Ad. 2. Estimate the amount of paint, with a gallon of primer, or base paint, covering 330 square feet and a gallon of other paint providing coverage up to 350 square feet. 1  The composition of base paint is different, which is why it covers fewer square feet per gallon. 2  Paint costs can range from $15 to $60 per gallon.igure the cost per square foot of a professional's flat fee by dividing the cost by the square footage. 1  For example, an $800 estimate for 1,500 square feet would be 800 divided by 1,500 which is equal to a 53.3 cent cost per square foot. 2  4 Edit step.
1 Since a wrist tattoo is usually done in a smaller area, plan on budgeting anywhere from $50 to as much as $225.2  However, for a reputable artist, the costs can be much higher. 3  Artists usually charge for a minimum amount especially if they have state-of-the-art facilities in the clinic. Tattoos that are done by veteran and licensed tattoo artists are usually more expensive than those done by an apprentice. 2  Plan on spending a minimum of $75 an hour. 3  A few answers on this FunAdvice.com page claimed that a small wrist tattoo was $80 while someone else paid around $150.
Instead of pricing by the hour, some tattoo artists will charge per tattoo project. but with this kind of pricing it tends to be stock flash work and even the smallest tattoo can cost you Â£30 as thatâs the lowest the tattooist may set-up for. This tends to be the minimum rate in a lot tattoo studios most places you go.