When you are editing the recipe you can click on the Details button in the Equipment setting and that is where you compute your final volume. However that is the volume that goes into the Primary. I think it assumes that same volume will go into the bottles. I don't know of a way to compute another volume for bottling. I guess you could play with the details setting to figure the amount ready to bottle and see what it calcs for priming sugar.
__________________ Primary: In Planning! Secondary: None