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
CEO of Professional Science Editing for Scientists @ prosciediting.com
each ten days
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "each ten days" is not commonly used in written English and may sound awkward.
It can be used to describe an event or action that occurs every ten days, but "every ten days" is more standard. Example: "The report is due each ten days, so I need to stay organized."
⚠ May contain grammatical issues
Alternative expressions(19)
every ten days
every tenth day
ten days apart
each and every ten days
regularly every ten days
every ten households
every ten courses
every ten participants
every ten weeks
every ten jobs
every ten mice
every ten feet
every ten minutes
every ten pixels
every ten booths
every ten trials
every ten years
every ten pounds
every ten books
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The service is free for up to twenty questions each thirty days, and they get half a million of them per day.
News & Media
He runs 100 miles a week instead of the typical 120, taking one day off each seven days.
News & Media
This injection scheme was repeated three times, each three days, and the entire experiment covered a 9 day period.
Science
Media of the culture environment was changed frequently each three days.
All arms served as start and goal arms roughly equally across each twenty-four days of testing.
Silver sulfadiazine (SSD), Flammazine® (1% SSD) or Flammacerium® (1% SSD + 2.2% cerium nitrate), is generally applied each two days.
Each day for ten days they filled out anonymous questionnaires asking them to detail their experiences.
News & Media
Argos says it offers four home delivery slots each day, seven days a week, except for Christmas Day.
News & Media
She worked more than 12 hours each day, six days a week.
News & Media
Six delivery trucks dedicated to residential accounts are on the road each day, five days a week.
News & Media
Each week it runs short 'flash sales' lasting around ten days each.
News & Media
Expert writing Tips
Best practice
Opt for "every ten days" instead of "each ten days" for clarity and better readability. "Every ten days" is the more conventional and widely accepted form.
Common error
Avoid using "each ten days" in formal writing. It can sound unnatural. Use the alternative "every ten days" to ensure clarity and avoid confusing your reader.
Source & Trust
78%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "each ten days" functions as an adverbial phrase, attempting to specify the frequency of an event. However, Ludwig's analysis indicates that this phrasing is not standard and may sound awkward to native English speakers.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, while "each ten days" might be understandable, it's not considered standard English. Ludwig AI analysis suggests using more conventional alternatives like "every ten days" or "once every ten days" to ensure clarity and avoid awkward phrasing. The absence of examples in Ludwig underscores its limited usage, making it advisable to opt for more common expressions, especially in formal writing. Choosing more conventional language enhances readability and avoids potential confusion.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
every ten days
More standard and commonly used alternative.
every tenth day
Similar to "every ten days" but can sound more formal.
once every ten days
Emphasizes the singularity of the event within the ten-day period.
at ten-day intervals
Highlights the regular spacing between occurrences.
ten days apart
Focuses on the separation between two points in time.
approximately every ten days
Indicates an estimated timeframe, not necessarily exact.
around every ten days
Similar to "approximately every ten days", implying some variability.
roughly every ten days
Implies an approximation, allowing for some deviation from the exact ten-day period.
in ten-day cycles
Suggests a recurring pattern or process.
decennial
Refers to something that happens every ten years, a longer time period.
FAQs
What's a better way to say "each ten days"?
The phrase "every ten days" is a more common and natural-sounding alternative to "each ten days".
Is "each ten days" grammatically correct?
While understandable, "each ten days" is not the most grammatically sound or widely accepted phrasing. It's generally better to use "every ten days".
When should I use "every ten days" instead of "each ten days"?
You should almost always use "every ten days". It's more common, grammatically correct, and easily understood. "Each ten days" is rarely the best option.
What does "every ten days" mean?
"Every ten days" means that something occurs once in a period of ten days. For example: "The report is due "every ten days", so I need to stay organized".
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
78%
Authority and reliability
2.8/5
Expert rating
Real-world application tested