematical equations, comparisons, and definitions.
Frequent in
Science
80%
News & Media
15%
Formal & Business
5%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "equals to" is a prepositional phrase that serves to indicate equivalence, primarily within scientific and technical contexts, as well as in news media. Ludwig AI identifies the phrase as grammatically correct, with high frequency across various sources. While “is equal to” might be considered more formal, "equals to" is widely accepted and understood. To maintain precision, avoid redundancy by omitting "is" before "equals". By understanding its function, purpose, register, and common usage patterns, you can use "equals to" effectively in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is equivalent to
Emphasizes the identical value or effect of two things.
is the same as
Indicates an exact match or identical nature.
is identical to
Highlights that something is exactly the same.
amounts to
Suggests a final tally or result is being reached.
corresponds to
Implies a relationship or match between two things.
is analogous to
Suggests a similarity or parallel between two things being compared.
is on par with
Expresses that two things are at the same level or standard.
is commensurate with
Indicates a proportional or equivalent relationship.
is tantamount to
Implies equivalence in effect or value, often in a legal context.
is representative of
Indicates that one thing serves as a sample or example of another.
FAQs
How to use "equals to" in a sentence?
Use "equals to" to express mathematical or logical equivalence. For example, "In this equation, X equals to 5".
What can I say instead of "equals to"?
You can use alternatives like "is equivalent to", "is the same as", or "amounts to" depending on the context.
Which is correct, "equals to" or "equals"?
While "equals to" is commonly used, particularly in less formal contexts, "equals" is often preferred in formal writing. "Equals to" includes the preposition "to", whereas "equals" is used as a verb.
What's the difference between "is equal to" and "equals to"?
"Is equal to" and "equals to" both indicate equivalence, but "is equal to" is generally considered more grammatically correct and formal. In contrast, "equals to" may be perceived as slightly less formal, though still widely used and understandable.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested