You can view more details on each measurement unit: grams or oz. The SI base unit for mass is the kilogram. 1 kilogram is equal to 1000 grams, or 35.2739619496 oz. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between grams and ounces.
Cold Brew Usually Has More Caffeine. In general, cold-brewed coffee is more caffeinated than hot-brewed coffee. The difference is especially noticeable when you use a full-immersion brew method to make toddy, which is why toddy is typically cut with either water or milk. Even a cold brew made with a drip method, though, can have more caffeine than a hot-brewed coffee.
Why does dark roast coffee have less caffeine than lighter roasts? If you are buying a cup of coffee and the coffee is measured by weight then dark roast will have slightly more caffeine. BUT if you buy a cup of coffee and it is measured by volume then light roast will be higher in caffeine because you will have more coffee grounds.