You can also calculate the cost of driving from Cincinnati, OH to Detroit, MI based on current local fuel prices and an estimate of your car's best gas mileage. If you're meeting a friend, you might be interested in finding the city that is halfway between Cincinnati, OH and Detroit, MI.
Cocoa beans contain caffeine, so the higher the percentage of cocoa in a chocolate bar, the higher its caffeine content. Likewise for coffee: Ounce for ounce, the more diluted the coffee drink, the less caffeine.
The caffeine in chocolate varies according to the type of chocolate. Semi-sweet chocolate usually contains about 10 milligrams of caffeine per ounce. Milk chocolate usually has at five milligrams or less of caffeine per ounce. Generally, the level of caffeine in chocolate is higher as the chocolate gets darker because dark chocolate contains more cocoa.