A complete toolkit of science-based calculators to help you manage your caffeine intake, improve your sleep, and optimize your energy.
Visually compare the caffeine content of different drinks side-by-side.
Visualize how long caffeine stays in your system to protect your sleep.
Track your total daily caffeine consumption against the 400mg safe limit.
Estimate toxic caffeine levels based on your body weight for safety awareness.
Discover if you are a fast, average, or slow metabolizer of caffeine.
Find out exactly how much caffeine is left in your system at bedtime.
Find the scientifically optimal time to drink coffee for peak focus on a specific task.
Create a personalized tapering plan to quit caffeine without the headaches.
Track your caffeine intake to stay within the 200mg limit for a healthy pregnancy.
