Calories in Root Beer

146kcal per 1 can (355 ml) (355 g)

41 kcal per 100 g · about 7% of a 2,000-kcal day

Root beer is about 152 calories a can, all sugar. Its creamy, vanilla-tinged flavor is also what makes a root beer float such a calorie event.

Root Beer nutrition facts

NutrientPer 100 gPer 1 can (355 ml)
Calories41 kcal146 kcal
Protein0 g0 g
Carbs10.6 g37.6 g
Fat0 g0 g
Fiber0 g0 g
Sugar10.6 g37.6 g

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Values based on USDA FoodData Central reference entries. Actual nutrition varies with variety, preparation, and portion. © 2026 NibbleCal.