Foods · Sweets
Calories in sugar
Sugar: about 387 calories per 100 g. A portion of 1 oz (28 g) has about 110 calories.
Calories and nutrients by portion
| Portion | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 100 g (3.5 oz) | 100 g | 387 | 0 g | 100 g | 0 g |
| 1 oz | 28 g | 110 | 0 g | 28.3 g | 0 g |
| 1 serving packet | 3 g | 11 | 0 g | 2.8 g | 0 g |
| 1 tsp | 4 g | 16 | 0 g | 4.2 g | 0 g |
| 1 cup | 200 g | 774 | 0 g | 200 g | 0 g |
| 1 serving 1 cube | 2 g | 9 | 0 g | 2.3 g | 0 g |
Where the calories come from
- Protein 0%
- Carbs 100%
- Fat 0%
Shares are estimated with 4 calories per gram of protein and carbohydrate and 9 per gram of fat.
Full nutrition per 100 g
| Calories | 387 kcal |
| Protein | 0 g |
| Carbohydrate | 100 g |
| of which sugars | 99.8 g |
| Fibre | 0 g |
| Fat | 0 g |
| of which saturated | 0 g |
| Cholesterol | 0 mg |
| Sodium | 1 mg |
| Potassium | 2 mg |
| Calcium | 1 mg |
| Iron | 0.1 mg |
| Water | 0 g |
How it compares with other sweets
Among the 7 sweets listed on this site, sugar ranks number 5 from the lowest in calories per 100 g, and number 7 from the highest in protein per 100 g.
Fewer calories per 100 g
- Jelly beans 375 cal
- Honey 304 cal
- Maple syrup 260 cal
More calories per 100 g
- Semisweet chocolate 480 cal
- Milk chocolate 535 cal
What 110 calories equal in exercise
For a 155 lb (70 kg) person, Harvard Health lists about 133 calories for 30 minutes of walking at 3.5 mph and about 288 for 30 minutes of running at 5 mph. By that chart, a portion of sugar (1 oz, 110 calories) equals about 25 minutes of walking or 11 minutes of running. Use the calories burned calculator for your own weight.
About these numbers
The figures come from the USDA FoodData Central entry “Sugars, granulated”. They are reference averages, so brands, ripeness, cuts and recipes shift the real number. Treat them as estimates, and weigh food for the closest result.
Quick answers
How many calories are in sugar (1 oz)?
About 110 calories (≈). That is 1 oz (28 g) of sugar, using the USDA reference value of 387 calories per 100 g.
How many calories are in 100 grams of sugar?
About 387 calories (≈). One ounce (28 g) is about 110 calories.
How much protein is in sugar?
0 g per 100 g, and about 0% of its calories come from protein (≈). A portion of 1 oz has about 0 g.
Source
- USDA FoodData Central, SR Legacy: Sugars, granulated (FDC ID 169655)
- U.S. Department of Agriculture, Agricultural Research Service. FoodData Central. fdc.nal.usda.gov
- Harvard Health: calories burned in 30 minutes for people of three different weights
General information, not medical advice. Nutrient values are estimates and vary by product and portion.
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