By Malvina Demaj Last Updated: Mar 6, 2026

Magnum

(mag-nuhm)
DEFINITION

Magnum

A magnum refers to a large wine bottle that holds 1.5 liters, double the volume of a standard 750ml bottle. It is a common format for Champagne bottles, equivalent to approxiamtely 10 glasses of wine. A magnum is preferred for its improved aging potential due to the smaller ratio of air to wine in the bottle neck, as well as its impressive and luxurious appearance.

Did you know? Magnums are the second most common wine bottle sizes after standard 750ml bottles.

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