Shed Size Calculator

Not sure what size shed you need? Our shed size calculator takes out the guesswork. Simply pick the items you plan to store, and the tool will calculate the minimum storage shed size — with a bit of extra room so you can walk inside and access your items easily. With our storage shed size calculator, you’ll also see recommendations for Duramax sheds that fit your results, giving you a clear answer to “what size shed do I need?”