Merlot is a red wine with a flavor ranging from purple plums to red cherries, according to the Merlot Wine website. A standard-size 750 ml bottle has 850 calories and is equivalent to nine 4-oz. glasses, each with 96 calories, according to the USDA. When friends mention that they drank an entire bottle of wine, they may not be referring to the 750 ml size.
A magnum of Merlot is the equivalent of two standard bottles. It contains 1,699 calories.
A Jeroboam is twice the size of a magnum, containing 3,398 calories.
A Methuselah is twice the size of a Jeroboam; it contains 6,797 calories.
The Salmanazar is 9 liters, or the equivalent of an entire case of Merlot. It contains 10,195 calories.
The Balthazar is twice the size of a Methuselah, about 16 standard bottles, containing 13,594 calories.
The largest known size of wine bottle, the Nabuchadnezzar, contains 15 liters of wine, the equivalent of 20 bottles of Merlot. It contains 16,992 calories.