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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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quantity of days

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "quantity of days" is correct and usable in written English.
It can be used when referring to a specific number of days in a context where measurement or counting is relevant. Example: "The project will take a quantity of days to complete, depending on the resources available."

✓ Grammatically correct

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

For some, quality of life is more important than quantity of days that may be gained by aggressive treatment".

Efficacy of the treatment was assessed by quantity of days with headache during the month, quality of life index [2].

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

By finding this new way of "arguing," we give our partner and ourselves a great gift, improving the quality (and even the quantity) of the days of our lives together.

News & Media

Huffington Post

Figure  2 illustrates how the quantity of bed days at home may be influenced by changes in the cost of medical care as a result of health insurance.

A successor, the Large Synoptic Survey Telescope, due to come on stream in Chile in 2016, will acquire that quantity of data every five days.Such astronomical amounts of information can be found closer to Earth too.

News & Media

The Economist

It contains the patients' demographic characteristics (eg, age and sex), diagnoses (International Statistical Classification of Disease and Related Health Problems (ICD-10 codes)), prescription information (dose, quantity and number of days of supply) and the results of laboratory tests for approximately 410 000 patients at 16 medical facilities across Japan.

Science

BMJ Open

Big experiments collect such vast quantities of data these days that scientists cannot keep up.

News & Media

The Economist

To assess drug delivery, we calculated dose-density for each drug as the product of two quantities: the ratio of days taken by the existing BEP regimen to days taken by the accelerated regimen; and the proportion of planned doses given.

Pharmacy claims include details on dispense date, NDCs, quantity of medication dispensed, days supplied, and health plan payments.

Pharmacy claims include details on dispense date, National Drug Code NDCC), quantity of medication dispensed, days supplied, and health plan payments.

Average daily alcohol intake (in grams per day) was then calculated using the beverage-specific quantity frequency measure: number of days with alcohol consumption (beer, wine, and spirits) multiplied by the average daily alcohol consumption over the past week (KORA/DHS) or month (SHIP), respectively.

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Expert writing Tips

Best practice

When referring to the duration of something use the phrase "quantity of days", especially when precision is not required but a general sense of duration is conveyed.

Common error

Avoid using "quantity of days" when you need to specify an exact number. In cases where precision is key, "number of days" is more appropriate.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

76%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "quantity of days" functions as a noun phrase that generally refers to a duration or span of time. It is often used in contexts where the exact number of days is less important than the overall timeframe. Ludwig AI confirms its correct usage in English.

Expression frequency: Rare

Frequent in

Science

35%

News & Media

35%

Wiki

30%

Less common in

Formal & Business

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "quantity of days" is a grammatically correct way to refer to a duration of time, typically when the specific number of days is not critical or is an estimate. Ludwig AI affirms the validity of this phrase, though its frequency is relatively low. While "number of days" is often a more precise alternative, "quantity of days" is suitable for contexts where an approximation of duration is sufficient. It appears most frequently in scientific and news contexts, indicating a neutral to formal register.

FAQs

How can I use "quantity of days" in a sentence?

You can use "quantity of days" when you want to refer to the duration, but not necessarily an exact number. For example, "The project will take a quantity of days to complete, depending on the resources available."

What can I say instead of "quantity of days"?

You can use alternatives like "number of days", "duration in days", or "period of days" depending on the context.

Which is correct, "quantity of days" or "number of days"?

"Quantity of days" is correct, especially when referring to an estimated duration. "Number of days" is preferable when you are referring to a precise count.

What's the difference between "quantity of days" and "amount of days"?

Both phrases are understandable, but "quantity of days" is more common. "Amount of days" is less frequently used but conveys a similar meaning.

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Source & Trust

76%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences: