Construction & Home

Construction calculators save you time and money by estimating materials, dimensions, and costs before you start a project. Whether you are a contractor bidding a job or a homeowner planning a weekend renovation, accurate estimates prevent costly overruns.

Softzar covers common construction math: concrete volume for slabs and footings, roofing squares and shingle bundles, paint coverage for rooms, flooring area and waste, tile quantities with grout estimates, and more. Each tool accounts for standard waste factors and material specifications.

All calculations run in your browser with no sign-up required.

Choose the construction calculator for your project type. Enter your project dimensions — length, width, depth, or area — and select your material preferences. The calculator adjusts for waste factors and material-specific coverage rates automatically.