Construction Calculator

Construction Calculator is an offline construction calculator for people who build things: concrete calculator, rebar calculator, brick, tile, steel, scaffold and pipe volume - with a material estimator and cost estimator that work with no signal.

No account. No signup. The app works anywhere - a job site, a basement, a rooftop - and it never sells your data because it never needs the network.

WHAT YOU CAN DO

- Concrete calculator: slabs, footings, columns and walls - bags, volume, cost.

- Rebar calculator: footings, beams and ties - steel weight and volume in one tap.

- Brick, tile, beam, column, roofing, scaffold, excavation, asphalt and pipe volume calculators.

- Unit converter: metric and imperial, plus construction units. Use this unit converter offline on the job.

- The material estimator and cost estimator build as you work.

- Save projects and reopen them anytime.

- Export a clean, print-ready PDF or structured Excel file.

MADE FOR THE FIELD

- This construction calculator works offline on site - even with no signal.

- Big numbers and large buttons, readable in daylight and on the move.

- Smart defaults and quick presets to cut your typing.

- Dark mode for evening planning.

- Every result can be copied or shared in one tap.

FREE, WITH A PRO OPTION

- All calculators are fully free. No paywall in the middle of a calculation.

- The free version shows a small banner ad; Pro removes it for good.

- Pro also removes the limits on saved projects and unlocks branded PDF export and full-project Excel export.

- Pro is a one-time or yearly purchase - your choice.

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