Free, detailed construction calculators — built to be more useful than a five-second search result.
Search for almost any construction question today and you'll get a generic, single-input calculator that spits out one number with no context. That's not enough to actually plan a project — it doesn't tell you about waste, doesn't break down materials, and doesn't account for the real-world details that change the answer.
BuildCrunch calculators go deeper on purpose: real waste factors by project type, full material breakdowns (not just a total), and cost estimates that reflect how a job actually gets priced — not a rounded-off guess.
Every calculator on this site is built from the same formulas working contractors actually use — material coverage rates, standard waste percentages by install method, and post/board spacing pulled from real building practice, not rounded industry averages.
Each calculator has a "How It's Calculated" section that shows the actual formula in plain language, so you're never just trusting a black box. If something looks off, we want to know — estimating tools are only useful if the numbers hold up on a real jobsite.
BuildCrunch is built and maintained by a team with 12+ years of hands-on experience in new home sales and residential construction in the Dallas-Fort Worth market. We've walked hundreds of jobsites and priced hundreds of projects — these calculators exist because we got tired of tools that ignore waste factors, material overlap, and real regional pricing.
Spot a calculation that doesn't match what you're seeing on a real job? We want to hear about it — email us at go@buildcrunch.com.
Crunch the numbers before you build.