Feet, inches and fractions
Type measurements the way you read them off the tape, exact to 1/64 inch, with metric too. Tap any number in the sum to fix it.
Coming soon to iPhone and iPad
Every measurement,
worked out.
Construction Calculator
Construction Calculator works out feet, inches and fractions, metric, concrete, roofs, stairs and square footage on your iPhone or iPad, keeps every answer on a tape and saves results by job.
Help & supportConcrete, roofs and stairs
Slabs, footings and bags; rafters and roofing; risers, treads and stringers, with a US residential stair check.
Square footage and conversions
Add up rectangles, triangles and circles with waste and cost, and convert length, area, volume, weight and slope.
Saved by job
Keep results in named jobs, reopen and change them, and share a job as text or PDF.
Your jobs stay on your device.
Calculations, the tape and your jobs are kept on your iPhone or iPad and are never uploaded. There is no account to create. Share a job as text or PDF whenever you choose.
Answers are estimates for planning. Check your measurements and your local building code before you cut, pour or order.
Full access is a weekly subscription or a one-time lifetime purchase. Current prices are shown in the app before you buy. The app is preparing for release and is not yet available to download.