Caffeine Calculator

Brewed coffee, 1 cup (8 fl oz) (95 mg) (servings)

Espresso, 1 shot (1 fl oz) (63 mg) (servings)

Black tea, brewed, 1 cup (8 fl oz) (47 mg) (servings)

Green tea, brewed, 1 cup (29 mg) (servings)

Cola, 1 can (12 fl oz) (33 mg) (servings)

Dark chocolate, 60-69% cacao, 1 oz (24 mg) (servings)

Caffeine from anything else, from its label (mg)

Caffeine: 270mg
Of 400 mg: 68%; 130 mg under
In cups of coffee: 2.8; brewed, 8 fl oz

2 × brewed coffee 190 mg + 1 × black tea, brewed 47 mg + 1 × cola 33 mg = 270 mg.

Estimates from published formulas, not medical advice. How we calculate.

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