WellByNumbers.

Coffee, brewed vs Americano: caffeine compared

Americano (16 oz (3 shots)) has 225 mg of caffeine, 130 mg more than Coffee, brewed (8 oz, 95 mg) — 2.4× as much per serving. Per fluid ounce, Americano is the stronger drink: 14.1 mg/oz versus 11.9 mg/oz.

Coffee, brewedAmericano
Serving8 oz16 oz (3 shots)
Caffeine per serving95 mg225 mg
Per fl oz11.9 mg14.1 mg
Share of 400 mg/day24%56%
Servings to reach 400 mg4.21.8
Hours until under 50 mg4.6 h10.8 h
Last one for an 11 PM bedtime · standard (50 mg)6:22 PM12:09 PM
Last one for an 11 PM bedtime · sensitive (25 mg)1:22 PM7:09 AM
Share of the 200 mg pregnancy limit48%112%

One serving of each, over 16 hours

0501001502000h2h4h6h8h10h12h14h16h50 mg bedtime limitCoffee, brewed · 95 mgAmericano · 225 mg

Common questions

Which has more caffeine, Coffee, brewed or Americano?

Americano (16 oz (3 shots)) has about 225 mg versus 95 mg in Coffee, brewed (8 oz): 130 mg more, or 2.4× as much.

Which is stronger per ounce, Coffee, brewed or Americano?

Americano: about 14.1 mg per fl oz versus 11.9 mg for Coffee, brewed. Serving size decides the total you actually drink.

How many Coffee, brewed servings equal one Americano?

About 2.4 servings of Coffee, brewed (8 oz) match the caffeine in one Americano (16 oz (3 shots)).

When should I stop drinking Coffee, brewed or Americano before bed?

For an 11 PM bedtime with a 50 mg limit and a 5-hour half-life: last Coffee, brewed by 6:22 PM, last Americano by 12:09 PM. Half-life varies from about 1.5 to 9.5 hours between people.

Method

Caffeine per labeled serving, from the same drink table every calculator here uses (FDA/USDA reference amounts and manufacturer labels; see caffeine content of every drink). Brewed drinks vary batch to batch, so read these as typical values. Decay uses a 5-hour average half-life with a 45-minute absorption ramp; cutoff = bedtime − 5 h × log₂(dose ÷ limit). Percentages use the FDA's 400 mg/day figure for healthy adults and the 200 mg/day limit ACOG gives for pregnancy.

Source — Coffee, brewed: USDA FoodData Central (SR Legacy 171890), checked 2026-10-13. 40 mg per 100 g × 237 g (8 fl oz).

Source — Americano: Starbucks — Caffè Americano nutrition (Grande), checked 2026-10-13.

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