how much caffeine in decaf coffee
Fourteen to twenty cups of such decaffeinated coffee would contain as much caffeine as one cup of regular coffee. The 16-ounce (473-ml) cups of coffee samples contained caffeine in the range of 8.6 mg to 13.9 mg. In another study of popular brands of decaf coffees, the caffeine content varied from 3 mg to 32 mg. An 8-ounce (237-ml) cup of regular coffee contains 95â200 mg of caffeine, and a 12-ounce (355-milliliter) serving of Coca-Cola contains 36 mg.