Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

a amount of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase 'a amount of' is a correct and usable phrase in written English.
It can be used when referring to a quantity, usually an unspecified quantity, of something (as in "there is a certain amount of apples"). For example, you could say "I had a large amount of homework to do last night."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

28 human-written examples

The use of GLM models for this work is problematic for the following reasons: A) Amount of data and overfitting.

Science

eLife

(a) Amount of light absorption of semi-infinite c-Si substrate with IPA by FDTD simulation.

Science & Research

Nature

(a) Amount of mHTT aggregates from cell-free lysates seeded with CSF from BACHD transgenic rats (BAC) and wild-type rats (WT).

Science & Research

Nature

(a) Amount of energy produced (TWh, or 1 × 1012 Wh) for each solar panel installation scenario for January (blue), July (green) averaged over 2007 and 2009.

Science & Research

Nature

Clinicians' advice to patients on self-care items such as: (a) amount of alcohol and (b) caffeine intake, (c) exercise activity, (d) stressful events, (e) "when to go to the emergency department (ED)," and (f) lifestyle changes, was evaluated to assess consistency in practice.

E(T a ): Amount of saturated water vapor at Ta [g/m3].

Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

32 human-written examples

After gel chromatography the SP-A amount of the eluted fractions (800 μl) was determined by Slot-Blot.

Select an amount of eggs.

Colors finds an amount of colors specified.

Decide on an amount of money.

"A good amount of everything.

Show more...

Expert writing Tips

Best practice

When using "a amount of", ensure it's followed by a noun that can be quantified. For instance, "a amount of effort" or "a amount of resources".

Common error

The most frequent mistake is using the article "a" before a noun that begins with a vowel sound. Always use "an amount of" instead of "a amount of".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

78%

Authority and reliability

3.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a amount of" functions as a determiner phrase, specifically quantifying or specifying a particular quantity of something. However, it is grammatically unconventional and less preferred than "an amount of". Ludwig's AI suggests the proper phrase is "an amount of".

Expression frequency: Uncommon

Frequent in

Science

40%

News & Media

30%

Wiki

10%

Less common in

Academia

10%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, while the phrase "a amount of" is technically understandable, it's generally considered grammatically incorrect due to the vowel sound that begins the word "amount". As Ludwig AI pointed out, the correct and more widely accepted phrase is "an amount of". Instances of "a amount of" can be found across various sources, but using "an" adheres to standard English grammar and is more stylistically appropriate. When aiming for precision and clarity, remember that proper article usage significantly enhances the credibility and readability of your writing.

FAQs

Is it correct to use "a amount of"?

While grammatically understandable, it's more common and stylistically preferred to use "an amount of", as "amount" begins with a vowel sound.

What's the difference between "a amount of" and "an amount of"?

The choice between "a" and "an" depends on the sound of the following word. Since "amount" starts with a vowel sound, "an amount of" is generally considered correct.

Which is more commonly used, "a amount of" or "an amount of"?

"An amount of" is far more prevalent in standard English usage than "a amount of". Using "an" ensures proper grammar.

What are some alternatives to "a amount of" that I can use in my writing?

Depending on the context, you can use alternatives like "a quantity of", "a portion of", or "some".

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

78%

Authority and reliability

3.8/5

Expert rating

Real-world application tested

Most frequent sentences: