Offline-First Mobile Calculator for Construction Professionals
Construction Calculator is a polished, offline-first calculator for the field. It packs 14 everyday calculators — concrete, rebar, brick, tile, beam, column, roofing, steel, scaffold, excavation, asphalt, pipe, unit conversion, and paint — into one fast app. Build priced estimates, save projects, and export print-ready PDF or Excel reports, all without an internet connection.

Everything works without a connection. Calculate on the jobsite, in a tunnel, or anywhere else — your data never leaves your device.
Concrete, rebar, brick, tile, beam, column, roofing, steel weight, scaffold, excavation, asphalt, pipe volume, unit conversion, and paint.
Build priced estimate line items with unit costs and subtotals, then reuse them across saved projects.
Share clean, print-ready PDF reports or Excel sheets with clients, suppliers, and teams in a couple of taps.
Projects, estimates, and preferences are stored in a local on-device database — fast, private, and always available.
A clean Material 3 design in graphite and safety-orange, with a light theme, dark theme, and system-follow option.
14 modules covering the calculations you reach for every day on site
Field engineers and contractors waste time jumping between generic calculators, doing math by hand, and re-typing numbers into spreadsheets. Construction Calculator puts the 14 most common field calculations — plus priced estimates and PDF/Excel export — in one fast, offline-first app that works anywhere and keeps your projects on your device.
Construction Calculator is in its final phase before launch. We'll announce it here and on our social channels as soon as it's live.
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