Head to head

John Collins vs. Rum Collins

John Collins and Rum Collins side by side: what changes in the recipe, the balance, the strength and the calories.

The difference, by the numbers

Both have lemon juice and soda water. Only the John Collins has gin and simple syrup; only the Rum Collins has sugar, lime juice and white rum. In parts, a John Collins is 3 gin, 2 lemon, 1 syrup and 4 soda; a Rum Collins is ¾ lemon, ¼ lime, ¾ rum and 1 soda. By volume, the John Collins is 40% mixer and juice, 30% spirit, 20% citrus and 10% syrup and sugar; the Rum Collins is 35% mixer and juice, 35% citrus, 26% spirit and 4% syrup and sugar. That makes them close cousins on the ratio map.

The John Collins is the stronger drink in the glass (10.9% ABV against 10.1%), but being smaller it holds about the same alcohol (1.01 standard drinks each). The John Collins has more calories (about 142 against 129) and more sugar (10.0 g against 5.4 g). Both are built and served in a highball.

On the ratio map

SpiritVermouthCitrusMixerSyrupLiqueurJohn CollinsRum Collins

Each drink sits nearer the corners it has more of: spirit, vermouth and bitter, citrus, mixer, syrup or liqueur. The gray dots are the other classics. Explore the full ratio map.