A complete toolkit of science-based calculators to help you manage your caffeine intake, improve your sleep, and optimize your energy.
Compare two caffeine habits to see the impact of switching.
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 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.
Estimate your current tolerance level based on your consumption habits.
Create a personalized tapering plan to quit caffeine without the headaches.
Compare products to find the most cost-effective source of caffeine.
Estimate extra water intake needed based on your caffeine consumption.
Visualize your caffeine sources with a pie chart to find hidden caffeine.
Estimate the caffeine in your homemade coffee based on brew method, beans, and ratio.
Plan and optimize your team's monthly coffee budget.
Calculate your ideal pre-workout caffeine dose for peak athletic performance.
Track your caffeine intake to stay within the 200mg limit for a healthy pregnancy.