increase by two fold

USAGE SUMMARY

The phrase "increase by two fold" is not correct in standard English; the correct expression is "increase twofold." You can use it when describing a situation where something has doubled in quantity or size.
Example: "The company's profits increased twofold over the last year."

⚠ May contain grammatical issues

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

Further, the total number of CD31 positive cells in the ApoA-I treated population consistently increased by two fold.

Duke University

Heparitinase-resistant and nitrous acid-sensitive HS was increased by two fold (2300 cpm in control versus 4550 cpm in glucosamine treated) suggesting that glucosamine treatment of endothelial cells increased heparin-like HS.

Cardiovascular Diabetology

At the end of 2020, construction area in China is predicted to increase by one fold, which is 68,600 million square meters [33].

Plosone

Pre-miRNA-193b exhibited increased levels by two fold.

Plosone

A review by Rice et al. [ 28] reported that the risk of mortality from respiratory infections is increased by two folds to three folds if associated with anthropometric status.

BMC Public Health

This marker, which depends on the measurement of the amount of circulating albumin modified due to ischemic stress, was increased by two folds from 0.42 ± 0.3 ABSU in the sham group to 0.84 ± 0.43 ABSU in the S/C group (P = 0.003) but was not significantly decreased in the S/C + EP group (P = 0.22).

BioMed Research International

MDA levels were increased by two folds in the S/C group versus the sham groups and reached to 2.95 ± 1.45 nmol/mL (P = 0.000) but decreased to 1.96 ± 0.61 nmol/mL in the S/C group that received EP (P = 0.004).

BioMed Research International

Even though exogenous PDX1 is not required for the conversion observed here, we found that exogenous PDX1 increased INS expression by two fold.

eLife

(6) Heat value of clean coal could be increased by three fold (15,690 kJ/kg) of the feed sample.

International Journal of Coal Science & Technology

Heat value of clean coal could be increased by three fold (15,690 kJ/kg) of the feed sample.

International Journal of Coal Science & Technology

The number of Jews increased by twenty- fold during the war.

Huffington Post

Expert writing Tips

Best practice

Use the correct phrase "increase twofold" instead of "increase by two fold". This ensures grammatical accuracy and clarity in your writing.

Common error

Avoid using "increase by X fold". The correct form is "increase X-fold" or "increase to X times the original amount". For example, say "increase twofold" or "increase to twice the original amount" instead of "increase by two fold".

Linguistic Context

The phrase "increase by two fold" functions as a verbal phrase aiming to describe the degree of augmentation. However, it is grammatically incorrect. According to Ludwig AI, the correct form is to use the adverb "twofold" directly modifying the verb, like "increase twofold."

Expression frequency: Missing

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Ludwig's WRAP-UP

The phrase "increase by two fold" is an incorrect way to express a doubling. Standard English dictates the use of "increase twofold" or alternatives such as "double" or "increase by 100 percent". Ludwig AI confirms that the phrase is grammatically flawed. Therefore, avoid using "increase by two fold" in formal writing. Always opt for grammatically sound alternatives to ensure clarity and precision in your communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

increase twofold

Changes the structure to use "twofold" as an adverb modifying "increase."

double

Replaces the entire phrase with a single, equivalent verb.

increase by 100 percent

Expresses the same increase using a percentage.

grow twofold

Synonymous with "increase twofold", replacing "increase" with "grow."

multiply by two

Focuses on the mathematical operation of multiplication.

twice as much

Describes the result of the increase rather than the action.

increase to twice the amount

Clarifies that the final amount is double the initial amount.

a two-fold increase

Uses a noun phrase to describe the increase.

augment by a factor of two

Uses more formal and technical vocabulary.

escalate to double the size

Replaces "increase" with "escalate", specifying size as the measured attribute.

FAQs

How can I correctly use the term "increase by two fold"?

The grammatically correct way to express this concept is to use "increase twofold", which directly indicates a doubling.

What's a simple alternative to "increase by two fold"?

A simple and direct alternative is to use the word "double", which means to multiply by two.

Is there a difference between "increase twofold" and "increase by two fold"?

Yes, "increase twofold" is the grammatically correct and widely accepted form, while "increase by two fold" is considered incorrect.

Can I express "increase by two fold" using percentages?

Yes, you can say "increase by 100 percent", which is equivalent to doubling the original amount.