A typical serving of barley (1 cup, 157 g) has about 193 calories. Per 100 g: 123 kcal, 2.3 g protein, 28.2 g carbs, 0.4 g fat. The same 100 g carries 3.8 g of fiber and 0.3 g of sugar. Most of the energy comes from carbohydrate.
| Serving | Weight | Calories |
|---|---|---|
| 1 cup | 157 g | 193 kcal |
| 100 g | 100 g | 123 kcal |
Chewy, cheap, and filling: pearled barley cooks to 123 kcal per 100 g. On the energy-density scale, 123 kcal per 100 g puts barley at the moderate end. Fiber is the standout at 3.8 g per 100 g, which slows a portion down more than the calorie count suggests.

A typical serving (1 cup, 157 g) has about 193 calories, and 100 g has 123 kcal. Calories scale with weight, so double the portion means double the number.
There are 2.3 g of protein in 100 g of barley, which works out to about 3.6 g per serving (1 cup). Treat it as an energy source rather than a protein source.
There are 28.2 g of carbohydrate per 100 g of barley, or about 44 g in 1 cup (157 g).
Every value on this page comes from USDA FoodData Central, entry 170285 (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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Nutrition data: USDA FoodData Central, FDC ID 170285 (SR Legacy). Serving calories are computed from the per-100-g values.