Regular cola against diet cola, can for can
155 calories in a can of regular cola, 7 in diet
A 12 fl oz can of regular cola has 155 calories and 36.8 g of sugar. A 12 fl oz can of diet cola has 7 calories and no sugar.
USDA's diet record covers cola and pepper-type sodas sweetened with aspartame, so it isn't one brand or even only cola. Neither record names a brand.
USDA FoodData Central. Beverages, carbonated, cola, regular. USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, contains caffeine. Source checked September 29, 2026.
Cans, bottles and bigger drinks
A 16 fl oz bottle of regular cola has 207 calories, and the same size bottle of diet has 9. USDA's medium 22 fl oz regular cola comes to 284 calories.
Pouring from a big bottle? A fluid ounce of regular cola is 13 calories.
| Portion | Weight | Calories kcal | Protein g | Carbs g | Fat g | Fiber g | Sugar g | Sodium mg | Caffeine mg | Portion source |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 fl oz can of regular cola | 370 g | 155 | 0 | 38.3 | 0.9 | 0 | 36.8 | 11.1 | 33.3 | USDA portion, one 12 fl oz can or bottle |
| 12 fl oz can of diet cola | 355 g | 7 | 0.4 | 1 | 0.1 | 0 | 0 | 28.4 | 42.6 | USDA portion, one 12 fl oz can |
| 16 fl oz bottle of regular cola | 492 g | 207 | 0 | 51 | 1.2 | 0 | 48.9 | 14.8 | 44.3 | USDA portion, one 16 fl oz can or bottle |
| 16 fl oz bottle of diet cola | 473 g | 9 | 0.5 | 1.4 | 0.1 | 0 | 0 | 37.8 | 56.8 | USDA portion, one 16 fl oz bottle |
| Medium 22 fl oz regular cola | 676 g | 284 | 0 | 70 | 1.7 | 0 | 67.2 | 20.3 | 60.8 | USDA portion, one medium 22 fl oz drink |
| 1 fl oz regular cola | 30.7 g | 13 | 0 | 3.2 | 0.1 | 0 | 3.1 | 0.9 | 2.8 | USDA portion, 1 fl oz |
| 12 fl oz caffeine-free regular cola | 368 g | 151 | 0 | 38.9 | 0 | 0 | 38.9 | 14.7 | 0 | USDA portion, one 12 fl oz serving |
| 12 fl oz can of caffeine-free diet cola | 355 g | 4 | 0.4 | 0.4 | 0 | 0 | 0 | 14.2 | 0 | USDA portion, one 12 fl oz can |
USDA FoodData Central. Beverages, carbonated, cola, regular. USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, contains caffeine. USDA FoodData Central. Beverages, carbonated, cola, without caffeine. USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, without caffeine. Source checked September 29, 2026.
Regular cola's carbs are almost all sugar
Per 100 g, regular cola has 10.4 g of carbs, and 9.9 g of them are sugar. It has no protein or fiber.
The table below is for one 12 fl oz can of regular cola.
Deciding between a soda and an energy drink? Regular and sugar-free energy drinks have their own comparison, and the full list of calorie references has the rest.
| Nutrient | 12 fl oz can of regular cola | Per 100 g |
|---|---|---|
| Calories | 155 kcal | 42 kcal |
| Protein | 0 g | 0 g |
| Carbs | 38.3 g | 10.4 g |
| Fat | 0.9 g | 0.3 g |
| Fiber | 0 g | 0 g |
| Sugar | 36.8 g | 9.9 g |
| Sodium | 11.1 mg | 3 mg |
USDA FoodData Central. Beverages, carbonated, cola, regular. Source checked September 29, 2026.
Caffeine in regular, diet and caffeine-free cola
In USDA's records, diet cola has a little more caffeine than regular, 12 mg per 100 g against 9. Per can that's 42.6 mg for diet and 33.3 mg for regular.
The caffeine-free versions list 0 mg. Caffeine-free regular cola has 41 calories per 100 g and caffeine-free diet has 1, close to the caffeinated kinds.
| Preparation | Weight | Calories kcal | Protein g | Carbs g | Fat g | Fiber g | Sugar g | Sodium mg | Caffeine mg |
|---|---|---|---|---|---|---|---|---|---|
| Regular cola | 100 g | 42 | 0 | 10.4 | 0.3 | 0 | 9.9 | 3 | 9 |
| Diet cola with caffeine | 100 g | 2 | 0.1 | 0.3 | 0 | 0 | 0 | 8 | 12 |
| Caffeine-free regular cola | 100 g | 41 | 0 | 10.6 | 0 | 0 | 10.6 | 4 | 0 |
| Caffeine-free diet cola | 100 g | 1 | 0.1 | 0.1 | 0 | 0 | 0 | 4 | 0 |
USDA FoodData Central. Beverages, carbonated, cola, regular. USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, contains caffeine. USDA FoodData Central. Beverages, carbonated, cola, without caffeine. USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, without caffeine. Source checked September 29, 2026.
Weigh a glass poured from a bottle
Weigh the glass empty, then full, and enter the difference below. The calculator below uses regular cola, 42 calories per 100 g.
Had it with a meal? Describe the whole meal to TrueCal and check the estimate.
370 g has about 155.4 calories.
USDA FoodData Central. Beverages, carbonated, cola, regular. USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, contains caffeine. Source checked September 29, 2026.
Does diet cola have any calories at all?
A few. USDA lists 2 calories per 100 g of diet cola, which comes to 7 calories in a 12 fl oz can.
USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, contains caffeine. Source checked September 29, 2026.
How many carbs are in a can of regular cola?
A 12 fl oz can has 38.3 g of carbs, and 36.8 g of them are sugar. A can of diet cola has 1 g of carbs.
USDA FoodData Central. Beverages, carbonated, cola, regular. USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, contains caffeine. Source checked September 29, 2026.
Log the portion you ate
Add food from a photo or a sentence, then check the portion before saving.
USDA FoodData Central. Beverages, carbonated, cola, regular. USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, contains caffeine. USDA FoodData Central. Beverages, carbonated, cola, without caffeine. USDA FoodData Central. Beverages, carbonated, low calorie, cola or pepper-type, with aspartame, without caffeine. Source checked September 29, 2026.