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A Denny's Onion Rings contains 639 calories per 1 serving (166g), with 8.8g protein, 68.1g carbs and 36.9g fat. Track it precisely with a digital kitchen scale.
Denny's Onion Rings Nutrition Facts
| Nutrient | Per serving (166g) | Per 100g |
|---|---|---|
| Calories | 639 kcal | 385 kcal |
| Protein | 8.8g | 5.3g |
| Carbohydrates | 68.1g | 41.0g |
| of which Sugars | 8.0g | 4.8g |
| Fat | 36.9g | 22.2g |
| of which Saturates | 6.1g | 3.7g |
| Fibre | 4.0g | 2.4g |
| Sodium | 1295mg | 780.0mg |
| Potassium | 249mg | 150.0mg |
| Calcium | 37mg | 22.0mg |
| Iron | 1.2mg | 0.7mg |
| Vitamin C | 0.0mg | 0.0mg |
| Vitamin A | 0µg | 0.0µg |
| Selenium | 9µg | 5.2µg |
| Riboflavin (B2) | 0.2mg | 0.1mg |
% of Daily Value (per 100g)
Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.
- A good source of protein (11% DV)
- A good source of carbohydrates (15% DV)
- High in fat (28% DV) — an excellent source
- High in sodium (34% DV) — worth weighing against your daily intake if you're watching this specifically
- Calories: 19% DV
- Protein: 11% DV
- Carbohydrates: 15% DV
- Fibre: 9% DV
- Fat: 28% DV
- Saturated fat: 18% DV
- Sodium: 34% DV
- Potassium: 3% DV
- Calcium: 2% DV
- Iron: 4% DV
- Vitamin C: 0% DV
- Vitamin A: 0% DV
- Selenium: 9% DV
- Riboflavin (B2): 8% DV
Make it healthier at home
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Good to know
Restaurant portion sizes vary by location and have changed over time — treat these figures as a reasonable reference point, not an exact match to what you're served.
Frequently Asked Questions
How many calories in a Denny's Onion Rings?
A Denny's Onion Rings contains 639 calories per 1 serving.
Is a Denny's Onion Rings unhealthy?
A Denny's Onion Rings has 639 calories and 36.9g of fat per serving — fine occasionally, best in moderation.
Similar items by calorie count
Other restaurant chains items closest to denny's onion rings by calories per 100g:
| Item | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Denny's Onion Rings (this page) | 385 kcal | 5.3g | 41.0g | 22.2g |
| Denny's Chicken Nuggets, Star Shaped, From Kid's Menu | 377 kcal | 16.3g | 13.6g | 28.6g |
| On The Border Cheese Quesadilla | 394 kcal | 16.9g | 24.2g | 25.5g |
| Applebee's Crunchy Onion Rings | 356 kcal | 4.6g | 40.2g | 19.6g |
| TGI Fridays Fried Mozzarella | 333 kcal | 15.8g | 25.3g | 18.8g |
| TGI Fridays Chicken Fingers, From Kids' Menu | 330 kcal | 18.1g | 17.7g | 20.8g |
| Cracker Barrel Onion Rings, Thick-cut | 327 kcal | 4.8g | 41.0g | 16.0g |
Track your diet accurately
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Last updated:
Figures from the USDA FoodData Central Branded Foods dataset (CC0 1.0).