twice as fast

USAGE SUMMARY

"twice as fast" is correct and usable in written English.
You can use it to describe how one thing is faster than another. For example, "This computer is twice as fast as my old one."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

It's twice as fast!

The New York Times

It was falling twice as fast.

The Guardian - Tech

But they spin twice as fast.

The New York Times - Science

This vessel is twice as fast as a harpoon vessel".

The Guardian

That is about twice as fast as existing machines.

The New York Times

Who can write or draw legibly twice as fast anyway?

The New Yorker

But administrative costs increased more than twice as fast.

The New York Times

In other words, the nonbrands grew twice as fast.

The New York Times - Magazine

Exports grew 6.4percentt, almost twice as fast as imports.

The New York Times

This one is twice as fast as itself.

The New Yorker

He says downloading data can be twice as fast.

The New York Times

Expert writing Tips

Best practice

Use "twice as fast" to clearly and concisely express that something's speed or rate is double that of something else. This phrase is effective in technical descriptions, comparative analyses, and everyday explanations.

Common error

Be mindful of redundant phrasing such as "twice as fast as double". "Twice as fast" already implies doubling, so avoid adding extra words that repeat the same idea.

Linguistic Context

The phrase "twice as fast" functions as an adverbial phrase, modifying verbs or clauses to indicate the degree to which an action is performed more quickly compared to another. Ludwig confirms its grammatical correctness and usability.

Expression frequency: Very common

Frequent in

News & Media

47%

Science

32%

Wiki

4%

Less common in

Formal & Business

3%

Reference

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "twice as fast" is a grammatically correct and very common way to express that something's speed is double that of something else. Ludwig AI confirms its validity and usability. It is used across various contexts, including news, science, and technology, to provide a clear, quantifiable comparison. Related phrases include "double the speed" and "twofold speed". When using this phrase, ensure clarity and avoid redundant phrasing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

twice as quickly

Substitutes "fast" with the adverb "quickly".

double the speed

This alternative uses a noun-based approach, emphasizing the amount of speed rather than a comparative adjective.

two times faster

Adds the word "times" for emphasis, but maintains the same core meaning.

twice the velocity

Replaces "speed" with "velocity", which is more formal and precise but keeps the core meaning.

twofold speed

This alternative is more concise and emphasizes the multiplicative factor.

doubled in speed

Focuses on the action of increasing speed rather than a direct comparison.

twice the rate

Uses "rate" instead of "speed", suitable when discussing processes or occurrences.

running at double speed

This expresses the speed in terms of how something is performing or executing an action.

significantly faster

This alternative is less precise, indicating a notable but unspecified increase in speed.

considerably quicker

This alternative offers a synonym for faster, while still communicating the same idea.

FAQs

How can I use "twice as fast" in a sentence?

You can use "twice as fast" to compare the speed of two things. For instance, "The new processor is "twice as fast" as the old one."

What's a synonym for "twice as fast"?

Alternatives to "twice as fast" include "double the speed", "twofold speed", or "two times faster".

Is it correct to say "twice as faster"?

No, "twice as faster" is grammatically incorrect. The correct form is "twice as fast".

What's the difference between "twice as fast" and "much faster"?

"Twice as fast" indicates a specific, quantifiable difference in speed, while "much faster" is a general, non-specific comparison.