Painting Job Estimator _10 is for pricing up to ten rooms at one time. Enter room length, width and height to calculate square footage, perimeter and wall area. Just select what you are painting in the room and you get the price. Displays detailed pricing information for each room. Creates estimate automatically. It also calculates how much paint and or wallpaper you need to do the job. Paint Job Estimator allows you to accurately bid on a painting project. You can also save your estimates to a file on your SD card or email to yourself or customer.