106 cals. walking to and from the gym
50 cals. warming up on the treadmill
382 cals. running for 3o minutes on the treadmill
715 cals. for one hour on the elliptical
433 cals. for 30 minutes of weights
Total: 1686 cals.
These numbers are all approximations, but I'm going with the same measurement tools I have always used.