1m x 1m x 1.6 grow room

hi,im not bein lazy, im just fuck as thick at maths. i would like to know what size fan and filter i would need for this room using a 250 watt dual spectrum hps plzzz. is also nescasary to have an inlet fan also.much appreciated.

650cfm bathroom fart fan

i see your full of wind and heat aswell son.lol