Caffeine Calculator
272mg
Total Caffeine
400mg
Safe Limit
68%
Safe
Caffeine Content Guide
Coffee (8 oz)
Brewed: 95mg, Espresso: 63mg per shot
Tea (8 oz)
Black: 47mg, Green: 28mg, Herbal: 0mg
Energy Drinks
80-200mg per can or bottle
Soda (12 oz)
Cola: 35-45mg, Energy soda: 50-80mg