constructioncalc
Building 200+ free construction calculators for builders and contractors
We built Construction Calculator to solve a simple problem: doing math on the job site with feet, inches, and fractions. The iOS app has a 4.7 rating with 479 reviews. Now we offer 200+ free web calculators at getconstructioncalculator.com covering stairs, concrete, roofing, framing, lumber, and unit conversions.
Joined Idea Kiln
February 25, 2026
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