Practical construction calculators, guides, and helpful resources for estimating materials, measurements, project costs, and quantities. Find simple tools and information for concrete, gravel, lumber, roofing, and other construction projects.
A roof pitch chart tells you how steep a roof is, expressed as the number of inches it rises for every 12 inches of horizontal run. A “6/12” roof rises 6 inches for every foot it runs, a “12/12” roof rises at a full 45-degree angle, and so on. This roof pitch chart below converts … Read more
A board foot is a volume of wood equal to 144 cubic inches, a piece 12 inches long, 12 inches wide, and 1 inch thick. It’s the unit hardwood and rough lumber are bought and sold in, so knowing how to calculate board feet is how you check a lumber quote, price a project, or … Read more
Planning a DIY concrete slab? Getting the bag count right before you start mixing is the difference between a smooth pour and a mid-pour scramble. Come up short, and you risk a “cold joint,” a weak seam where fresh concrete bonds against concrete that has already begun to set. Buy too much, and you’re stuck … Read more