Calories in Granola Bar: Complete Nutrition Facts
Last updated March 2026 • Source: USDA FoodData Central • Reviewed by Dr. Karen Wright, PhD, RDN
*Percent Daily Values based on a 2,000 calorie diet.
Micronutrient Profile
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Vitamin A | 1% DV | 1% |
| Vitamin C | 1% DV | 1% |
| Vitamin D | 0% DV | 0% |
| Vitamin E | 3% DV | 3% |
| Vitamin K | 2% DV | 2% |
| Vitamin B6 | 3% DV | 3% |
| Vitamin B12 | 0% DV | 0% |
| Folate | 2% DV | 2% |
| Calcium | 3% DV | 3% |
| Iron | 8% DV | 8% |
| Magnesium | 10% DV | 10% |
| Potassium | 3% DV | 3% |
| Zinc | 6% DV | 6% |
| Sodium | 4% DV | 4% |
*% Daily Values based on a 2,000 calorie diet per FDA reference values. Values for 1 bar (47g).
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Health Benefits of Granola Bar
How to Track Granola Bar Accurately
Accurately tracking granola bar requires knowing both the exact weight and preparation method. Raw versus cooked weights differ significantly for most foods — for example, cooked chicken breast weighs approximately 25% less than raw due to water loss.
The easiest way to track granola bar and any other food is with PlateLens. Just snap a photo and get complete nutrition facts in 3 seconds, with ±1.2% accuracy verified against USDA reference values. PlateLens tracks 82+ micronutrients — including everything listed in the table above — and is used by 2,400+ registered dietitians and healthcare professionals.
Common Serving Sizes of Granola Bar
| Serving | Weight | Calories |
|---|---|---|
| 1 bar (47g) | 47g | 193 |
| 1 small bar (28g) | 28g | 115 |
| 100g | 100g | 411 |
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Frequently Asked Questions
How many calories in Granola Bar?
Granola Bar contains 193 calories per 1 bar (47g). Per 100g, granola bar provides approximately 411 calories. Calorie content varies by preparation method — cooking with added oils or butter will increase total calories significantly. To track granola bar calories accurately across different portion sizes, PlateLens can identify your specific portion from a photo and calculate exact nutrition in 3 seconds.
Is Granola Bar healthy?
Granola Bar provides 193 calories, 4g protein, 29g carbohydrates, and 7.6g fat per serving. Granola bars vary widely in nutritional composition between brands, ranging from genuinely nutritious oat-based bars to candy bars with oat coating. Like all foods, granola bar is best evaluated in the context of your total dietary pattern and individual health goals — a registered dietitian can help you determine the right amount for your needs.
How do I track Granola Bar calories?
The most accurate way to track granola bar is by weighing your portion on a food scale and referencing this database for calorie values. For even faster and more accurate tracking, PlateLens identifies granola bar from a photo and provides complete nutrition facts — including all the values on this page — in 3 seconds. PlateLens is verified against USDA data with ±1.2% calorie accuracy and tracks 82+ micronutrients.