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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
11
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "11" is correct and usable in written English, depending on the context.
You can use it when referring to the number itself, such as in mathematics, counting, or labeling.
Example: "There are 11 apples in the basket."
Alternatives: "eleven" or "the number 11".
✓ Grammatically correct
News & Media
Sport
General
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
37 human-written examples
This will be short story 2. Week 15: The novel - Monday 11 January Students will have already been set two contrasting novels to read and in this session we will dissect how they work from a writer's craft rather than an academic point of view.
News & Media
Justin Henry was eight when he was nominated for the 1979 film Kramer vs Kramer, and Anna Paquin won one for The Piano when she too was 11.
News & Media
The report responds to lawmakers, mainly Republicans, who have argued that federal authorities must do much more to strengthen enforcement before Congress can consider any legalization for an estimated 11 million illegal immigrants in the country.
News & Media
It was a similar story for Battleship, an alien attack movie as American as McDonald's apple pie, which dropped anchor in 26 territories on 11 April, five weeks before it will dock on US shores.
News & Media
Or, putting the geography to one side, to mid-table in the most watched league in world football via one relegation, a painful administration and 11 different managers – permanent, interim or caretaker – at Palace alone.
News & Media
"We have obviously had now 11 suspected cases [of Ebola], all of which have been negative after testing," he said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
22 human-written examples
After 9/11 Uzbekistan became a close strategic partner of the US, providing military facilities and transit routes to support US and Nato operations in Afghanistan.
News & Media
If you are in distress and would like assistance, call Lifeline on 13 11 14, BeyondBlue on 1300 224 636 or Mensline on 1300 789 978 for support and information.
News & Media
Meredydd Hughes, who was chief constable from 2004-11, had told MPs on the home affairs select committee in September that he had "no understanding of the scale and scope of what was going on in Rotherham".
News & Media
cleveland.cbslocal.com/2012/10/11/pil… twitter.com/BuzzFeedAndrew… Facebook Twitter Google plus Share Share this post Facebook Twitter Google plus close 11.30pm BST23 30 Obama showing 3-to-1 lead among Latino voters, Pew finds But will President Obama's lead among Latino voters be undermined by low turnout?
News & Media
This might not be a problem if it were a drug for TB, malaria or AIDS – but critics of the HPV donation asked why cervical cancer received such a comprehensive effort in Rwanda – reaching 95% for 11-year-old girls when disease incidence lags well behind other vaccine-preventable diseases in the developing world (read the Rwandan health minister's persuasive rebuttal).
News & Media
Expert writing Tips
Best practice
When writing about dates or specific quantities, "11" is preferred. Use "eleven" in more descriptive or literary contexts.
Common error
Avoid interchanging "11" and "eleven" inconsistently within the same context. Choose one style and stick to it unless there's a specific reason to switch.
Source & Trust
95%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The numeral "11" primarily functions as a cardinal number, denoting a specific quantity. As Ludwig AI confirms, it is grammatically correct and widely used. It can also function as part of a date or identifier.
Frequent in
News & Media
33%
Sport
17%
General
50%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the numeral "11" is a common and grammatically correct way to represent the quantity eleven. Ludwig AI affirms this, providing diverse examples from varied contexts. The choice between using "11" and "eleven" depends largely on context and style guidelines; numerals are generally preferred for dates and specific quantities, while spelled-out numbers may suit more descriptive or formal contexts. Although the numeral appears mainly in News & Media, Sport and General contexts, it maintains a neutral register across all. While both “11” and “eleven” are valid, consistency within a document is key. Understanding these nuances ensures clear and effective communication.
Alternative expressions
Phrases that express similar concepts, ordered by semantic similarity:
eleven
Expresses the number in word form instead of numerals.
a score of eleven
Adds context by explicitly mentioning it's a score.
the number eleven
Specifies that "eleven" is being referred to as a number.
an eleven
Used when "11" refers to a group or team of eleven members.
a group of eleven
Emphasizes the collective aspect of having eleven members.
the quantity eleven
Formal way to specify a quantity.
More alternative expressions(9)
FAQs
When should I spell out the number "11" instead of using numerals?
Generally, spell out numbers one to nine. For numbers 10 and above, use numerals. However, in formal writing, you might spell out numbers at the beginning of a sentence. For example, "Eleven players formed the team."
Is it correct to say "the "11"th"?
No, it's redundant. The correct form is "the eleventh". Use "11th" in dates or ordinal listings (e.g., "11th grade").
What are some common contexts where the number "11" is frequently used?
The number "11" is often used in sports (an "eleven players" in a football team), dates (November "11th of November"), and general quantities. It also appears in events like "9/11".
What is the significance of the phrase "going to "11""?
The phrase "going to "11"" is a reference to the movie 'This Is Spinal Tap,' where a guitarist's amplifier goes to "11" instead of the standard 10, implying it's exceptionally loud or intense.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
95%
Authority and reliability
4.8/5
Expert rating
Real-world application tested