Seltzer Water Drinks That Taste Like Soda
Fizzy and ginger in it. 3 min to make.
How much sugar and caffeine is in a Coca-Cola?
A 12 fl oz can of Coca-Cola has 39 g of sugar (about 9¾ teaspoons) and 34 mg of caffeine. That is over the American Heart Association's daily added-sugar limits for women (25 g) and men (36 g). Source: fdc.nal.usda.gov and coca-cola.com, checked 13 November 2026.
Coca-Cola by size
What that looks like in teaspoons
One cube is one teaspoon, or 4 g of sugar.
12 fl oz can39 g = 9¾ tsp
Check your own day.
Set how many Coke you drink and see the week, the month and the year. Change the drink to compare.
Check a drink
mg caffeine a day
| Measure | Day | Week | 30 days | Year |
|---|
Swap it.
Drinks you can make at home that keep what you reach for Coca-Cola for.
Questions about Coke.
How much sugar is in a Coca-Cola?
A 12 fl oz can has 39 g of sugar. At 4 g per teaspoon that is about 9¾ teaspoons.
How much caffeine is in a Coca-Cola?
A 12 fl oz can has 34 mg of caffeine. For comparison, the FDA cites 400 mg a day as an amount not generally associated with negative effects for most healthy adults.
How much sugar is that in a year at one 12 fl oz can a day?
14.2 kg of sugar, about 3,559 teaspoons, across 365 cans. The Swap Lab checker above works it out for your own number of drinks per day or week.
How does Coke compare with the daily sugar limits?
That is over the American Heart Association's daily added-sugar limits for women (25 g) and men (36 g).
What can I drink instead of Coke?
Try Seltzer Water Drinks That Taste Like Soda, Shirley Temple Mocktail or Mocktail Recipes. Each is a short recipe on this site that keeps what you like about Coke: cold, and with a lift if you want one.
Read next
Check another drink
Where the numbers come from.
Every figure is from the maker's own US nutrition page or label, or from the USDA's FoodData Central database, checked 13 November 2026. Recipes and formulas change, so the label on your can has the final word.
- Teaspoons: 4 g of sugar counts as 1 teaspoon (MedlinePlus).
- Sugar limits: the American Heart Association suggests no more than 25 g of added sugar a day for women and 36 g for men (heart.org).
- Caffeine: the FDA cites 400 mg a day as an amount not generally associated with negative effects for most healthy adults (fda.gov).
- Coca-Cola, 12 fl oz can: sugar from fdc.nal.usda.gov, caffeine from coca-cola.com.
FizzFree is a habit tracker and not medical advice. If you have a health condition or take medication, talk to your doctor before changing what you drink. Coca-Cola is a trademark of its owner; FizzFree is not connected to it.