ConstructionCalc: Builder Pro

Construction Calcs is the construction calculator for the math a US job site actually runs on: feet, inches and sixteenths.

FEET INCH FRACTION CALCULATOR
Every number on a plan looks like 12' 7 3/8". Add it, subtract it, multiply and divide it by a scalar, and read the answer back as a mixed fraction the way a tape measure reads. Round to the nearest sixteenth or eighth. No decimal conversion in your head, no dropped fraction, no re-cut.

UNIT CONVERTER
Feet and inches to decimal feet, to inches, to millimeters and meters, and back again. Plans in metric, tape in imperial, one tap between them.

CONCRETE SLAB CALCULATOR
Cubic yards for a slab from real feet-inch dimensions, with a waste factor you can see and change, so the ready-mix order is right the first time.

BUILT FOR THE JOB SITE
- Runs entirely on the device. No signal needed, no account
- Nothing you type is sent anywhere
- Big keys and an answer you can read in daylight, one-handed
- Every answer has a copy button, because the answer's next stop is a text message
- One small banner sits on the home screen and never on a calculator. Pro removes it

FREE AND PRO
The free calculators are free forever, and there is no limit on how much you calculate. Pro unlocks the answers on the estimating calculators, keeps your jobs and projects saved between visits, and takes the banner away.

WHO IT IS FOR
Carpenters, framers, concrete finishers, remodelers, handymen, estimators and serious DIY builders. Anyone who measures in feet and inches and gets paid for being right.

MORE CALCULATORS ARE IN BUILD
Next on the roadmap: tape fraction rounding, equal spacing, diagonal and square check, concrete bags, footings, columns, rebar grids, block walls, stud and plate counts, on-center layout, roof pitch, common rafters, roof area, stair and stringer layout, drywall sheets, paint coverage, gravel, and markup versus margin. Subscribe for what ships today, not for what is coming.

ESTIMATING AID ONLY
Construction Calcs is a calculator, not a code authority. Always verify against your local code and the approved plans.