The genuine answer is “it depends” on the paint or coating. In many instances there is no such thing as one-coat coverage. Multiple coats may be required to insure durability depending on the project. On the exterior quality acrylic latex paint including primers often achieve the best single coat coverage. If a wall is prepped correctly it will most likely won’t need a covering primer. This interior paint calculator helps take some guessing out of the game. Topcoat Colors can help you choose colors, color match, and invest in durable coatings to save time and money.
How much paint will you need?
Paint Calculator