The size of cocktail dresses could be ranged from mid-leg to knee length. You are able to decide the skirt length based on the body shape. A mid-leg length dress is fabulous for any lady with nice legs, while a knee length dress suits for those-figures. However, the measures of formal dresses are usually from knee length to floor length. Floor length is completely typically the most popular one when you are attending some formal occasions just like a cathedral wedding. It's not appropriate to put on an above-knee length dress yourself in a proper occasion.