I found this reloading calculator on the net. It calculates the economics of reloading when you consider the price of the loading components, the reuse of the shells, and you can add the lump sum cost of the press (with accessories) if you want to include that also.. Itís good for rifle, pistol, and shot shell. Some of you may find it useful if only to play around with.
http://10xshooters.com/calculators/Shot ... adingCost/
It's set out for shotgun reloading but can work for any reloading.