Which is the best Facebook Page Engagement Rate Formula? The short answer is, there isn’t a “best” measure out there. Different social media managers like to use a different Facebook engagement rate formula for their pages because it fits their page’s needs better. A standard engagement rate formula doesn’t really cut it given how diverse one page can be from the other. Let’s take a look at the potential options that you have, amongst all the litter of formulae out there! We'll give you the pros and cons of the best Facebook Page Engagement Rate Formulae out there and help you pick the best one for your page!