Construction Calculators

Free professional-grade tools for contractors, carpenters & DIY builders. Each calculator includes detailed how-to guides, material estimates & code references.

Construction Estimating Made Simple

Whether you're framing a house, pouring a patio, or hanging drywall, accurate material estimates save time and money. Our construction calculators cover the most common trade calculations — from board feet for lumber orders to concrete volume for slabs and footings. Each tool is paired with a comprehensive guide explaining the math, the building code requirements, and the practical tips that pros use on the job site.

Use these calculators for: material takeoffs, cost estimates, bid preparation, or DIY project planning. No sign-up, no fees — instant results updated as you type.