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
a third of a bottle
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a third of a bottle" is correct and usable in written English.
It can be used when referring to a specific quantity of liquid contained in a bottle, often in contexts related to consumption or measurement. Example: "After the party, we found that we had only a third of a bottle of wine left."
✓ Grammatically correct
News & Media
Science
Alternative expressions(16)
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
10 human-written examples
Wines have also got stronger, but the biggest change here has been the serving size: from a standard 125ml to 250ml – a third of a bottle.
News & Media
Around 14 per cent of pubs and wine bars have already got rid of 125ml measures of wine altogether, and customers are left to choose between 175ml and 250ml glasses, the larger amounting to a third of a bottle.
News & Media
For serving red wine, he liked a diminutive decanter for its size — a quartino, or a third of a bottle — and for the indentation on its base that makes it easy to grip when pouring.
News & Media
Its report found that on average, children aged 14 to 17 will be given nine units of alcohol - the equivalent of four cans of beer, a bottle of wine or a third of a bottle of vodka at post-exam parties, holidays or festivals.
News & Media
First we plunged them into searing hot oil and a third of a bottle of smooth, smoky Oban; then we used peaty Caol Ila, and finally we cooked the remaining langoustine in fiery Talisker - which proved to be, by far, the tastiest mixture.
News & Media
He is also in favour of renaming the large glass of wine (250ml) extra large - it equals a third of a bottle of wine.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
Responses were converted to units of alcohol appropriate at the time (one unit was equal to half pint of beer, a measure of spirits, or a sixth of a bottle of wine) and divided into six categories (none, 1-7, 15-21 15-21, 22-34, or ≥35 units).
Science
Oliver remembers talking to a brewer at Anheuser-Busch a few years ago, when sales of Michelob had fallen to about a third of a billion bottles a year.
News & Media
For an adult that works out at about a sixth of a 200ml bottle to cover the whole body.
News & Media
Within seconds of watching us drink our first shots, he had worked his way through a third of the bottle.
News & Media
Cleo consumed more than a third of the bottle during her treatment.
News & Media
Expert writing Tips
Best practice
When using "a third of a bottle", ensure the context makes it clear what type of bottle is being referenced (e.g., wine, liquor, juice). This prevents ambiguity for your reader.
Common error
Avoid assuming that "a third of a bottle" implies the bottle was initially full. The bottle might have already been partially consumed.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a third of a bottle" functions as a noun phrase that acts as a quantifier, specifying a particular portion of a liquid container. The Ludwig AI examples confirm its usage in describing amounts consumed or remaining.
Frequent in
News & Media
70%
Science
15%
Wiki
15%
Less common in
Formal & Business
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "a third of a bottle" is a grammatically correct phrase used to describe a quantity or proportion of liquid within a bottle. The phrase functions as a noun phrase, acting as a quantifier, and its purpose is to convey a specific amount. Ludwig's AI analysis confirms its usability in written English. While its register is generally neutral, it leans towards informal and is more common in news and media contexts than in formal academic writing. When using the phrase, ensure clarity regarding the type and size of the bottle being referenced. Consider alternative phrasings like "one-third of a bottle" for more formal settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
one third of a bottle
More formal phrasing using numerals instead of words.
33% of a bottle
Expresses the quantity as a percentage.
one-third of the bottle's contents
Highlights the volume contained within the bottle.
a portion of a bottle
Replaces the specific fraction with a more general term for a part.
part of a bottle
Similar to 'a portion', but even less specific.
some of a bottle
Indicates an unspecified amount less than the whole.
a fraction of a bottle
Emphasizes that the amount is less than the whole but doesn't specify the exact quantity.
a measure of a bottle
Focuses on the act of measuring out a quantity from the bottle.
a small amount from a bottle
Highlights the reduced quantity taken from the bottle.
a dram from a bottle
Uses "dram" for a small amount of liquid, often alcoholic.
FAQs
How do I use "a third of a bottle" in a sentence?
You can use "a third of a bottle" to describe the quantity of liquid remaining or consumed. For example, "I drank "a third of a bottle" of water after my workout."
What's a more precise way to say "a third of a bottle"?
If precision is needed, specify the bottle's volume and calculate one-third of that amount in milliliters or ounces. For instance, "one-third of a 750ml bottle".
Is it acceptable to use "a third of a bottle" in formal writing?
While grammatically correct, "a third of a bottle" might be too informal for some formal contexts. Consider using "one-third of a bottle" for greater formality.
What are some situations where using "a third of a bottle" would be appropriate?
It's appropriate in casual conversations, recipes, or when describing quantities of liquids in a general sense. For example, "The recipe calls for "a third of a bottle" of cooking wine."
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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested