Our custom whiteboards begin at just 18 by 24 inches, a small yet convenient size when you have limited space. Our largest boards measure an incredible 5 by 16 feet, making them perfect for factories, large offices and college classrooms. We also carry some of the more popular medium sizes, including 4 by 8 feet and 4 by 16 feet. Search through all our size options to find a match for you needs.