Contractor Calculator

Jobsite measurements, clear material quantities and saved project estimates—with every step explained.

ConcretePaintDeckingStairs

Download on the App Store

Show the math.

Contractor Calculator helps contractors, carpenters, remodelers and hands-on builders plan materials without a signal. Enter dimensions, add waste and review exactly how the result was calculated.

Estimates are for planning only and do not replace site verification, engineering or building-code review.