There is a success in social media when you achieve more follower, like, shares, reach, impressions, mentions, reads and clicks. All of this means your brand, product or profile is getting more exposure on the internet. More exposure normally means more business.
So to measure your success in terms of the actual dollars is a little different. If you are using advertising there is the amount you spend to get the new customers. If you are just using posts, videos, images, SEO and blogs there is still a cost for the time and effort involved. In this image are some of the measure you can use.