Log a drink
Today
0 mg
Typical values; real drinks vary. Not medical advice.
In your system
0 mg
estimated now, 5-hour half-life
Reusable cups, last 7 days
–
Caffeine and coffee tracker with a half-life estimate, sleep-ready time and reusable-cup stats. Runs in your browser.
Typical values; real drinks vary. Not medical advice.