There are 100 calories in a single cup of red seedless grapes, states WebMD. Each cup is full of vital nutrients including antioxidants, vitamin C and vitamin K.
It takes more than two pounds of grapes to make a single bottle of wine, WebMD says. There are so many different types of wines available because there are more than 8,000 different types of grapes in the world. Grapes come in several different colors including white, green, pink, blue and even black. Each type of grape has its own unique flavor to allow vineyards to make wines that taste different from other wines that are on the market.