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To determine how much paint you need, use our handy paint calculator to plug in the dimensions of your painting project. Another option is to measure your coverage area by taking the wall length times its height and subtracting any windows, doors, or other unpaintable areas. 

It’ll take anywhere from six to 10 hours to paint a single room. It depends heavily on the experience of the person doing the job. Pros can get it done in a few hours, while a DIY-er may likely take two to three times as long.

Most homeowners and pros use latex paint indoors—whether that’s latex enamel or acrylic latex—since it dries quicker than oil-based paint and is easy to clean if you make any mistakes. However, for cabinets, window trims, and doors, some opt for oil-based paint for a smoother surface. 

Yes, you can paint the inside of your house in the winter. There are even some benefits to doing so. Because there’s less humidity, you can expect a faster dry time, and because it’s off-season, you may find that painters have more availability.

You still need to ventilate your home to help the paint dry and keep everyone safe from paint fumes. If it’s too cold to open your windows, opt for fans, dehumidifiers, and paint with low or no volatile organic compounds (VOC).