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
that is equal to
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that is equal to" is correct and usable in written English.
You can use it when explaining or defining a value or quantity that matches another value or quantity. Example: "In this equation, the variable x that is equal to 5 will help us solve for y."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Wiki
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
55 human-written examples
In dollar terms, that is equal to the 30-year average of 4.2percentt of G.D.P.
News & Media
"I understand terrorism," he says, "in a way that is equal to or exceeds anyone else".
News & Media
Perfect number, a positive integer that is equal to the sum of its proper divisors.
Encyclopedias
"Rent" has earned $4 million for the theater workshop, a sum that is equal to its annual budget.
News & Media
In the United States, the banks have total short-term debt that is equal to 15percentt of G.D.P.
News & Media
Snyder's plan would eliminate debt in the district that is equal to $1,100 per child, Murray said.
News & Media
As for terror, "I understand terrorism in a way that is equal to or exceeds anyone else," Mr. Giuliani says.
News & Media
Like everyone else, the president wants to have a press that is equal to the people it serves.
News & Media
The ring gear rotates at a speed that is equal to the mean speed of the left and right wheels.
Encyclopedias
This year Spain is supposed to have an influx of around 15 million tourists - a figure that is equal to half the population of the country.
News & Media
Then there was Assurance Plus, a one-time payment to the lender that is equal to 90 days of a loan or lease payment.
News & Media
Expert writing Tips
Best practice
When using "that is equal to", ensure the comparison is precise and unambiguous. State clearly what two things are being equated.
Common error
Avoid using "that is equal to" when only a rough estimate or approximation is intended. Opt for phrases like "is approximately" or "is close to" for less precise comparisons.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that is equal to" functions as a predicate adjective or linking phrase, connecting a subject to a descriptive adjective phrase indicating equivalence. Ludwig AI provides numerous examples across different fields where the phrase serves to equate two entities or values.
Frequent in
Science
32%
News & Media
28%
Encyclopedias
8%
Less common in
Wiki
6%
Formal & Business
6%
Reference
0%
Ludwig's WRAP-UP
In summary, "that is equal to" is a versatile phrase used to express equivalence across a multitude of contexts, as confirmed by Ludwig AI. It is grammatically correct and widely accepted, with its usage ranging from formal scientific writing to general news reporting. While alternatives exist, "that is equal to" maintains a high degree of precision, making it a reliable choice for expressing exact matches. The phrase's frequency across authoritative sources underscores its importance in effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that is identical to
Highlights the perfect and complete match between the entities.
that is equivalent to
Replaces "equal" with "equivalent", suggesting a similar but not necessarily identical value.
that is the same as
Uses simpler language, emphasizing the identical nature of the two things being compared.
that's equivalent to
Represents a similar alternative to "that is equivalent to" with a less formal tone.
that amounts to
Focuses on the total or result, emphasizing the quantity reached.
that corresponds to
Highlights a relationship or matching aspect between two elements.
that represents
Indicates a symbolic or representative relationship.
that is commensurate with
Emphasizes a proportional relationship or suitable correspondence.
that's commensurate with
Represents a similar alternative to "that is commensurate with" with a less formal tone.
that is analogous to
Suggests a similarity that allows for comparison, even if not perfectly identical.
FAQs
How can I use "that is equal to" in a sentence?
Use "that is equal to" to specify the precise value or amount of something. For example, "The area of the square "that is equal to" the square of its side."
What are some alternatives to "that is equal to"?
You can use alternatives such as "that is equivalent to", "that amounts to", or "that is the same as" depending on the specific context.
Is it always necessary to use "that is equal to" for precise comparisons?
While "that is equal to" provides precision, other phrases can work if the context makes the equivalence clear. However, for mathematical or technical contexts, it's often the most appropriate choice.
What is the difference between "that is equal to" and "that is similar to"?
"That is equal to" indicates an exact match in value or amount, whereas "that is similar to" suggests a resemblance but not necessarily an exact correspondence.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested