You will need
This assumes 3 full coats of paint plus 2 coats at the waterline. Unless:
ZO HP: This assumes 2 full coats of paint plus 3 coats at the waterline.
EP-Prime 1000: This assumes 2 full coats of primer.
EP-Prime 2000: This assumes 1 full coats of primer (1 coat, 2 pass painting technique)
This calculation is an estimate based only on overall length and beam of your boat; the actual amount of surface area may be slightly different depending unforeseen factors such as hull design, loss of product during the application, etc.