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One Fioricet tablet or capsule contains 40 mg of caffeine, so each dose adds caffeine on top of coffee, tea, soda, and energy drinks.

A typical 8-oz mug of brewed filter coffee lands near 80–100 mg of caffeine, with the final number shifting with dose, grind, and brew time.

A standard single espresso shot lands near 60–75 mg of caffeine, with dose, bean mix, and shot style shifting it up or down.

Each caplet contains 65 mg of caffeine, so a standard 2-caplet dose gives 130 mg—often in the same range as a cup of coffee.

Everyday Dose lists 45 mg caffeine per Coffee+ serving, while its Medium Roast and Matcha options list 90 mg and 40 mg per serving.

Each Excedrin Extra Strength caplet has 65 mg of caffeine; a standard 2-caplet dose delivers 130 mg.

A typical doppio lands around 120–150 mg of caffeine, though café pours can swing wider.

A standard 8-ounce mug of drip coffee lands near 96 mg of caffeine, with real-life cups often ranging from 60–200+ mg.

An 8-oz mug of Earl Grey usually lands around 40–70 mg of caffeine, shaped by how much leaf you use and how long you steep it.

A Dunkin small iced coffee lands around 198 mg of caffeine, with normal brew-to-brew swings.