Construction Calc — Support

Construction Calc is a feet-inch-fraction calculator with built-in trade tools — stairs, rafters / roof pitch, area & volume, and unit conversion — for framers, carpenters, remodelers, and DIYers. It has no accounts, no network features, and collects no data.

Quick tips

• Enter a number, then tap its unit — type 7 then Feet for 7′. Type inches and tap Inch; tap / to add a fraction.
• Tape keeps a running history of your “=” results.
• Tools opens stairs, rafter, area, and unit convert.

Contact

Questions, bugs, or feedback? Email sksviking@gmail.com and we’ll get back to you.

Last updated 2026-06-08