Caffeine adds up quickly because brands and serving sizes vary. This page uses practical average values, then compares your total against a simple daily limit by age group. You can save scenarios, copy results, and export a two column PDF.
Type how many servings of coffee, tea, energy drinks, and soda you had today.
Choose Adult, Teen, or Child to set a simple recommended daily limit.
Press Calculate to see totals, per drink contributions, charts, and a breakdown table.
Add scenarios to compare, copy results, or export a two column PDF report.
Caffeine is a stimulant found in coffee, tea, chocolate, many sodas, and energy drinks. It can improve alertness, but it can also affect sleep, heart rate, and anxiety in sensitive people. Tracking totals is useful because serving sizes and recipes vary and can hide how quickly caffeine accumulates.
This page uses simple average values so the calculator stays fast and easy.
These are practical estimates. Actual caffeine depends on brand, brew strength, serving size, and ingredients.
Limits are simplified reference values and are not personalized medical guidance.
If you are pregnant, have a heart condition, or are sensitive to caffeine, consider a lower target and consult a clinician for personalized advice.
Wikipedia: Caffeine | Caffeine per serving references
Caffeine varies by brand, serving size, roast, and brewing method. This tool uses typical averages for a practical estimate.
This calculator uses 400 mg per day as a common reference limit for healthy adults.
Often yes. This page uses lower reference limits for teens and children.
No. This is for education and tracking only. Consult a clinician for personalized guidance.
These results are for reference only and were developed for educational and testing purposes.
