two times longer

USAGE SUMMARY

The phrase "two times longer" is correct and usable in written English.
It can be used to compare the length of one object or duration to another, indicating that it is double the length of the other. Example: "This rope is two times longer than the one we used last time."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

40 human-written examples

Using the in-house ITP chip the isotachophoretic step of lactate from human serum was approximately two times longer.

Analytica Chimica Acta

The discharge time and volume energy density of the LE-DMFC are two times longer and three times greater than those of the C-DMFC, respectively.

Journal of Power Sources

However, for the TBCs with the same equivalent thermal insulation performance, L570 TBC presents a more than two times longer lifetime than D1000 TBC.

Ceramics International

The modification of motilin(1 12) fragment by C-terminal part of ghrelin hardly influenced its agonist activity to GPR38 and almost all these chimeric peptides showed more than two times longer plasma half-lives than motilin in rats.

Peptides

And yet I have spent more than 30 absorbing hours with Borderlands, which is at least two times longer than most big-budget games last these days, and I know there are still places I haven't been, styles of play I have not fully explored, missions I have not fulfilled and, of course, shiny treasure I haven't yet nabbed.

The New York Times - Arts

Nexus 9 standby battery life is up to two times longer as a result of using Doze, Burke says.

Forbes

Human-verified similar examples from authoritative sources

Similar Expressions

20 human-written examples

The handshake, however, lasted three times longer than the others.

The Guardian

"Forget that - it takes at least five times longer".

The Guardian

Plus, Go games tend to last two to three times longer than chess games.

Massachusetts Institute of Technology

The hypothetical 'slow travel' routes are approximately eight to ten times longer than flying.

Transportation Research Part D: Transport and Environment

which was over six times longer than that reported for vascular endothelial cells and fibroblasts.

Medical Engineering & Physics

Expert writing Tips

Best practice

When comparing lengths, ensure the units of measurement are consistent to avoid confusion. For example, compare meters to meters, not meters to feet.

Common error

Avoid using "two times longer" when you actually mean a different multiple. Always verify the factor by which one length exceeds another to ensure accuracy in your comparison.

Linguistic Context

The phrase "two times longer" functions as a quantitative adjective phrase, modifying a noun to specify its length in relation to another object or standard. As Ludwig AI points out, this phrase is used to indicate that something is double the length of something else.

Expression frequency: Very common

Frequent in

Science

65%

News & Media

30%

Wiki

5%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "two times longer" is a grammatically correct and frequently used expression to describe something that is double the length of another. Ludwig AI confirms its validity and widespread use. While alternatives such as "twice as long" and "double the length" exist and may sometimes be preferred for brevity, "two times longer" remains a clear and acceptable option across diverse contexts, especially in science and news media. When using this phrase, ensure consistency in measurement units and accuracy in the factor of comparison.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

twice as long

Uses a more concise construction to indicate a doubling of length.

double the length

Emphasizes the numerical factor by which the length is increased.

double in length

More concise phrasing, directly stating the action on the length.

twofold increase in length

Formal and emphasizes the increase rather than just the final length.

increased by a factor of two in length

Highlights the factor of increase in a more technical context.

two times the duration

Focuses on duration rather than spatial length.

100 percent longer

Expresses the increase as a percentage.

extends twice the distance

Focuses on the extent of the length.

twice the reach

Emphasizes the extent of something can reach.

double the span

Uses 'span' to refer to length, focusing on the measurement across something.

FAQs

How do I use "two times longer" in a sentence?

Use "two times longer" to describe something whose length is double that of another. For example: "This rope is "two times longer" than the previous one".

What's a more concise way to say "two times longer"?

Alternatives include "twice as long" or "double the length", which are shorter and often preferred in informal contexts.

Is "two times longer" grammatically correct?

Yes, "two times longer" is grammatically correct, although some may find "twice as long" to be more stylistically elegant.

How does "two times longer" compare to "three times longer" or other multiples?

"Two times longer" indicates a doubling, while "three times longer" indicates a tripling, and so on. Each phrase specifies the multiplicative factor of length increase.