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Calories in light beer

A typical serving of light beer (1 can or bottle (12 fl oz), 354 g) has about 103 calories. Per 100 g: 29 kcal, 0.2 g protein, 1.6 g carbs, 0 g fat. The same 100 g carries 0.1 g of sugar. The energy comes from a mix of carbs, fat, and protein.

Calories by serving size

ServingWeightCalories
1 can or bottle (12 fl oz)354 g103 kcal
1 pint (16 fl oz)472 g137 kcal
100 g100 g29 kcal

Macros per 100 g

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

Worth knowing

Light means about 50 calories saved per can, mainly through less alcohol. On the energy-density scale, 29 kcal per 100 g puts light beer at the very low end.

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Frequently asked questions

How many calories are in light beer?

A typical serving (1 can or bottle (12 fl oz), 354 g) has about 103 calories, and 100 g has 29 kcal. Calories scale with weight, so double the portion means double the number.

How much protein is in light beer?

There are 0.2 g of protein in 100 g of light beer, which works out to about 0.7 g per serving (1 can or bottle). Treat it as an energy source rather than a protein source.

How many carbs are in light beer?

There are 1.6 g of carbohydrate per 100 g of light beer, or about 6 g in 1 can or bottle (354 g).

Where do these numbers come from?

Every value on this page comes from USDA FoodData Central, entry 168749 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.

Related foods

Snap a photo of your plate in Joules and the calories and macros for light beer are logged for you.

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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 168749 (SR Legacy). Serving calories are computed from the per-100-g values.