Calories in Coca-Cola
Updated July 2026 · Source: USDA FoodData Central
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Nutrition Facts
* % Daily Value based on a 2,000 kcal diet.
Nutritional Content — per 100ml
| Component | Amount | % Daily Value | Bar |
|---|---|---|---|
| Sugar | 10.6g/100ml | High | |
| Caffeine | 34mg/can | — | |
| Sodium | 10mg | 0% | |
| Phosphorus | ~14mg | 1% | |
| Potassium | 0mg | 0% | |
| Calcium | 0mg | 0% | |
| Magnesium | 0mg | 0% | |
| Vitamin C | 0mg | 0% | |
| Iron | 0mg | 0% | |
| Protein | 0g | 0% |
Calories in Coca-Cola by Volume
| Volume | Calories | Sugar | Carbs |
|---|
Calorie Breakdown — per 100ml
Pure sugar and water — zero protein, fat, fiber, or vitamins. 39g sugar per can = 10 teaspoons. 34mg caffeine per can. GI ~65 — rapid blood sugar spike. High-fructose corn syrup in US; sugar (sucrose) in most other countries.
Key Compounds
Coca-Cola Health Facts
Type 2 Diabetes — 26% Higher Risk Per Daily Can
A meta-analysis of 17 cohort studies found each additional daily serving of sugar-sweetened beverages was associated with a 26% higher risk of type 2 diabetes. The mechanism is primarily the large, rapidly absorbed fructose load: fructose is metabolised in the liver where excess amounts increase liver fat, reduce insulin sensitivity, and promote de novo lipogenesis (fat synthesis). Even without weight gain, regular sugar-sweetened beverage consumption independently impairs insulin sensitivity.
Dental Erosion — pH 2.5 and 10 Teaspoons of Sugar
Coca-Cola has a pH of approximately 2.5 — more acidic than vinegar (pH 2.9) and approaching battery acid (pH 1.0). This extreme acidity directly dissolves tooth enamel (which begins dissolving below pH 5.5). Combined with 39g of sugar per can (feeding bacteria that produce further acid), regular cola consumption is one of the most damaging dietary habits for dental health. Drinking through a straw and rinsing with water after consumption reduce but do not eliminate this risk.
Empty Calories and Weight
Sugar-sweetened beverages are uniquely problematic for weight management because liquid calories do not trigger the same satiety signals as solid food — the brain responds to liquid sugar as if it were water, creating a 'caloric blind spot'. Multiple studies show people do not compensate for beverage calories by eating less. This makes SSBs disproportionately fattening compared to equivalent calories from solid food.
Caffeine — The Least Harmful Ingredient
At 34mg per can — less than half a cup of coffee — Coca-Cola's caffeine content is modest and the least concerning of its ingredients. The caffeine provides mild alertness effects but is not meaningfully addictive at this dose level. The bigger concerns are the sugar, phosphoric acid, and the absence of any nutritional value.
Coca-Cola vs Other Drinks
Is Coca-Cola Suitable for Your Diet?
Related Calculators
Frequently Asked Questions
Sources
Nutrition values from USDA FoodData Central. Not medical advice.