Calculator

Caffeine Calculator

Track your daily caffeine intake and see the decay timeline.

Add Your Drinks

08:00Drip Coffee (8oz)
95mg

📊Daily Total

95mgLimit: 400mg

✓ 305mg remaining

📈Caffeine Timeline

Estimated clearance: 3:00 (based on 5.5h half-life)

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📋Common Caffeine Sources

DrinkCaffeine
Drip Coffee (8oz)95mg
Espresso (1 shot)63mg
Cold Brew (8oz)155mg
Black Tea (8oz)47mg
Green Tea (8oz)28mg
Red Bull (250ml)80mg
Monster (16oz)160mg
Coca-Cola (12oz)34mg
Pre-workout (1 scoop)200mg
Dark Chocolate (1oz)12mg

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