BMR doesnt account for daily activity, literally just energy required to sustain life. TDEE factors in BMR, TEF and energy expended via muscle contraction

e: also TDEE stands for total daily energy expenditure

e2: also i did the calculation with the stats you gave at 3x exercise per week and the closest value i got was the one that is labelled "extreme fat loss" which already accounts for a 1000kcal energy deficit from your TDEE. your energy requirement estimate was the top number (2924), which is what you were supposed to subtract 500 from. you essentially set up a 1500 kcal deficit instead of a 500kcal deficit for yourself. these numbers are all still fairly inaccurate because of the non-differentiation between fat and fat free mass

This post was edited by cloudkicker on Jul 28 2014 06:53pm

O god, then I should be eating way more....
Does it matter then I am maintaining this diet pretty well and actually feel okay?

its not ideal for performance and you tend to lose more muscle mass along with fat mass with greater deficits so its up to you. its not usually that bad for people with a LOT of excess body fat but as you trim down you should reduce your deficit to continue weight loss in order to preserve muscle mass

My original plan was to lose 60 lbs, so go to 200lb, then start lifting. I suppose I will continue my diet as is for now, then at that time start consuming more calories.

i wouldnt be eating at a 1500kcal deficit if i were you, you could probably up by 500kcal too and your weightloss would still continue at a slower rate. its better in the long run