Aggie Turf has a topdressing calculator that is now available on line. This is a great tool. Many times our customers with a topdresser will call in wanting to know how much material they need to spread. We have a simple calculator that works well but this format takes into consideration all data for the exact job and calculates an answer for you. You can find the calculator at the following site: http://aggieturf.tamu.edu/aggieturf2/calculator/topdress-sheet.html
Earth & Turf is always on the look out for tools that will make topdressing easier for our customers.