Daily How Much

A standard 8-oz mug of instant coffee is often around 60–65 mg of caffeine, while a lighter mix can land closer to 30 mg.

A Starbucks brewed coffee runs from 155–324 mg of caffeine, based on cup size and the drink you pick.

An 8-oz brewed coffee lands near 80–100 mg of caffeine, while a 12-oz Coke sits at 34 mg.

Brewed coffee usually packs more caffeine per cup than black tea, yet mug size, strength, and steep time can narrow the gap.

Most roasted coffee beans carry about 10–20 mg of caffeine per gram, so a single bean often lands near 1–3 mg, depending on species and size.

A 12 oz brewed coffee often has 140–200 mg caffeine, while a 12 oz chai latte often lands near 30–90 mg, depending on recipe and brand.

An 8-oz coffee commonly has about 95 mg caffeine; an 8-oz chai usually ranges 25–60 mg, depending on tea strength and mix.

A 16-oz brewed coffee usually lands near 180–300 mg of caffeine, with some café pours reaching 300+ mg.

An 8-oz brewed coffee often lands around 80–120 mg of caffeine, with bean type, dose, and brew style shifting the total.

A 1-tbsp serving of cocoa powder often adds 2–6 mg caffeine; a mug made with 1–2 tbsp tends to land near 5–15 mg.