How many calories are in coffee?

Black coffee has just 2 calories per cup. Espresso has 3 calories per shot. Calories come from additions: cream (52 cal/tbsp), milk (9 cal/tbsp), sugar (16 cal/tsp). A latte can have 190+ calories.

Is coffee good for weight loss?

Black coffee supports weight loss - virtually zero calories, boosts metabolism 3-11%, and caffeine suppresses appetite temporarily. But sweetened coffee drinks (lattes, mochas) can have 300+ calories. Keep it black or light.

What nutrients are in coffee?

Black coffee provides 116mg potassium per cup, plus small amounts of magnesium, niacin, and antioxidants. It has no significant protein, carbs, or fat. Coffee is one of the top antioxidant sources in Western diets.

Is coffee keto-friendly?

Black coffee is perfect for keto with 0g carbs. Add heavy cream (0.4g carbs/tbsp) or butter for fat. Avoid milk (12g carbs/cup) and sugar. Bulletproof coffee is a popular keto option.

Does coffee have calories?

Black coffee has virtually no calories (2/cup). Calories come from additions: cream (52 cal/tbsp), half-and-half (20 cal/tbsp), sugar (16 cal/tsp), flavored syrup (20 cal/pump). Build-your-own drinks easily hit 100+ calories.

Moderate coffee consumption (3-4 cups/day) is linked to reduced risk of type 2 diabetes, Parkinson's, and liver disease. It's high in antioxidants. Excess caffeine can cause anxiety and sleep issues. Health depends on what you add.

How many calories in a Starbucks latte?

A Grande (16 oz) latte with whole milk has 190 calories. With nonfat milk: 130 cal. Flavored lattes add 30-60 more calories from syrup. A mocha with whip: 360 calories. Ask for sugar-free syrup to save calories.

Does coffee break a fast?

Black coffee doesn't break a fast - it has virtually no calories. Coffee may even enhance fasting benefits by boosting ketone production. Adding cream, milk, or sugar does break a fast. Stick to black during fasting windows.

How much coffee is too much?

Up to 400mg caffeine daily (about 4 cups) is safe for most adults. More can cause anxiety, insomnia, and heart palpitations. Pregnant women should limit to 200mg. Individual tolerance varies significantly.

Does coffee dehydrate you?

Coffee is mildly diuretic but doesn't cause net dehydration at normal intakes. The water in coffee offsets fluid loss. 3-4 cups daily is fine for hydration. Very high caffeine intake (6+ cups) may have mild dehydrating effects.

All Foods

Calories in Coffee

USDA Verified · FDC 171890 · Jan 2026

2 calories

per 1 cup black coffee (8 oz) (240g)

0.3g

Protein

Carbs

Fat

Fiber

Per 100g

Serving Sizes & Calories

Serving Size	Weight	Calories
1 cup black coffee (8 oz)Standard	240g	2 cal
1 shot espresso (1 oz)	30g	3 cal
Coffee with cream (1 tbsp)	255g	52 cal
Coffee with milk (2 tbsp)	270g	20 cal
Coffee with sugar (1 tsp)	244g	18 cal