Drinks

Black tea calories and nutrition

An 8 fl oz cup of unsweetened black tea (237 g) has 2 calories, with 0 g of protein, 0.7 g of carbs and 0 g of fat. That is 1 calorie per 100 g.

Plain black tea brewed with tap water. Data: USDA FoodData Central, “Beverages, tea, black, brewed, prepared with tap water”. These figures describe brewed black tea served plain. Cooling it for unsweetened iced tea adds no ingredients; ice changes how much tea fits in the glass.

8 fl oz cup · 237 g

2 calories

Protein: 0 g0% of calories · 0% DV
Carbs: 0.7 g100% of calories · 0% DV
Fat: 0 g0% of calories · 0% DV

Fiber: 0 g
Sugars: 0 g
Saturated fat: 0.0 g
Sodium: 7.1 mg

Calories in black tea by serving

Serving	Calories	Carbs
8 fl oz cup237 g	2	0.7 g
½ serving118.5 g	1	0.4 g
2 servings474 g	5	1.4 g
100 g100 g	1	0.3 g

Serving weights are USDA’s household measures for this food.

Black tea nutrition facts

Per 100 g, 1 calorie: 0% from protein, 100% from carbs and 0% from fat.

Nutrient	Per 100 g	Per serving8 fl oz cup · 237 g	% Daily Value
Calories	1	2	–
Total fat	0 g	0 g	0%
Saturated fat	0.0 g	0.0 g	0%
Cholesterol	0 mg	0 mg	0%
Sodium	3.0 mg	7.1 mg	0%
Total carbohydrate	0.3 g	0.7 g	0%
Dietary fiber	0 g	0 g	0%
Total sugars	0 g	0 g	–
Protein	0 g	0 g	0%
Vitamin D	0 µg	0 µg	0%
Calcium	0 mg	0 mg	0%
Iron	0.0 mg	0.0 mg	0%
Potassium	37 mg	88 mg	2%
Vitamin A	0 µg	0 µg	0%
Vitamin C	0 mg	0 mg	0%

% Daily Value is per serving (8 fl oz cup), using the FDA’s Daily Values. Calorie shares use 4 calories per gram of protein and carbs and 9 per gram of fat.

How long to walk it off

Walking at 3 mph, a 150-lb adult burns about 3.2 calories a minute on top of what they would burn at rest. So an 8 fl oz cup of unsweetened black tea (2 calories) takes about 1 minute of walking, roughly 100 steps.

Work it out for your weight and pace →

Compare calories by serving

An 8 fl oz cup of unsweetened black tea has 2 calories, about the same as an 8 fl oz cup of plain black coffee (2 calories).

Related foods to explore

Black coffee2 calories in an 8 fl oz cup of plain black coffee1 per 100 g
Vodka97 calories in a 1.5 fl oz shot of plain 80-proof vodka231 per 100 g
Diet soda7 calories in a 12 fl oz can of aspartame-sweetened diet cola2 per 100 g
Lemon juice3 calories in a tablespoon of fresh lemon juice22 per 100 g

All foods →

Black tea questions

How much protein is in an 8 fl oz cup of unsweetened black tea?

An 8 fl oz cup of unsweetened black tea (237 g) has 0 g of protein, 0% of the 50 g Daily Value. That is 0 g per 100 g.

How much fiber is in an 8 fl oz cup of unsweetened black tea?

An 8 fl oz cup of unsweetened black tea (237 g) has 0 g of fiber, 0% of the 28 g Daily Value. That is 0 g per 100 g.

How many calories are in unsweetened iced tea?

The listed serving (237 g) has 2 calories, 0 g protein, 0.7 g carbs and 0 g fat. Plain black tea brewed with tap water.

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Sources

U.S. Department of Agriculture, FoodData Central: Beverages, tea, black, brewed, prepared with tap water (FDC ID 173227, SR Legacy, published 2019-04-01).
U.S. Food and Drug Administration. Daily Value on the Nutrition and Supplement Facts Labels.
Walking time: the method of our walking calorie calculator (2024 Adult Compendium of Physical Activities; CADENCE-Adults for steps).

Prepared by the KaloCam team · Updated October 21, 2026