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.

Unsweetened cocoa powder contains about 12 mg of caffeine per tablespoon, and the total climbs with each extra spoonful.

A 12-oz brewed coffee often lands near 140 mg of caffeine, yet many cups sit anywhere from 90 to 200 mg.

A tablespoon of plain cacao powder usually brings 5–15 mg of caffeine, with brand and processing shifting the number.

A 12-oz can of Coke lists 34 mg of caffeine.

A 12-oz can contains 34 mg of caffeine, while the zero-caffeine version contains 0 mg.

A 12-oz can of Coca-Cola contains about 34 mg of caffeine.