How do you estimate a house painting job?

By the square footage.How do you estimate a house painting job?
with a calculator... width x length minus windows plus 10%... works everytimeHow do you estimate a house painting job?
This may help read second entry:





http://davesgarden.com/community/forums/鈥?/a>
try to figure out how many square feet the house is.and how long it will possibly take to paint it allways add a couple extra hours in case you run into some thing.if your supplying the paint ask your paint store to figure how many gallons of paint or even you can cuz a gallon will do any where from 300 to 400 square feet. add couple extra in case it soaks in a lot or you spill. than if your gonna prime it first figure how many of those you will need. add all that in even try to figure the tax.when we did it we would have them purchase supplys in case it took more than expected.saves you..figure how much you want an hour how many hours you feel it would take and thats your estimatte.allways put little extra time just to be on the save side. it all depends to if your pressure washing it and how long that would take. good luck