How much paint covers a square foot

The estimate divides the total square footage by to get 1 gallon of paint coverage per sq ft, as one gallon of paint covers approximately sq ft for one. Calculating the amount of paint you'll need for any project is simply a matter of coming up with the square footage to be covered. Paint generally covers. The typical rule-of-thumb is one gallon for about every three to four hundred square feet. However, some paint formulas and wall textures may require more.