check this out!
make sure that your java is running and updated...
very nifty calculator for planning diet and exercise to reach goals.
from the national institute of health!

LBM: Body Weight Simulator

no 'weight lifting' or 'resistace exercise' field code, however...
i just added 'moderate running' for the time i am in the gym, as i superset everything except for deadlifts, basically... and even those if i go lighter than possible...