OK - let's change "wounds" to "sounds"
I guess that's my sign to stop working for the night ...
And to really answer your question - Assessed Value times millage rate - divided by 1000
I have to disclaim that I'm not a tax professional, but $303,000x31.614 millage rate (city of Atlanta) divided by 1000 is approximately $9579 - of course, then homestead exemption comes into play...
Enjoy your perusal of the Fulton County Assessor's website!
You will also need the millage rate which can be found here - along with a list of the changes from previous years.
The "easy" way for a basic calculation may be to use this (sorry Trulia!):
OR to consult the tax records for the amount of taxes the previous - or current - owners paid the previous year.