"once a month" vs "once per month"

Question

"once a month" vs "once per month"

Both "once a month" and "once per month" are correct and commonly used phrases in English. They are interchangeable and convey the same meaning. The choice between them is a matter of personal preference.

Last Updated: March 29, 2024

This phrase means something that happens every month, emphasizing the frequency of the event.

Examples:

I go to the gym once a month.
The magazine is published once a month.
We have a team meeting once a month.
She visits her grandparents once a month.
The car needs to be serviced once a month.

Alternatives:

monthly
every month
once every month
monthly basis

This phrase also means something that happens every month, emphasizing the regularity of the occurrence.

Examples:

The rent is due once per month.
They clean the house once per month.
The committee meets once per month.
I get paid once per month.
The report is generated once per month.

Alternatives:

monthly
every month
once every month
monthly basis

Answer 1

once a month

This phrase is correct and commonly used in English.

Answer 2

once per month

This phrase is correct and commonly used in English.

"once a month" vs "once per month"

once a month

once per month

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