How does the Caffeine Half-Life Calculator work?
The Formula
Amount * (0.5)^(Hours/Half-Life)Example: 100mg after 5 hrs = 50mg remaining.
Frequently Asked Questions
Average half-life?
About 5 hours.
Calculate how much caffeine is still active in your system at bedtime based on when and what you drank. Helps optimize sleep quality.
Amount * (0.5)^(Hours/Half-Life)About 5 hours.