caffeine
WhiskMetrics calculators related to caffeine.
Matcha Caffeine Calculator
Estimate the caffeine in your matcha by grams and grade, see how it compares with coffee and tea, and track your daily total against the FDA 400 mg guidance.
Matcha Latte Caffeine Calculator
How much caffeine is in your matcha latte? Estimate it from the grams of powder and the grade, hot or iced, and compare it with a cup of coffee.
Matcha vs Coffee Caffeine Calculator
Compare caffeine in your matcha with brewed coffee, espresso, and tea, side by side, using lab-measured matcha ranges and USDA coffee data.
Caffeine Half-Life Calculator
See how much caffeine from your matcha is still in your system at bedtime, with a 12-hour decay curve based on caffeine's roughly five-hour half-life.
Matcha Before Bed Calculator
Planning an afternoon or evening matcha latte? See how much caffeine will still be active when you go to sleep, and find a cutoff time that works for you.