Caffeine Half-Life Calculator
Track caffeine levels in your system
BMI Categories
Underweight: BMI < 18.5
Normal weight: 18.5 - 24.9
Overweight: 25 - 29.9
Obese: BMI ≥ 30
Track caffeine levels in your system
Underweight: BMI < 18.5
Normal weight: 18.5 - 24.9
Overweight: 25 - 29.9
Obese: BMI ≥ 30