Calculating Area from Map for use in App

Hello Everyone,

I’ve been kicking around an idea for an app for a while that will involve calculating area of a given zone that the user would draw on a map. The idea is the data from this would then be used to create real-time quotes for the service the app connects people with. For example, someone might draw a zone around their house that equals 750 sq ft. which then spits out a quote of $100.

Does anyone have any tips on how to go about doing this? Is there a plugin out there that has this functionality?

Thank you in advance!

Did you just join my server?