Seltzer Water Drinks That Taste Like Soda
Fizzy and ginger in it. 3 min to make.
What's in your can?
Pick a drink, a size and how many. See the sugar stack up as teaspoons, the caffeine against the FDA's daily figure, and what it comes to in a year.
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.
Every drink, side by side.
Sugar and caffeine per serving, from each maker's US label. Open a drink for its sizes, teaspoons and questions.
| Drink | Size | Sugar | Teaspoons | Caffeine |
|---|---|---|---|---|
| Coca-Cola | 12 fl oz can | 39 g | 9¾ | 34 mg |
| Diet Coke | 12 fl oz can | 0 g | 0 | 46 mg |
| Coca-Cola Zero Sugar | 12 fl oz can | 0 g | 0 | 34 mg |
| Pepsi | 12 fl oz can | 41 g | 10 | 38 mg |
| Pepsi | 20 fl oz bottle | 69 g | 17 | 63 mg |
| Sprite | 12 fl oz can | 38 g | 9½ | 0 mg |
| Mountain Dew | 12 fl oz can | 46 g | 12 | 54 mg |
| Mountain Dew | 20 fl oz bottle | 77 g | 19 | 91 mg |
| Dr Pepper | 12 fl oz can | 39 g | 9¾ | 41 mg |
| Fanta Orange | 12 fl oz can | 44 g | 11 | 0 mg |
| Fanta Orange | 20 fl oz bottle | 73 g | 18 | 0 mg |
| Red Bull Energy Drink | 8.4 fl oz can | 26 g | 6½ | 80 mg |
| Red Bull Energy Drink | 12 fl oz can | 39 g | 9¾ | 114 mg |
| Monster Energy | 16 fl oz can | 53 g* | 13 | 160 mg |
| Rockstar Original | 16 fl oz can | 63 g | 16 | 161 mg |
| Celsius Sparkling Orange | 12 fl oz can | 0 g | 0 | 200 mg |
* Calculated from USDA FoodData Central figures; the maker's US page lists no sugar amount for this can.
- How much is in a Coca-Cola?
- How much is in a Diet Coke?
- How much is in a Coke Zero?
- How much is in a Pepsi?
- How much is in a Sprite?
- How much is in a Mountain Dew?
- How much is in a Dr Pepper?
- How much is in a Fanta Orange?
- How much is in a Red Bull?
- How much is in a Monster Energy?
- How much is in a Rockstar?
- How much is in a Celsius?
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.
- Diet Coke, 12 fl oz can: sugar from coca-cola.com, caffeine from coca-cola.com.
- Coca-Cola Zero Sugar, 12 fl oz can: sugar from coca-cola.com, caffeine from coca-cola.com.
- Pepsi, 12 fl oz can: sugar from pepsicoproductfacts.com, caffeine from pepsicoproductfacts.com.
- Pepsi, 20 fl oz bottle: sugar from pepsicoproductfacts.com, caffeine from pepsicoproductfacts.com.
- Sprite, 12 fl oz can: sugar from coca-cola.com, caffeine from coca-cola.com.
- Mountain Dew, 12 fl oz can: sugar from pepsicoproductfacts.com, caffeine from pepsicoproductfacts.com.
- Mountain Dew, 20 fl oz bottle: sugar from pepsicoproductfacts.com, caffeine from pepsicoproductfacts.com.
- Dr Pepper, 12 fl oz can: sugar from kdpproductfacts.com, caffeine from kdpproductfacts.com.
- Fanta Orange, 12 fl oz can: sugar from fdc.nal.usda.gov, caffeine from coca-cola.com.
- Fanta Orange, 20 fl oz bottle: sugar from coca-cola.com, caffeine from coca-cola.com.
- Red Bull Energy Drink, 8.4 fl oz can: sugar from redbull.com, caffeine from redbull.com.
- Red Bull Energy Drink, 12 fl oz can: sugar from fdc.nal.usda.gov, caffeine from redbull.com.
- Monster Energy, 16 fl oz can: sugar from fdc.nal.usda.gov (Calculated from USDA FoodData Central entry 492443 (11.2 g sugars per 100 ml) for a 16 fl oz (473 ml) can; Monster's US page lists no sugar figure.), caffeine from monsterenergy.com.
- Rockstar Original, 16 fl oz can: sugar from rockstarenergy.com, caffeine from rockstarenergy.com.
- Celsius Sparkling Orange, 12 fl oz can: sugar from celsius.com, caffeine from celsius.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.