Most iced tea lands around 15–60 mg of caffeine per 8 oz, with herbal iced “teas” at 0 mg and strong black tea batches running higher.

An 8-oz cup of brewed green tea often has about 25–45 mg of caffeine, while brewed coffee often lands near 80–120 mg.

A single 1-oz (30 ml) espresso shot often lands around 60–65 mg of caffeine, with real shots drifting higher or lower by recipe and beans.

An 8-oz cup of decaf coffee usually lands around 2–15 mg of caffeine, yet the exact sip-to-sip number swings with bean type and brew style.

A 1-oz piece of 70–85% dark chocolate has 20–25 mg caffeine; a 3.5-oz bar lands near 80 mg.

A typical 8-oz cup of black tea has 40–70 mg of caffeine, with stronger brews and larger servings running higher.

Most AriZona teas sit in a low-to-moderate range, with green tea blends at 7.5 mg per 8 oz and black tea blends at 15 mg per 8 oz.

A typical mug of hot chocolate lands near 5–25 mg of caffeine, depending on cocoa dose, brand mix, and how strong you make it.

A plain 8-oz cup of brewed green tea often lands around 20–50 mg of caffeine, with your leaf and brewing choices shifting it up or down.

Each Excedrin Migraine caplet contains 65 mg of caffeine, close to what many people get from a small cup of brewed coffee.