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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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2 km long

Grammar usage guide and real-world examples

USAGE 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

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.

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.

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.

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Human-verified similar examples from authoritative sources

Similar Expressions

41 human-written examples

It is 64 miles (103 km) long.

The river is 264 miles (425 km) long.

Its coastline is about 138 miles (220 km) long.

Its total course is some 250 miles (400 km) long.

São Paulo has a coastline 370 miles (600 km) long.

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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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Common

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".

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"?

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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Authority and reliability

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Real-world application tested

Most frequent sentences: