demie (demi-bouteille)
French · bottle format
The demie (demi-bouteille) is the half bottle of Champagne, 37.5 cl.1
In the range
On the Comité Champagne list of formats it comes between the quart (20 cl) and the bouteille (75 cl).1 Champagne in this format must be sold in the bottle in which the prise de mousse took place (same-bottle rule).2 It is the smallest format that must stay in its original bottle.
All formats side by side: bottle sizes. On size and ageing: bottle size and ageing.
See also
Sources
- Comité Champagne (champagne.education). Factsheet: Champagne bottle sizes (EN) (2024-05)
- Cahier des charges de l'AOP « Champagne » - modifications approved by the INAO national committee on 11 September 2024 (national opposition procedure text) (2024-09-11)
Facts checked on 2026-10-19