Daily How Much

A 12-ounce brewed coffee often sits near 140–150 mg of caffeine, with many cups landing from 110 to 250 mg.

Two espresso shots often land around 120–150 mg of caffeine, with real cups drifting up or down based on dose, bean, and shot style.

Most people notice caffeine at 50–100 mg, with a clearer lift near 100–200 mg when taken on an empty stomach.

An 8-oz cup of brewed coffee often has about 96 mg of caffeine, with many cups falling between 60 and 150 mg.

Most adults feel more alert with 50–200 mg caffeine taken early, while keeping total daily intake at or under 400 mg.

Most healthy adults can have up to 400 mg caffeine a day, with lower limits in pregnancy and for teens.

Most cans land between 80 and 200 mg of caffeine per serving, yet bigger sizes and “energy shots” can push past 300 mg.

A typical 8-oz brewed serving lands around 30–80 mg of caffeine, shaped by leaf amount, water heat, and steep time.

One small 8.4-oz Red Bull contains 80 mg of caffeine, while larger cans typically hold 114–198 mg depending on size.

A latte usually lands between 60 and 200 mg of caffeine, shaped by how many espresso shots are in your cup.