The caffeine content in coffee isn’t necessarily about whether it’s a dark or light roast. Essentially, the caffeine content in coffee is mainly determined by the ratio used during the coffee brewing process. If you want your brew to have more caffeine, then use more coffee when brewing.
Some coffee lovers assume that darker roasts contain more caffeine and are stronger than lighter roasts. However, roasting coffee beans doesn’t affect their caffeine content. Different roasts differ in terms of taste rather than their caffeine content.
The general rule for adding more caffeine to your brew is to use more coffee when brewing. When measured in terms of weight, the caffeine content in dark roast and light roast is the same. However, if you’re measuring coffee by a scoop, a darker roast has less caffeine than a lighter roast. The reason behind this is that darker roasts are roasted longer, making their mass lower. On the other hand, lighter roasts are roasted for a shorter period, making them denser than darker roasts.
Now that you know both dark and light roasts have equal caffeine content in terms of weight, you only need to find out which roast tastes better between the two. Although both roasts contain similar caffeine content, there’re several differences between dark roast and light roast coffee that may affect how each brew tastes.
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