☕ Caffeine Intake Calculator
Track your daily caffeine from coffee, tea, soda, and energy drinks. See if you are within safe limits.
About This Calculator
Track caffeine from multiple beverages. The timeline shows estimated caffeine levels throughout the day assuming a 5-6 hour half-life.
FAQ
What is the safe limit?
FDA recommends max 400mg/day for adults, 200mg for pregnant women.
How long does caffeine last?
Half-life is about 5-6 hours. This means after 6 hours, half the caffeine is still in your system.