Its different for everyone, trial and error is probably the only way to find out your calorie needs for bulking. I started on 3200 and now on 4000 cals.
Current (Goals) - HB squat:117.5 kg x 3(140 kg) Bench: 100kg (110 kg) High Pull: 85 kg (100 kg)
BTNP: 50 kg x 5 (60 kg x 5)
"Take the risk of thinking for yourself, much more happiness, truth, beauty, and wisdom will come to you that way."
- Christopher Hitchens