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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
19
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "19" is correct and usable in written English, depending on the context.
You can use it when referring to a specific number, such as age, quantity, or a point in a list.
Example: "She celebrated her 19th birthday last week."
Alternatives: "nineteen" or "the number 19".
✓ Grammatically correct
News & Media
Sport
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
45 human-written examples
My father died when I was 18.
News & Media
The French champions are seeking a successor to Carlo Ancelotti, who is to take up the reins at Real Madrid along with his coaching staff, having steered the French club to their first league title in 19 years and the quarter-finals of the Champions League.
News & Media
I've just got a thing about people and songs telling you how you should feel.' · A Larum is released on Vertigo on 19 May.
News & Media
Trial is scheduled to continue through 19 December.
News & Media
"I was 19 when the war broke out," Piechowski says.
News & Media
Separately, the controller of drama commissioning Ben Stephenson forked out £1,272.94 for a "development meeting" with "key drama indies" on 17 August, which 19 guests attended at a cost to the licence-fee payer of just under £70 a head.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
15 human-written examples
Platinum refiner Johnson Matthey dropped 102p to £23.06 as third quarter profits fell 19% to £84.3m, hit by lower sales of catalytic converters for car exhaust systems in Europe and weak demand in Japan.
News & Media
'Please don't write about me,' says Carol. 'I always talk too much.' She is still angry about an article written about her daughter which suggested that the 19-year-old, whose parents manage her career, was not being allowed to break free of them.
News & Media
Moments later, McLaughlin came close again, this time with a 19-yard free-kick.
News & Media
The manager was so impressed by the 19-year-old that he bought him for £300,000 and, two days after the right-back's arrival, put him straight into the starting line-up for a duel with Manchester United.
News & Media
But what took me by surprise was the appearance of this 19-year-old kid who at that time nobody knew.
News & Media
Expert writing Tips
Best practice
When using "19" in formal writing, ensure it is relevant to the context and provides specific information. For example, use it when referring to exact ages, dates, or quantities to maintain clarity.
Common error
Avoid using "19" without proper context. Always specify what the number refers to (e.g., "19 years old", "19 items") to prevent ambiguity.
Source & Trust
94%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The number "19" primarily functions as a cardinal numeral, specifying a quantity or identifying a position in a sequence. Ludwig examples show it denoting ages, scores, dates, and other numerical values.
Frequent in
News & Media
52%
Sport
26%
Formal & Business
6%
Less common in
Science
5%
Academia
3%
Reference
3%
Ludwig's WRAP-UP
The numeral "19" is a cardinal number primarily used to specify quantities, ages, and dates across a wide range of contexts. As Ludwig highlights, it commonly appears in news, sports reporting, and business contexts, demonstrating its versatile application. Although generally neutral in register, clarity is paramount. Ensure that the context is clear when using "19" to prevent ambiguity. Ludwig AI confirms that the use of "19" is grammatically correct and very common. Consider using alternatives such as "nineteen" or approximations like "almost twenty" for stylistic variation or when precision isn't essential.
Alternative expressions
Phrases that express similar concepts, ordered by semantic similarity:
Nineteen
Replaces the numeral with its spelled-out form.
The number nineteen
Emphasizes the numeral as a quantity or identifier.
A score of 19
Provides context for when "19" may be a score in a game.
The age of 19
Adds context specifying that "19" is used to refer to a person's age.
Nearly twenty
Offers an approximate value close to "19".
Almost twenty
Expresses a quantity that is slightly less than twenty.
FAQs
How do I use "19" in a sentence?
Use "19" to specify a quantity, age, or date. For example: "She is "19 years old"", "The event is scheduled for "19 December"".
Is it better to write out "nineteen" instead of using the numeral "19"?
The choice depends on the context. Generally, use numerals for ages, scores, statistics, and dates. Spell out numbers at the beginning of sentences or in more formal writing unless they are large numbers.
What can I say instead of "19" if I want to be less precise?
You could say "almost twenty", "around twenty", or "just under twenty" to indicate an approximate value.
When is it appropriate to use "19th" instead of "19"?
Use "19th" when indicating an ordinal position or date (e.g., "the 19th century", "the 19th of May"). Use "19" when referring to a quantity or age (e.g., "19 students", "19 years old").
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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
4.6/5
Expert rating
Real-world application tested