How To Measure the ROI in Facebook?
What are the best practices to measure RIO from FB paid campaigns marketing?
Hi, I’ve found one good read on the same topic here https://sproutsocial.com/insights/facebook-roi/ I hope that will help.
To measure the ROI in Facebook is Check the amount spent on an ad with the results you got. For example, you spent some amount and received some results, to check ROI you can divide the amount by results you received.