once per month

USAGE SUMMARY

The phrase "once per month" is correct and can be used in written English.
You can use it when you want to describe something that happens one time each month. For example, "I go to the bank once per month to make a deposit."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

Services are held once per month between April and September.

Wikipedia

These security updates will take place regularly about once per month".

Independent

Migrating en masse to Strasbourg once per month was disruptive enough.

The Guardian

So, I think he will masturbate once per month in the dark and with a pillow.

The New York Times - Style

We aimed at monitoring each site once per month.

Ecological Processes

The minimum measuring frequency for priority substances is currently set at once per month.

Chemosphere

Payments are made once per month via PayPal.

TechCrunch

From March, this evaluation has been executed in orbit once per month.

Earth, Planets and Space

Each year, two groups of five to twenty teachers met for 3 h once per month.

International Journal of STEM Education

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

The adolescents participated in educational meetings once-per month during 60 minutes.

BioMed Research International

"Amazon's Prime service allows a once-per-month free borrow of certain books," explains Kingsley.

Huffington Post

Expert writing Tips

Best practice

When specifying exact dates for tasks done "once per month", include the specific date to avoid ambiguity. For example, "Submit your report once per month, on the 15th."

Common error

Avoid using "once per month" when you mean "at least once a month". The former specifies a single instance, while the latter allows for multiple occurrences.

Linguistic Context

The phrase "once per month" functions as an adverbial phrase of frequency, modifying a verb to specify how often an action occurs. Ludwig confirms that the phrase is grammatically sound and suitable for written English.

Expression frequency: Very common

Frequent in

Science

39%

News & Media

34%

Wiki

9%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "once per month" is a grammatically correct and frequently used adverbial phrase that clearly indicates the monthly occurrence of an event or activity. According to Ludwig, this phrase is suitable for various contexts, ranging from scientific reports and news articles to everyday conversations. To maximize clarity, consider specifying the exact date when using "once per month". While alternatives like "monthly" or "every month" exist, "once per month" offers a precise and easily understood way to convey frequency. Avoid using it interchangeably with phrases like "at least once a month", to prevent confusion about intended frequency. With its widespread use and clear meaning, mastering "once per month" contributes to effective and accurate communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

monthly

A single word that means occurring or done once a month.

every month

Uses different wording to convey the same frequency.

one time each month

Rephrases using "one time" for emphasis.

on a monthly basis

Formal alternative using "basis".

at monthly intervals

Emphasizes the spacing between occurrences.

once a calendar month

Specifies a standard calendar month.

each and every month

Adds emphasis to the regularity.

at least once a month

Indicates a minimum frequency.

regularly each month

Highlights the consistent repetition.

every 30 days

Specifies the frequency with an approximate number of days.

FAQs

How can I use "once per month" in a sentence?

You can use "once per month" to describe how often something happens. For instance, "The team meets "once per month" to discuss project progress."

What are some alternatives to saying "once per month"?

Alternatives include "monthly", "every month", or "on a monthly basis" depending on the formality required.

Is it correct to say "one time per month" instead of "once per month"?

While "one time per month" is understandable, "once per month" is more concise and commonly used. Therefore, it is generally preferred.

What's the difference between "once per month" and "twice per month"?

"Once per month" indicates something happens one time during the month. "Twice per month" indicates it occurs two times during the month. The only difference is the "frequency" of the action.