How much caffeine is in your average cup of coffee?

Question

How much caffeine is in your average cup of coffee?

Answer 1

100 to 150 milligrams.

Answer 2

A value of 279mg has also been suggested - from an analysis of samples taken from Starbucks Breakfast Blend coffee. The actual caffeine per item varied greatly - this value is an average.

Caffeine levels will always vary in coffee depending on the blend and brewing process.

Answer 3

An 8-ounce beverage contains:

Coffee, Drip 115-175

Coffee, Brewed 80-135

Coffee, Espresso (2 ounces) 100

Coffee, Instant 65-100

Tea, iced 47

Tea, brewed, imported brands (avg.) 60

Tea, brewed, U.S. brands (avg.) 40

Tea, instant 30

Tea, green 15

Hot cocoa 14

Coffee, Decaf, brewed 3-4

Coffee, Decaf, instant 2-3

Answer 4

that's a good question, how can you tell?