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Calories in green tea

A typical serving of green tea (1 cup (8 fl oz), 245 g) has about 2 calories. Per 100 g: 1 kcal, 0.2 g protein, 0 g carbs, 0 g fat. Portions scale in a straight line, so half the weight means half the calories. In a daily log it contributes close to nothing.

Calories by serving size

ServingWeightCalories
1 cup (8 fl oz)245 g2 kcal
100 g100 g1 kcal

Macros per 100 g

0.2 g
Protein
0 g
Carbs
0 g
Fat
0 g
Fiber
0 g
Sugar

Worth knowing

Brewed green tea is essentially water with flavor: about 1 calorie per cup. On the energy-density scale, 1 kcal per 100 g puts green tea at the very low end. Protein density is strong: about 20.0 g of protein per 100 calories.

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Frequently asked questions

How many calories are in green tea?

A typical serving (1 cup (8 fl oz), 245 g) has about 2 calories, and 100 g has 1 kcal. Calories scale with weight, so double the portion means double the number.

How much protein is in green tea?

There are 0.2 g of protein in 100 g of green tea, which works out to about 0.5 g per serving (1 cup). Treat it as an energy source rather than a protein source.

Is green tea low in carbs?

Yes. Carbohydrate is 0 g per 100 g, effectively nothing, so almost all the calories come from protein and fat.

Where do these numbers come from?

Every value on this page comes from USDA FoodData Central, entry 171917 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.

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A note on accuracy: calculators like this one provide estimates based on population-level formulas — your real needs vary with genetics, muscle mass, medical conditions, and more. Results are for information only and are not medical advice, a diagnosis, or a prescription. Talk to a doctor or registered dietitian before making significant changes to your diet or exercise, especially if you have a health condition, are pregnant, or are under 18.

Nutrition data: USDA FoodData Central, FDC ID 171917 (SR Legacy). Serving calories are computed from the per-100-g values.