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
extend about
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "extend about" is not commonly used in written English and may not convey a clear meaning.
It could be used in contexts where you want to indicate that something reaches or spreads over a certain area or distance, but it may require additional clarification. Example: "The forest extends about five miles to the north."
Encyclopedias
News & Media
Science
Wiki
Alternative expressions(6)
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
50 human-written examples
Those near the Sun measure roughly 100 to 200 light-years in diameter, while those elsewhere in the galaxy typically extend about 700 light-years across.
Encyclopedias
The nasal and premaxillary bones extend about as far backward.
Wiki
Small clumps may extend about one light-year across.
Encyclopedias
The tubules, if straightened, would extend about 70 cm (about 28 inches).
Encyclopedias
The outdoor tables at Muzzo Café extend about half a block in every direction.
News & Media
Along the Saoura (known as Wadi Messaoud farther south), date-palm groves extend about 200 miles (320 km).
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
10 human-written examples
This paper describes the interaction region (IR) extending about 8 m from the interaction point (IP) along each beam direction.
Loch Lomond extends about 24 miles (39 km), widening south in the shape of a triangle.
Encyclopedias
I've had immense fun with Edge Extended (about $3 on Google Play).
News & Media
It extends about 20,850sq miles and holds a volume of about 672 cubic miles.
News & Media
From Dumbarton the firth extends about 65 miles (105 km) to the small island of Ailsa Craig.
Encyclopedias
Expert writing Tips
Best practice
When describing spatial or temporal measurements, consider using more specific verbs like "span", "reach", or "stretch" combined with "about" for enhanced clarity.
Common error
While grammatically correct, relying heavily on "extend about" can make your writing sound repetitive. Vary your vocabulary by using synonyms like "span approximately" or "reach roughly" to maintain reader engagement.
Source & Trust
82%
Authority and reliability
3.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "extend about" primarily functions as a verb phrase indicating the approximate spatial or temporal extent of something. Ludwig examples show it describing distances, lengths of objects, and durations. While acceptable, Ludwig AI suggests considering more precise language.
Frequent in
News & Media
31%
Encyclopedias
25%
Wiki
22%
Less common in
Science
22%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "extend about" is a phrase used to indicate an approximate length, distance, or duration. While grammatically sound, it is frequently found in diverse contexts like News & Media and Encyclopedias. Ludwig AI points out that the phrase is not incorrect but can often be replaced with more descriptive alternatives, such as "stretch to about", to enhance clarity and avoid repetitiveness. Therefore, while "extend about" serves its purpose, writers should aim for precision and variety in their expression.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
stretch to about
"Stretch" emphasizes length or duration, adding a visual element, while "about" keeps the approximate nature.
span approximately
Replaces "extend" with "span" emphasizing the act of covering a distance, while "approximately" softens the exactness.
reach roughly
Substitutes "extend" with "reach", focusing on the endpoint, and "roughly" maintains the approximation.
spread to approximately
"Spread" conveys a widening or unfolding, paired with "approximately" for estimation.
cover nearly
Employs "cover" to indicate the area affected and "nearly" to convey an estimated quantity.
last for roughly
Emphasizes temporal duration, using "last" to indicate the duration and "roughly" for approximation.
go for around
Uses "go for" to suggest a general range and "around" to denote approximation.
continue for almost
Focuses on duration with "continue" and uses "almost" to signify an approximation.
amount to around
Indicates a total quantity or sum, with "around" specifying an approximate value.
approximate
A concise way to convey nearly the same meaning by using a verb that is close to the nature of the verb 'extend'.
FAQs
What does "extend about" mean?
"Extend about" means to reach or stretch to an approximate distance or degree. It's used to indicate the approximate length, duration, or scope of something.
How can I use "extend about" in a sentence?
You can use "extend about" to describe the approximate length or reach of something, such as: "The property line "stretches to about" 100 feet from the road".
What are some alternatives to "extend about"?
Alternatives to "extend about" include phrases like "span approximately", "reach roughly", or "cover nearly". The best choice depends on the specific context.
Is it better to use "extend about" or "extends about"?
The choice between "extend about" and "extends about" depends on the subject. Use "extend about" with plural subjects (e.g., "The branches extend about 20 feet") and "extends about" with singular subjects (e.g., "The branch extends about 20 feet").
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
3.9/5
Expert rating
Real-world application tested