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
will be of approx
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "will be of approx" is not correct in standard written English.
The correct form would be "will be approximately" or "will be of approximately." Example: "The delivery will be of approximately three days."
⚠ May contain grammatical issues
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
1 human-written examples
The interview will be of approx. 45 minutes duration.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
end{aligned} Then it is easy to calculate [6, 7] that the 'optimal' value of the functional (25) of [1] will be (J approx 0.8).
For structural localization, a MEMPRAGE structural sequence with a spatial resolution of 1 × 1 × 1 mm 3 will be acquired (approx 9 minutes) for each subject.
The playback will be available from approx. 16.30 CET on December 20 , 2012 until 23.59 CET on December 27 , 2012
News & Media
Zillow's mortgage estimator shows the payment will be approx. $1,497/month.
News & Media
In (nu approx 0.2) the cooperators will represent only half of the population and such number of them will be constant up to (nu approx 0.25), forming a short plateau.
The starting point for the eight week progressive WP will be a minimum of a 10 minute walk (approx 1200 steps) on at least four days per week to be decided with, where possible, one day's rest between walks, on the basis of each participant's normal physical activity levels during the first week of recording.
The value of the stream function satisfying the inequality (12) will be denoted by Ψ, Psi approx frac{2}{pm Omega}E.
The self reflective document will be a typed one page document of approx [300-500] words.
Science
From (nu approx 0.25) to (nu approx 0.6) cooperators will be present at the beginning of the simulation but will diminish as time goes on.
During therapy patients blood samples of approx. 20 ml will be drawn once a week for immunological studies.
Science
Expert writing Tips
Best practice
Always use the full form "approximately" instead of the abbreviation "approx" in formal writing to maintain a professional tone.
Common error
Avoid using abbreviations like "approx" in formal contexts. Always spell out words fully unless the abbreviation is widely accepted and appropriate for the audience.
Source & Trust
80%
Authority and reliability
2.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "will be of approx" functions as part of a prepositional phrase aiming to express an approximation. However, it's grammatically incorrect due to the abbreviation. Ludwig AI suggests using "approximately" instead.
Frequent in
Science
66%
News & Media
33%
Formal & Business
0%
Less common in
Wiki
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "will be of approx" is an attempt to express approximation but falls short due to its incorrect grammar. Ludwig AI advises that using the full word "approximately" is the correct approach. While the phrase appears in contexts like Science and News & Media, it's best to avoid abbreviations in formal writing. For clearer and more professional communication, consider alternatives like "will be about" or "will be roughly".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
will be approximately
Replaces the abbreviated "approx" with its full form, providing better clarity and adherence to formal grammar.
will be about
Uses a simpler and more common way to indicate an estimate without any abbreviation.
will be roughly
Employs a synonym for 'approximately' to convey a similar level of estimation.
will be in the neighborhood of
Offers a more descriptive way to suggest an approximate value or range.
will be in the vicinity of
Similar to 'in the neighborhood of', but may suggest a more precise estimation.
is expected to be approximately
Indicates a future expectation with an approximate value.
will be close to
Indicates that the actual value is near a specific number, suggesting a smaller margin of error.
will be estimated at
Specifically indicates that the value is a professional or informed estimate.
will be something like
Informally suggests an approximation, suitable for casual contexts.
will average around
Suggests the result will hover around an average, indicating slight variations.
FAQs
What is the correct way to say "will be of approx"?
The correct way to say "will be of approx" is to use the full word: "will be approximately". You could also say "will be about" or "will be roughly".
When is it appropriate to use "approx" instead of "approximately"?
While "approx" is a common abbreviation, it's best reserved for informal notes or quick communications. In formal writing, always use "approximately".
What are some alternatives to saying something "will be of approximately" a certain value?
Instead of "will be of approximately", you can say it "will be about", "will be roughly", or "will be close to" the specified value.
Is there a difference between "approximately" and "about"?
"Approximately" is generally considered more formal and precise than "about", although both indicate an estimated or near value. The choice depends on the context and desired level of formality. "Approximately" is often preferred in technical or scientific writing.
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
80%
Authority and reliability
2.2/5
Expert rating
Real-world application tested