Wine bottle size converter
Convert large-format wine and Champagne bottles to standard bottles, liters and glasses.
That's about the same as a magnum. That pours about 10 glasses of 150 ml.
What it means
How much wine is that?
Champagne sizes. In Bordeaux a jeroboam holds 5 L and an imperial 6 L. A glass here is a 150 ml pour.
Every unit
That wine in every bottle
Learn
Three things worth knowing
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Doubling names
Magnum 2, jeroboam 4, methuselah 8, then salmanazar 12, balthazar 16 and nebuchadnezzar 20 standard bottles.
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Why 750 ml
The standard bottle was fixed by EU and US rules in the 1970s. A popular story ties it to the British imperial gallon: six bottles to 4.5 L, so a 9 L case of twelve.
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A Bordeaux jeroboam
Order a jeroboam of Bordeaux and you get 5 L, not the 3 L of a Champagne jeroboam.
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Background
About wine bottle names
A standard bottle holds 750 ml. Larger formats are named, mostly after biblical kings: a magnum is two bottles, a jeroboam four, a methuselah eight, a salmanazar twelve, a balthazar sixteen and a nebuchadnezzar twenty (15 L).
Big bottles age more slowly because there is less air per glass of wine, which is why collectors like magnums.