Caffeine Calculator
Track caffeine intake and metabolism time to understand your caffeine status
Input Data
Recommended daily caffeine limit is 400mg (about 4 cups of Americano). Caffeine half-life is approximately 5 hours.
Results
Caffeine Metabolism Timeline
Excess Warning
Your caffeine intake has exceeded the daily recommended limit of 400mg. Excess intake may cause anxiety, insomnia, and heart palpitations. Consider reducing your intake.
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Common Drink Caffeine Content Reference
| Drink | Serving Size | Caffeine Content | Cups to Reach Limit |
|---|---|---|---|
| Espresso | 30ml | 63 mg | ~6.3 cups |
| Americano | 240ml | 95 mg | ~4.2 cups |
| Latte | 240ml | 75 mg | ~5.3 cups |
| Pour Over Coffee | 240ml | 120 mg | ~3.3 cups |
| Cold Brew Coffee | 240ml | 200 mg | ~2.0 cups |
| Green Tea | 240ml | 30 mg | ~13.3 cups |
| Black Tea | 240ml | 50 mg | ~8.0 cups |
| Matcha | 240ml | 70 mg | ~5.7 cups |
| Energy Drink | 250ml | 80 mg | ~5.0 cans |
| Cola | 350ml | 35 mg | ~11.4 cans |
* Caffeine content varies by brand and brewing method. The above data are average reference values. Adults are advised not to exceed 400mg of caffeine per day.
Financial Disclaimer
The results of this tool are for reference only and do not constitute investment advice. Actual values may vary due to financial institution policies, interest rate changes, and individual circumstances. Please consult a professional financial advisor before making any financial decisions.