Do you know the difference? Which one has more caffeine? There are a lot of factors that will affect the amount of caffeine in a cup of coffee, including the size of the drink and the strength of the brew. How much caffeine is in your coffee also depends on the type of roast you're drinking. There's a real difference between light roast and dark roast coffee when it comes to caffeine content as well as taste, and the way your coffee is roasted can also have an effect on how much caffeine it has.
But in order to understand the difference between dark roast and light roast, you need to understand how and why coffee beans are roasted in the first place. Click here to find out more: http://www.extracrispy.com/drinks/2196/whats-the-difference-between-light-and-dark-roast-coffee