Food calories · USDA data
Calories in a granola bar
132 calories
in 1 bar (1 oz), 28 g
- Protein
- 2.8 g
- Carbs
- 18 g
- Fat
- 5.5 g
- Fiber
- 1.5 g
A granola bar has 132 calories. That is USDA's figure for 1 bar (1 oz), which weighs 28 g. Per 100 g, granola bar has 471 calories.
Most of its calories (54%) come from carbohydrate, with fat next at 37%.
It takes 21 g of granola bar to reach 100 calories, which is about 0.8 × 1 bar (1 oz).
Calories by portion
| Portion | Weight | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 1 bar (1 oz) | 28 g | 132 | 2.8 g | 18 g | 5.5 g |
| 1 bar | 21 g | 99 | 2.1 g | 13.5 g | 4.2 g |
| 1 oz | 28.3 g | 133 | 2.9 g | 18.2 g | 5.6 g |
| 100 g | 100 g | 471 | 10.1 g | 64.4 g | 19.8 g |
Portion weights are USDA's own. Your granola bar may weigh more or less; for an exact number, weigh it and enter the grams in the food calorie lookup.
Where the calories come from
- Protein: 8% of calories (10.1 g per 100 g)
- Carbohydrate: 54% (64.4 g per 100 g, of which 5.3 g fiber)
- Fat: 37% (19.8 g per 100 g)
Shares use the general factors of 4 calories per gram of protein and carbohydrate and 9 per gram of fat, so they can differ a little from USDA's calorie figure. Daily Values are the FDA's adult Daily Values.
Compared with similar foods
Weight for weight, saltine crackers has the fewest calories of these four (418 per 100 g) and tortilla chips the most (472).
| Per 100 g | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Granola bar | 471 | 10.1 g | 64.4 g | 19.8 g |
| Tortilla chips | 472 | 7.1 g | 67.8 g | 20.7 g |
| Trail mix | 462 | 13.8 g | 44.9 g | 29.4 g |
| Saltine crackers | 418 | 9.5 g | 74.1 g | 8.6 g |
Work out your own portion
The food calorie lookup has 3,070 foods. Pick a portion or type a weight in grams or ounces, then add foods to a plate to see the total for a meal. To see how a meal fits your day, the calorie calculator works out your daily calories.
Questions people ask
How many calories is in a granola bar?
A granola bar has 132 calories. USDA weighs 1 bar (1 oz) at 28 g, and granola bar has 471 calories per 100 g.
How much protein does a granola bar have?
1 bar (1 oz) (28 g) has 2.8 g of protein, 6% of the 50 g Daily Value. Per 100 g it is 10.1 g.
How many carbs does a granola bar have?
1 bar (1 oz) has 18 g of carbohydrate, including 1.5 g of fiber, and 5.5 g of fat.
Source: USDA FoodData Central, SR Legacy (2018). USDA entry: Snacks, granola bars, hard, plain (FDC ID 167542). Values are averages; a packaged food's label may differ.