We have just added a new Rock Calculator to our website. So go to any of our product pages, and on the right menu bar is the calculator for the rock on that page.  Just add the length (Ft), width (Ft), and height (inches) and it will tell you how many tons of rock you need for that area. So if you have a area that you want to fill in with rock, and you live in Utah. Go to our website and find the decorative rock that you are looking for, and click on the rock page and find the calculator. This is perfect for people that live in Salt Lake City, Utah, and they want to find our how much rock they need for a rock project.