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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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of which roughly

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "of which roughly" is correct and usable in written English.
It can be used when you want to indicate an approximate quantity or estimate related to a specific subject or context. Example: "The study surveyed 1,000 participants, of which roughly 60% reported feeling satisfied with their experience."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

49 human-written examples

He pays her $20,000 a month, of which roughly half is alimony and half child support.

News & Media

The New York Times

Thurber's youthful letters, of which roughly a hundred pages' worth are included, are mostly self-conscious and sophomoric.

There are now about 1,200 sites waiting to be cleaned up, of which roughly half are orphan sites.

News & Media

The New York Times

Sega officials said the company did not have deep enough pockets to market the Dreamcast, of which roughly 6.5 million were sold worldwide, the company said.

News & Media

The New York Times

Nediya interpolates lyrics from an old Kuwaiti song, part of which roughly translates as: "Morning dew, go to my lover's house as an offering to him.

It had revenues of about £117m in 2009, of which roughly half came from the public sector, and provided a dividend of about £5m to the Treasury.

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Human-verified similar examples from authoritative sources

Similar Expressions

10 human-written examples

One standard drink was defined as 0.5 l of beer, 2 dl of wine or 50 ml of spirits, which roughly equals 20 g ethanol.

The 80,700 BAC-end sequences added up to a total of about 56.5 Mb of sequence, which roughly corresponds to 0.05 genome equivalents.

Super Thursday also sees the release of an armload of books exploring the Danish concept of hygge, which roughly translates as cosiness.

This fraction is equivalent with the effective synthesis yield per additional G of 40% 50% which roughly halves the number of remaining full length probes according to our data.

Science

Plosone

Secondly, the Bayesian theory is not sensitive to the weight of evidence which, roughly put, is the amount of evidence that is available.

Science

SEP
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Expert writing Tips

Best practice

Use "of which roughly" to provide an estimate when the exact number isn't known or necessary. For example: "The project required 200 hours, "of which roughly" 50 were spent on research."

Common error

Avoid using "of which roughly" with uncountable nouns. Instead, opt for phrases like "roughly the amount of" or "approximately the quantity of". For example, avoid saying "the water, "of which roughly" half was polluted" and say "the water, roughly half the amount was polluted".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "of which roughly" functions as a prepositional phrase introducing an approximation or estimate related to a previously mentioned quantity. Ludwig indicates that this phrase is commonly used to provide an inexact figure or proportion.

Expression frequency: Common

Frequent in

News & Media

37%

Science

35%

Formal & Business

13%

Less common in

Wiki

7%

Encyclopedias

2%

Academia

0%

Ludwig's WRAP-UP

In summary, the phrase "of which roughly" is a common and grammatically sound way to introduce an approximate quantity or proportion. According to Ludwig, its usage spans across different contexts including news, science and business communication. When precision isn't critical, it's an effective tool for conveying estimates and is considered acceptable. When referring to people, it's more appropriate to use the phrase "of whom roughly". Overall, "of which roughly" is a versatile phrase for indicating approximations.

FAQs

How can I use "of which roughly" in a sentence?

Use "of which roughly" to indicate an approximate portion or quantity related to a specific whole. For example: "The company has 500 employees, "of which roughly" 100 work remotely."

What phrases are similar to "of which roughly"?

Similar phrases include "approximately which", "about which", or "a portion of which", depending on the desired level of formality and precision.

Is it better to use "of which approximately" or "of which roughly"?

"Of which approximately" and "of which roughly" are quite similar. "Approximately" is generally considered more formal than "roughly", but both are acceptable.

Can I use "of which roughly" when referring to people?

While "of which" typically refers to things, you can use "of whom roughly" when referring to people. For instance: "The team consists of 20 members, "of whom roughly" half are engineers."

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Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: