Coffee & Espresso · Drink database
Caffeine in Decaf Coffee (Brewed)
2 mg
per 8 oz cup Caffeine-free
≈ 0.3 mg per fl oz
Hydration celebration. Zero regrets. Zero everything.
Every serving size
| Serving | Caffeine | % of 400 mg day | Finish by (10:30 PM bed) |
|---|---|---|---|
| 8 oz cup (8 oz) | 2 mg | 1% | Any time |
Cutoff column: average metabolism (5 h half-life), ~50 mg bedtime threshold — run it with your bedtime →
How it compares
Decaf Coffee (Brewed) 2 mg
Green tea (8 oz) 28 mg
Black tea (8 oz) 47 mg
Brewed coffee (8 oz) 96 mg
Monster (16 oz) 160 mg
Bang (16 oz) 300 mg
This one spends nothing from your daily caffeine budget — a free evening ritual. At 2 mg per 8 oz cup, this drink is 1% of the FDA's 400 mg daily ceiling for healthy adults.
Decaf is not zero — USDA averages about 2 mg per 8 oz, and real-world cups range 2–15 mg depending on process.
Source: USDA FoodData Central · confidence: high
Make it useful
Log this in the tracker Check my cutoff time
Related reading: coffee vs tea vs energy drinks · when to stop before bed