WhiskMetrics tools
Matcha calculators
Everything you need to make matcha by the numbers — ratios, caffeine, and cost. Free, instant, and no sign-up.
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.
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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.
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