Concreto: Concrete Calculator

Concreto is the concrete calculator built for working contractors. Seventeen calculators, contractor-grade math, branded estimates ready to send. Estimate every common pour from your phone — slabs, footings, columns, sonotubes, walls, stairs, curbs, post holes, driveways, retaining walls — plus block walls, block fill, mortar, rebar grids, wire mesh, gravel, sand, crushed stone, asphalt and on-site mix ratios. WHAT YOU GET (FREE) - 17 calculators across pours, masonry, reinforcement, aggregate, paving and mix - Imperial and metric units, instant switching - Run jobs in English or Spanish — app follows your device language, PDFs export in either - Volume in cubic yards or cubic meters, bag counts (60 lb / 80 lb), truck loads, weight - Adjustable waste factor on every calculation - Optional price per cubic yard for quick cost estimates - Show-your-work breakdown on every result: formula, inputs, step-by-step math, citation - Light and dark mode, no ads, fully offline WHAT PRO ADDS - Save unlimited jobs by name and client, with notes - Attach photos to any job, synced across devices - Branded PDF estimates with your company name and logo - Advanced cost breakdown: bag-brand pricing, labor, delivery, overhead, margin - Job site address, line items, taxable rows, deposit, payment terms, signature block - Cloud sync via Supabase, magic-link sign in, works offline and catches up later CALCULATORS INCLUDED Concrete Pours: Slab, Footing, Column, Tube/Sonotube, Poured Wall, Stairs, Curb, Post Hole, Driveway, Retaining Wall Masonry: Block Wall (CMU), Block Fill, Mortar Reinforcement: Rebar grid + wire mesh Aggregate: Gravel, Sand, Crushed Stone in tons Paving and Mix: Asphalt tonnage, Concrete Mix ratios with cement, sand, aggregate, water BUILT FOR THE FIELD - Concrete is poured where signal drops. Concreto runs fully offline. Pro syncs when you reconnect. - Carhartt-modern look: warm cream, deep navy, serif numbers. No SaaS dashboard clutter. - Every result includes a persistent disclaimer line. Estimates support planning, not engineering deliverables. Always verify with your supplier or engineer before ordering. PRICING - Free forever for the calculator core - Pro Annual: 7-day free trial, then USD 19.99 per year - Pro Monthly: USD 2.99 per month, cancel anytime - Subscription auto-renews until cancelled. Manage in Settings, Apple ID, Subscriptions. PRIVACY - Free users generate zero account data - Pro user jobs and photos live in your own Supabase row, protected by row-level security - No ad networks, no third-party tracking, anonymous aggregate analytics only QUESTIONS hello@concretoapp.com TERMS OF USE https://concretoapp.com/terms PRIVACY POLICY https://concretoapp.com/privacy