How Many Calories in a Donut? Nutrition Facts & Macros
One glazed donut (55g) has 234 calories
Protein 2.9g · Carbs 27.9g · Fat 12.6g
Donuts are a beloved sweet treat found in bakeries and coffee shops worldwide. Whether you're indulging in one, tracking macros, or wondering how bad that glazed donut really is, knowing the exact nutrition facts helps. Here's everything you need to know about donut calories and macros, based on USDA data. A glazed donut contains about 20% water.
1782 kJ · per 100g · Water: 19.6 g
Calorie Calculator: Donut (Glazed)
55 g Donut (Glazed) contains 234 kcal
Calories by Portion Size
| Portion | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 donut (55g) | 234 kcal | 2.9g | 27.9g | 12.6g |
| 1 large donut (75g) | 320 kcal | 3.9g | 38.1g | 17.2g |
| 100 grams | 426 kcal | 5.2g | 50.8g | 22.9g |
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| Donut (Glazed) | per 100g |
|---|---|
| Calories | 426 kcal |
| Protein | 5.2 g |
| Fat | 22.9 g |
| Carbs | 50.8 g |
| Fiber | 1.5 g |
| Sugar | 25.6 g |
| Sodium | 402 mg |
| Potassium | 102 mg |
| Magnesium | 17 mg |
| Phosphorus | 117 mg |
| Vitamin C | 0.1 mg |
| Vitamin B6 | 0.027 mg |
| Folate | 70 mcg |
| Water | 19.6 g |
Source: USDA FoodData Central (FDC ID: 174992) · Data verified April 2026
Variations
Chocolate glazed donut
417 kcal per 100g — similar to plain glazed (426 kcal). Slightly less calories but more sugar from chocolate coating. Same high fat content. Visually more appealing but nutritionally equivalent.
Frequently Asked Questions
How many calories are in a donut?
One glazed donut (55g) contains approximately 234 calories. Per 100g, a sugared or glazed cake donut has 426 calories. A large donut (75g) can have about 320 calories. Most calories come from fat (22.9g) and refined carbs (50.8g per 100g).
How much sugar is in a donut?
A glazed donut has significant sugar from both the dough and glaze. Per 100g, donuts contain about 50.8g of carbohydrates, much of which is sugar from the glaze and sweetened dough. One donut (55g) has roughly 14-18g of sugar depending on the type and amount of glaze.
Is a donut bad for weight loss?
Donuts are one of the worst foods for weight loss — 426 kcal per 100g with 22.9g fat, high sugar, low protein (5.2g), and virtually no fiber (1.5g). One donut (234 kcal) provides empty calories with minimal satiety. If you're counting calories, a donut uses a significant portion of your daily budget with little nutritional return.
Donut vs croissant — what's the difference?
Donut: 426 kcal per 100g, 22.9g fat, 5.2g protein. Croissant: 406 kcal per 100g, 21g fat, 8.2g protein. Very similar in calories and fat. Croissants have more protein and less sugar. Both are calorie-dense indulgences. Neither is a health food, but croissants are marginally better nutritionally.
How much fat is in a donut?
One glazed donut (55g) has about 12.6g of total fat, of which 3.3g is saturated. Per 100g, donuts contain 22.9g fat. The fat comes from frying oil and dough ingredients. About 48% of a donut's calories come from fat. Deep-frying is what makes donuts so calorie-dense.
How much protein is in a donut?
One glazed donut (55g) provides only about 2.9g of protein. Per 100g, donuts have 5.2g of protein — very low for the calorie count. Compare: for the same 234 calories, you could have 155g of chicken breast with 47g of protein. Donuts are an extremely poor protein source.
Compare with Similar Foods
| Portion | kcal | Protein | Carbs | Fat |
|---|---|---|---|---|
| Donut (Glazed) | 426 | 5.2g | 50.8g | 22.9g |
| Croissant (Butter) | 406 | 8.2g | 45.8g | 21g |
| Bread (Whole Wheat) | 252 | 12.45g | 42.71g | 3.5g |
| Bagel (Plain) | 264 | 10.56g | 52.38g | 1.32g |
| Honey | 304 | 0.3g | 82.4g | 0g |
per 100g
Per 100g, a glazed donut has 426 kcal — the highest among common baked goods. More than croissant (406 kcal), bread (252 kcal), and bagel (264 kcal). With 22.9g fat and only 5.2g protein, donuts have the worst protein-to-calorie ratio among these.
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