Tea caffeine calculator

How much caffeine is in your tea? Add the cups you drink in a day to see a typical total, and how it compares with Health Canada’s daily guidance. Tea usually has far less caffeine than coffee, and steeping time and water temperature change it too: a shorter, cooler steep gives a gentler cup.

Drink	Serving	Caffeine
Black tea	1 cup (250 ml)	40–70 mg
Oolong tea	1 cup (250 ml)	30–50 mg
Green tea	1 cup (250 ml)	20–45 mg
White tea	1 cup (250 ml)	15–30 mg
Matcha (latte or whisked)	1 serving (2 g)	60–70 mg
Hojicha (latte or whisked)	1 serving (2 g)	10–20 mg
Rooibos, herbal & fruit tea	1 cup (250 ml)	None
Brewed coffee	1 cup (250 ml)	95–165 mg
Espresso	1 shot (30 ml)	60–75 mg

Daily caffeine guidance (Health Canada)

Healthy adults : 400 mg
Pregnant, breastfeeding or planning a pregnancy : 300 mg

Health Canada: caffeine in foods · Caffeine-free teas

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