To keep the math minimal here, a 12-ounce bag of coffee (which tends to be the most common size) will make around 32 cups if you're filling your mug to 6 ounces, and about 21 cups if you're ...

Instant coffee has significantly less caffeine than regular coffee. One cup (8 oz) contains 30 to 90 mg. The average caffeine content in a serving size is 62 mg. Don’t let the name fool you. Decaf ...