Weight of course refers to how heavy the coffee beans are, volume refers to how much space they take up, or how big they are. What would determine the amount of caffeine in a serving would be how the coffee is measured before it’s made into a cup of joe. Light roast retains more of its weight, making it more concentrated in caffeine, but only by a very small margin. But since roasting heat barely goes near 500☏ (260☌) they are both still similar in the amount of caffeine, what makes the difference is how the heat changes the beans’ density.Īs the beans are roasted their volume and weight changes, since dark roast coffee is roasted longer, it loses more weight, volume, and some caffeine. To make any big changes, the temperature would need to reach about 600☏ (about 315.6☌) to make an impact on the coffee beans’ caffeine content. Several things influence the strength of coffee:īefore beginning the roasting process, when the beans are still raw, they can have different levels of caffeine.

Keep reading to find out how these factors play into the caffeine of coffee. However, what actually influences caffeine is the weight and volume, the size of the grind, the brewing method, the variety of coffee, and its concentration. As it turns out, the caffeine content in a dark roast and light roast is nearly the same. Light roasts can have a very, small amount of more caffeine. But many folks just want a simple light or dark roast, some will pick a light roast if they want something that isn’t very strong, but does light roast coffee really have less caffeine?

Just as there are ways to brew it, there are thousands, perhaps even more ways to have it, drink it black, have it iced, mocha, latte, or come up with a unique artisan hybrid drink. There are countless ways to make your coffee, french press, percolator, instant, and so on.

Light roast coffee caffeine content