Built by a contractor, for contractors. No signup, no paywall, no BS. Just pick a calculator and get your numbers.
Calculate bags, yards, or meters of concrete for slabs, footings, and columns. Includes waste factor.
Calculate →Estimate posts, rails, pickets, and concrete for any fence project. Supports multiple fence styles.
Calculate →Figure out how many bundles of shingles you need. Handles pitch, waste, and dormers.
Calculate →Estimate gallons of paint needed for walls, ceilings, and trim. Includes doors and windows.
Calculate →Calculate cubic yards or bags of mulch for garden beds and landscaping projects.
Calculate →Calculate how much dry concrete mix you need for your project using the dry-pour method.
Calculate →Estimate cubic yards, tons, or bags of gravel for driveways, pathways, and drainage projects.
Calculate →Calculate deck boards, joists, and footings for your deck project. Includes spacing and waste.
Calculate →Calculate R-value, inches, rolls, bags, or sheets of insulation for any area. Supports fiberglass, cellulose, and spray foam.
Calculate →BuildCalc Hub is a free collection of construction calculators built by a contractor who got tired of Googling "how much concrete do I need" every time a new project started. Every calculator is designed to be dead simple — enter your dimensions, get your numbers, and get back to work. No signup, no paywall, no ads blocking the answer.
More calculators are on the way. Have a request? Drop us a line.