For a rough estimate, use this -
http://www.bmi-calculator.net/bmr-calculator/
then this -
http://www.bmi-calculator.net/bmr-ca...dict-equation/
For example,
My BMR is 1586.28
I exercise hard for 1-3 days a week, so I'd say I'd multiply mine by about 1.4
1.4 x 1586.28 = 2220.79
That is my maintence intake, if I wanted to put on a pound a week (3500 calories = 1 pound) I'd up my intake to 2700 seeing as 500 a day multiplied by 7 = 3500.
Limit your fat so the pound you go up in isnt all fat, you can clean or dirty bulk. I prefer clean, try to keep your daily fat intake under 35g for a clean bulk.