Coffee has becoming a leading staple in today's world. From grabbing a cup first thing in the morning to sipping on the beverage at work, many people desire their daily dose in order to function. Calorie counter and nutritional data listed refer to a single serving of regular coffee with 2 tbsp. skim milk and no other additives.
One serving of coffee is equal to about 8 oz., according to the U.S. Department of Agriculture. For the purposes of this article, measurements are based on a serving of 2 tbsp. of skim milk.
An 8 oz. cup of brewed coffee contains approximately 2 calories, none of which come from fat. Adding 2 tbsp. of skim milk to the coffee contributes an additional 6 calories, 0.25 of which come from fat.
Calories from Nutrients
The 8 calories found in an 8 oz. cup of coffee with 2 tbsp. of milk comes mostly from protein and sugar. The brew has 0.81 g protein and 0.75 g sugar. Because 1 g of protein and 1 g of sugar equals four calories each, they contribute 3.24 and 3 calories, respectively.