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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
2 km long
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the sentence "2 km long" is correct and usable in written English.
You can use it to describe something that is two kilometers in length. For example: The Great Wall of China is approximately 2 km long.
✓ Grammatically correct
Science
Encyclopedias
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
19 human-written examples
Vessels then pass through a channel almost 1.2 miles (2 km) long to the two-stepped locks at Miraflores, where they are lowered to sea level.
Encyclopedias
Belonging to the city of Konstanz, it is 3 miles (5 km) long and 1 mile (1.6 km) wide and is connected to the mainland by a causeway 1.25 miles (2 km) long.
Encyclopedias
The patch of road was 2 km long.
A more easily submersible segment of the lake shoreline about 2 km long was identified.
We simulate a 2 KM long highway in which 75 vehicles are kept uniformly distributed.
The Tisler cold-water coral reef is a 2 km long reef in the north-eastern Skagerrak, Norway.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
It is 64 miles (103 km) long.
Encyclopedias
The river is 264 miles (425 km) long.
Encyclopedias
Its coastline is about 138 miles (220 km) long.
Encyclopedias
Its total course is some 250 miles (400 km) long.
Encyclopedias
São Paulo has a coastline 370 miles (600 km) long.
Encyclopedias
Expert writing Tips
Best practice
When describing the length of an object or distance, use "2 km long" after specifying the object or subject. For example: 'The hiking trail is "2 km long"'.
Common error
Avoid mixing units or using incorrect conversions. Ensure that you are consistently using kilometers (km) and not switching between kilometers and miles without proper conversion.
Source & Trust
76%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "2 km long" functions as an adjectival phrase that modifies a noun, specifying its length. Ludwig shows numerous examples of this usage, confirming its standard grammatical role.
Frequent in
Science
60%
Encyclopedias
20%
Wiki
10%
Less common in
Formal & Business
3%
News & Media
4%
Reference
3%
Ludwig's WRAP-UP
The phrase "2 km long" is a common and grammatically sound way to specify the length of something. As Ludwig AI confirms, it functions as an adjectival phrase, modifying a noun by providing its length measurement. It is most frequently used in scientific, encyclopedic, and wiki contexts. When using this phrase, it's important to maintain consistency in units and avoid mixing kilometers with other units without proper conversion. For alternative phrasing, consider options such as "two kilometers in length" or "spanning 2 kilometers".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
two kilometers in length
Rephrases the length using "in length" instead of "long".
length of 2 km
Expresses the same information by placing length first as a noun.
spanning 2 kilometers
Uses the verb "spanning" to describe the length.
extending 2 kilometers
Uses the verb "extending" to describe the length.
a 2-kilometer stretch
Uses the noun "stretch" to describe the distance.
measuring 2 km
Uses the verb "measuring" to describe the length.
with a 2 km distance
Focuses on the "distance" of 2 km.
covers 2 kilometers
Uses the verb "covers" to express the extent.
2000 meters long
Converts kilometers to meters to express length.
approximately 2 km in length
Adds "approximately" to indicate an estimation.
FAQs
How can I use "2 km long" in a sentence?
You can use "2 km long" to describe the length of something, for example: "The new bridge is "2 km long"." It specifies the measurement of length.
What is a synonym for "2 km long"?
Alternatives include "two kilometers in length", "length of 2 km", or "spanning 2 kilometers".
Is it better to say "2 km long" or "2 kilometers long"?
Both "2 km long" and "2 kilometers long" are correct. "2 km long" is a more concise and commonly used form, especially in technical or scientific contexts.
What is the difference between "2 km long" and "2 km wide"?
"2 km long" refers to the length of something, while "2 km wide" refers to its width. Length is the longest dimension, and width is the measurement of something from side to side.
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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
76%
Authority and reliability
4.5/5
Expert rating
Real-world application tested