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How Much Caffeine Are You Consuming?
Formula
The FDA recommends a maximum of 400mg of caffeine per day for healthy adults, equivalent to about 4 cups of brewed coffee.
Caffeine has a half-life of about 5 hours, meaning half the caffeine from your morning coffee is still in your system 5 hours later.
Common use cases:
- Monitoring daily caffeine intake
- Sleep quality improvement
- Health and wellness tracking
Frequently Asked Questions
Maria Gonzalez
Registered Dietitian, RD, MPH
Maria is a Registered Dietitian with a Master's in Public Health. She focuses on evidence-based nutrition assessment tools including BMI, calorie calculations, and body composition analysis.
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