How many calories in vodka and grapefruit juice?

Vodka is a low-calorie spirit, but it isn't often served straight. Cranberry juice is commonly used as a mixer with vodka. The calories in vodka and cranberry juice will depend greatly on the type of juice you use.

VodkaAccording to the website FitDay, there are approximately 64 calories in a 1-oz. serving of vodka. This amount can vary slightly since vodka can be made from many ingredients, including wheat, barley and even milk