I use this Wilton chart to figure my servings and estimate how much batter I'll need when baking (it varies slightly depending on your recipe). Also, I use Wedding servings for all of my quotes (the smaller serving size). It's below...
Update: I still use the Wilton chart for amount of cake batter (although I mostly have it memorized for common sizes), but now I use the Cake Stapper app almost exclusively for number of servings! It's amazing and it's on my phone 🙂 Download the Cake Stacker app from Amazon here or read more about it here.
