How Much Caffeine in Coca-Cola?
FDA daily safe limit: 400 mg adults, 200 mg pregnancy (ACOG), 100 mg adolescents (AAP). For multi-drink stacking with sleep impact, see the full caffeine calculator.
Frequently asked questions
How much caffeine is in a can of Coca-Cola?
A 12 oz can of Coca-Cola Classic has 34 mg of caffeine. That is about one-third of a regular cup of brewed coffee. The 20…
A 12 oz can of Coca-Cola Classic has 34 mg of caffeine. That is about one-third of a regular cup of brewed coffee. The 20 oz bottle has 57 mg, and the 2 L bottle contains 192 mg — close to half the FDA daily limit in one bottle if consumed alone.
Does Diet Coke have more caffeine than regular Coke?
Yes — 46 mg per 12 oz can vs 34 mg in Coke Classic. The difference comes from Diet Coke's distinct formula, developed in 1982…
Yes — 46 mg per 12 oz can vs 34 mg in Coke Classic. The difference comes from Diet Coke's distinct formula, developed in 1982 as a separate product rather than a sugar-free version of Coke. Coca-Cola Zero Sugar uses the Classic formula and matches at 34 mg.
Is Coca-Cola safe for kids?
In moderation. The American Academy of Pediatrics recommends children under 12 avoid caffeine entirely, and adolescents stay below 100 mg per day. Two 12 oz…
In moderation. The American Academy of Pediatrics recommends children under 12 avoid caffeine entirely, and adolescents stay below 100 mg per day. Two 12 oz cans of Coke (68 mg) is under the teen limit but adds up if combined with chocolate, tea, or other caffeine sources.
How much Coca-Cola can a pregnant woman drink?
Up to about five 12 oz cans of Coke Classic per day stays within ACOG's 200 mg pregnancy limit. But most pregnant women also drink…
Up to about five 12 oz cans of Coke Classic per day stays within ACOG's 200 mg pregnancy limit. But most pregnant women also drink coffee or tea — adjust accordingly. A typical pregnancy diet with one morning coffee already has 100+ mg before any Coke.
Why does Coca-Cola contain caffeine?
Caffeine has been part of Coca-Cola's formula since 1886. Originally the recipe used kola nuts (which contain caffeine) along with coca leaves. The modern formula…
Caffeine has been part of Coca-Cola's formula since 1886. Originally the recipe used kola nuts (which contain caffeine) along with coca leaves. The modern formula uses added caffeine separately. The amount has held roughly constant at 34 mg per 12 oz since the 1980s formula changes.