Calories in Coffee
1 fl oz of coffee (31 g) has 22 calories, with 0.6 g of protein, 0.4 g of fat and 3.9 g of carbohydrates. Per 100 grams, coffee has 71 calories.
Most of the calories in coffee come from carbohydrates (71%). Coffee is low in fat. It has more calories per gram than 83% of the 192 drinks in our database.
Coffee Calorie Calculator
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Coffee calories by serving size
Common amounts of coffee with calories and macros. Tap a row for its full nutrition page.
Coffee vs similar foods
Calories per 100 g compared with other drinks.
Coffee: common questions
How many calories are in 1 fl oz of coffee?
1 fl oz of coffee (31 g) has 22 calories.
How many calories are in 100 grams of coffee?
100 grams of coffee has 71 calories, 2 g of protein, 1.4 g of fat and 13 g of carbohydrates.
How much protein is in coffee?
Coffee has 2 g of protein per 100 g. 1 fl oz of coffee gives you 0.6 g.
Is coffee high in calories?
Coffee has 71 calories per 100 g. It has more calories per gram than 83% of the 192 drinks in our database. A 2,000 calorie day fits about 28.2 kg of it.
More about coffee
Amount for a target
Weights and conversions
Source: USDA FoodData Central, FNDDS 2021-2023. FDC ID 2710478. Original description: Coffee, bottled/canned. Portion weights are USDA household measures.