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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
25
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "25" is correct and usable in written English, depending on the context.
You can use it when referring to a quantity, age, or a specific number in various contexts such as mathematics, statistics, or age references.
Example: "There are 25 students in the classroom today."
Alternatives: "twenty-five" or "a score of 25".
✓ Grammatically correct
News & Media
Sport
Travel
Lifestyle
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
Ricky van Wolfswinkel, signed from Sporting Lisbon for £8.5m, has one in 22 Premier League appearances and Johan Elmander one in 25.
News & Media
The winning numbers drawn Wednesday night were 05, 25, 30, 58, 59 and Powerball 32.
News & Media
"As a result of 25 years of investment," said Doris Meissner, an author of the report who is a senior fellow at the institute, "the bulwark is fundamentally in place".
News & Media
Nor did they have enough balls: Fifa had supplied 25 of the new Tango España balls to each participating nation but none of the ones allocated to El Salvador made it as far as the players, who had to ask Hungary to lend them a couple so they could practise before their first match.
News & Media
Labour has already promised 25 hours of free care each week for parents of three- and four-year-olds – up from the current 15 hours.
News & Media
We have 25 days left of our Seedrs campaign and we are about 45% funded, which is great.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
23 human-written examples
Profile Books; £25.
News & Media
Faber & Faber; £30.
News & Media
Against this, the three options set out for debate would leave an individual paying an average £20,000-£22,500 under a basic partnership scheme, though some would pay far more; £20,000-£25,000 under a voluntary insurance scheme, though the uninsured might pay much more; and £17,000-£20,000 under a compulsory comprehensive scheme.
News & Media
Aimed at ultra-high net worth tourists from Asia and the Middle East, the cheapest rooms will be around 1,000 Swiss francs (£675) a night, while the most expensive will go for a bank-busting 25,000 Swiss francs (£16,000).
News & Media
In total, 258,000 workers – about 25% of Qatar's migrant labourer population – will be housed, officials said.
News & Media
Expert writing Tips
Best practice
When writing formally, consider spelling out "twenty-five" if it starts a sentence. Otherwise, use "25" for brevity, especially in tables or figures.
Common error
Avoid writing "25th" when you mean "25". "25th" refers to an ordinal position (e.g., the 25th of December), while "25" represents a quantity.
Source & Trust
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The number "25" functions primarily as a cardinal numeral, denoting a specific quantity. It is used to quantify nouns, indicating the count of something, as shown in Ludwig examples where it quantifies years, members, hours and more.
Frequent in
News & Media
37%
Sport
23%
Lifestyle
8%
Less common in
Travel
5%
Money
5%
Arts
3%
Ludwig's WRAP-UP
The numeral "25" is a common and grammatically correct way to represent the quantity twenty-five. Ludwig examples confirm its widespread use across diverse contexts, particularly in news, sports, and lifestyle reporting. While generally neutral, spelling out "twenty-five" might be preferred in formal writing, especially at the beginning of sentences. Ludwig AI analysis confirms the acceptability of using "25" and Ludwig provides ample real-world examples.
Alternative expressions
Phrases that express similar concepts, ordered by semantic similarity:
twenty-five
Expresses the number in word form instead of numerical form.
a quarter of a hundred
Uses a proportional representation of the number.
two dozen and one
Uses a combination of dozens and units to represent the number.
one more than two dozen
Similar to the previous, emphasizing the addition to a full two dozens.
five squared
Uses a mathematical expression to represent "25".
the square of five
Similar to the previous, but uses a different expression.
FAQs
How do I use "25" in a sentence?
"25" is used to indicate a specific quantity or number. For example: "There are 25 students in the class."
Is it better to write "25" or "twenty-five"?
In formal writing, "twenty-five" might be preferred at the beginning of a sentence. Otherwise, "25" is acceptable and common, particularly in contexts like news reports or statistical data.
What alternatives can I use instead of "25"?
Depending on the context, alternatives include "twenty-five", "a quarter of a hundred", or "two dozen and one".
When should I use "25th" instead of "25"?
"25th" is used as an ordinal number to indicate position or rank, such as "the 25th anniversary", whereas "25" represents a quantity, such as "25 years".
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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
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested