A standard 12-ounce (355 ml) can of Coca-Cola contains about 39 grams of sugar, which is roughly equivalent to 9 to 10 teaspoons of sugar

. This amount of sugar provides around 140 calories per can

. The sugar content corresponds to about 10.6 grams of sugar per 100 ml of Coca-Cola

. In some references, a 330 ml can is noted to have about 35 grams of sugar, which is approximately 7 teaspoons

. This slight variation depends on the can size and regional labeling but generally falls close to the 39 grams figure for a 12 oz can. To summarize:

• 12 oz (355 ml) can of Coca-Cola: ~39 grams of sugar, ~140 calories
• 330 ml can of Coca-Cola: ~35 grams of sugar, ~130-140 calories

This sugar mostly comes from high-fructose corn syrup or sucrose, which contributes to the calorie content

. Thus, a typical can of Coke contains a high amount of sugar, making it a significant source of added sugar in the diet.