Guides
Short, sourced guides that explain the figures our calculators use. Each one links to the calculator that does the math for your project.
GuideWhat is pea gravel?Sizes, colors, where it works and how deep to lay it.Read the guide
GuideHow much does a yard of gravel weigh?Tons per cubic yard for pea gravel, crushed stone, river rock and more.Read the guide
GuideRoof pitch chartEvery common pitch in degrees and percent, and the minimum slope for each roofing type.Read the guide