twice that of

USAGE SUMMARY

"twice that of" is correct and usable in written English.
You can use it to compare two things when you want to indicate that one is two times larger than the other. For example, "The number of students was twice that of teachers."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

For example, the uptake of silicon is about twice that of nitrogen in rice.

Studies in Plant Science

This driving range is about twice that of electric cars that are available currently.

TechCrunch

twice that of France.

The New York Times

Its market capitalisation is twice that of Scotland's GDP.

The Guardian

Black infant mortality is twice that of white babies.

The Guardian

The homicide rate was twice that of today.

The New York Times

Visa's market capitalization is now nearly twice that of MasterCard.

The New York Times

Its overall area is roughly twice that of Norway.

Encyclopedia Britannica

Greater bulldog bats weigh about twice that of the lesser.

Encyclopedia Britannica

The proportion in the region is nearly twice that of any other region in the world.

The New York Times

The number of men infiltrating in 1964 was probably twice that of 1963.

The New Yorker

Expert writing Tips

Best practice

Maintain parallelism in your sentence structure when using "twice that of" to ensure clarity. For example, "The budget was twice that of last year's, and the impact was significantly greater."

Common error

Avoid ambiguity by ensuring the "that of" clearly refers to a specific noun or quantity; otherwise, rephrase to remove the pronoun and directly state the comparison.

Linguistic Context

The phrase "twice that of" functions as a comparative adjective phrase. It is used to quantify the degree to which one thing exceeds another, indicating a direct multiplicative relationship (specifically, a doubling). As Ludwig AI points out, the phrase is correct and can be used to compare when one thing is two times larger than the other.

Expression frequency: Very common

Frequent in

Science

43%

News & Media

42%

Encyclopedias

5%

Less common in

Formal & Business

5%

Reference

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "twice that of" is a grammatically sound and frequently used comparative phrase that clearly indicates one quantity is double another. Ludwig AI confirms its correctness for making comparisons. Its prevalence spans diverse contexts from scientific research to news reporting. When using the phrase, ensure clarity by explicitly defining the entities being compared and the units of measurement involved. Consider alternatives like "double that of" for stylistic variation, but maintain precision in quantitative comparisons.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

double that of

This alternative uses the adjective 'double' instead of the adverb 'twice', maintaining the meaning of being two times greater.

is twice as much as

This alternative directly uses the 'twice as much' construction, emphasizing the quantity or amount.

two times that of

This alternative is a more explicit version of "twice that of", using 'two times' to directly express the multiplicative factor.

twofold that of

Using 'twofold' offers a slightly more formal tone, indicating something is doubled or has two parts.

is the double of

This option simplifies the phrase structure, focusing on the state of being doubled.

increased by 100 percent compared to

This alternative is a percentage-based comparison, highlighting the increase relative to a baseline.

duplicates that of

This alternative uses "duplicates" maintaining the meaning of being two times greater.

is multiplied by two compared to

This alternative is more mathematical, explicitly stating the multiplication by two.

mirrors that of

This alternative uses "mirrors" maintaining the meaning of being two times greater.

represents a 100% increase over

This option quantifies the increase using percentages.

FAQs

How can I use "twice that of" in a sentence?

Use "twice that of" to compare two quantities, indicating that one is two times greater than the other. For example, "The new model's speed is "twice that of" the older version".

What are some alternatives to "twice that of"?

Alternatives include "double that of", "two times that of", or "twofold that of". The best choice depends on the context and desired level of formality.

Is it grammatically correct to say "twice than" instead of "twice that of"?

No, "twice than" is grammatically incorrect. The correct comparative construction is "twice as much as" or ""twice that of"".

When is it appropriate to use "twice that of" in writing?

The phrase "twice that of" is suitable for both formal and informal writing when you need to clearly express that one quantity is double another. It's common in news, scientific reports, and everyday conversation.