Caffeine Calculator
Calculate your caffeine intake, track how long it stays in your system, and know when it's safe to sleep.
Important Health Disclaimer
This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.
For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.
Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.
Not a substitute for professional medical advice
Caffeine Intake
Enter 0 if you just consumed it
Total Caffeine Consumed
190 mg
Safe Level
Sleep Recommendation
Wait approximately 10.6 hours for caffeine to drop below 50mg for better sleep quality.
Potential Effects
- Increased alertness
Common Caffeine Sources
Recommended daily limit: 400mg for healthy adults. Pregnant women should limit to 200mg.
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