Red Bull vs Celsius: which has more caffeine?
A Red Bull has about 80 mg; a Celsius about 200 mg. See the full caffeine comparison per can and per ounce.
Celsius has roughly 2.5 times the caffeine of a Red Bull. About 200 mg in a 12 oz Celsius versus about 80 mg in an 8.4 oz Red Bull, and Celsius is stronger per ounce too.
| Drink | Serving | Caffeine | Per ounce |
|---|---|---|---|
| Celsius Original | 12 oz | 200 mg | 16.7 mg/oz |
| Red Bull | 8.4 oz | 80 mg | 9.5 mg/oz |
Per ounce
Celsius runs about 16.7 mg per ounce; Red Bull about 9.5 mg. A Red Bull is closer to a cup of coffee than most people expect.
Go deeper
Full breakdowns: Celsius caffeine and Red Bull caffeine. See them side by side on the Caffeine Bubble Map, or add these to your day in the Caffeine Calculator.
Written by Mike Zagare · Published
Mike Zagare is the founder of Knuckle. He tapered off a 500 to 600mg-a-day habit and built Knuckle from that protocol.
Common questions
Is one Celsius equal to two Red Bulls?
Slightly more. Two Red Bulls are about 160 mg; one Celsius is about 200 mg.
Which is better if I'm cutting back?
The lower dose. A Red Bull is a smaller step down than swapping Celsius for coffee.
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