Painting Your Boat - How Much Paint Do I Need? Antifouling Paint Determining how much antifouling boat paint you will need is fairly simple. Here are two quick guides to help you purchase the correct amount: 1) Calculate the area needing paint. For a rough estimate of the area to be painted, multiply the length of your hull (LOA) by the beam and multiply by 0.85 (LOA x B x 0.85 = Area). Then divide the area by the coverage of the paint you have chosen to determine how many quarts per coat you will need, or 2) Refer to the reference chart below for a quick estimate of how much antifouling paint is required for two coats: Topside Paint Determining how much paint you will need is fairly simple. To determine how much topside paint you will need, refer to the reference chart below: #Application Instructions #DIY #Paint
