Calculator
Caffeine Calculator
Track your daily caffeine intake and see the decay timeline.
☕Add Your Drinks
08:00 — Drip 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
| Drink | Caffeine |
|---|---|
| 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 |