BauKalk vs Construction Calculator

BauKalk is the construction calculator for professionals and DIY builders. 20 specialized calculators with visual technical diagrams — everything you need on the job site, right on your iPhone. Works offline, metric, DIN-compliant. FREE CALCULATORS: • Concrete — Volume, mix ratio, bags (C25/30, DIN 1045-2) • Tiles — Count, waste, layout plan, cost calculator • Stairs — Rise, tread, step measure (DIN 18065) • Gravel & Aggregate — Volume and weight for 7 materials • Angle Calculator — 3-4-5 method, check square • Pool Volume — Rectangle, round and oval PRO CALCULATORS (€6.99/year or €19.99 lifetime): • Unit Converter • Rebar • Paint • Masonry • Roof • Screed • Foundation • Drywall • Patio • Electrical • Heating Load • Wallpaper • Asphalt • Wood Beam WHY BAUKALK: • Visual diagrams — See what you're building • 100% Offline — No internet needed • DIN Standards — DIN 18065, DIN 1045-2, DIN EN 1997 • PDF Export — Save and share results • Shopping List — Copy and send via WhatsApp • No Ads — Ever • Calculation History — Last 20 calculations at your fingertips • German & English — Fully bilingual BauKalk Pro: €6.99/year or €19.99 lifetime. 7-day free trial. BauKalk Pro Subscription: • Yearly: €6.99/year — auto-renews unless cancelled at least 24 hours before the end of the current period. • Lifetime: €19.99 — one-time purchase, no subscription. • 7-day free trial for the yearly subscription. • Payment is charged to your Apple ID account. Manage and cancel in your Apple ID account settings. Privacy: BauKalk does not collect any personal data. Terms of Use: https://baukalk.app/nutzungsbedingungen Privacy Policy: https://baukalk.app/datenschutz Support: pixeyo@gmail.com Web: https://baukalk.app

Construction Calculator Pro is the ultimate professional construction, carpentry, and civil engineering calculator—built specifically for general contractors, framers, finish carpenters, masonry builders, and estimators. Engineered to replace bulky handheld jobsite calculators, Construction Calculator Pro puts tactile, sunlight-readable precision right in your pocket. It works 100% offline with zero account requirements, zero cloud dependencies, and zero monthly subscriptions. ► FRACTIONAL DIMENSIONAL MATH • Add, subtract, multiply, and divide feet, inches, fractions (down to 1/64"), yards, meters, centimeters, and millimeters. • Instant unit conversions across imperial and metric dimensions with a single tap. • Visual 0–15 fraction picker for lightning-fast entry without decimal typing errors. • Continuous paperless history tape with labeled annotations. ► STAIR STRINGER & RAFTER LAYOUT (WITH CODE CHECKS) • Stair Layout: Calculate total rise, run, number of risers/treads, stringer throat cuts, and incline angle. • Built-in IRC / IBC code validation instantly flags non-compliant riser heights or tread depths. • Rafter Cuts: Calculate common rafters, hips, valleys, jacks, ridge deductions, and birdsmouth seat/plumb cuts with real-time 2D CAD diagrams. ► RUNNING TAPE & BALUSTER SPACING • Mark framing studs, joists, and baluster center-to-center layouts in a single continuous pass. • Built-in 4-inch sphere safety check ensures railings meet building code standards. ► CUT LIST & BOARD OPTIMIZER • First-Fit Decreasing (FFD) 1D bin packing optimizer minimizes scrap and lumber costs. • Automatically factors in saw blade kerf thickness so your physical cuts match your calculations. ► CIVIL & STRUCTURAL TAKEOFFS • Concrete Estimator: Slabs, footings, round columns, and curbs with custom waste factors. • Drywall & Sheathing: Sheet counts, joint compound, and screw estimates. • Brick & Block Masonry: Modular brick and CMU block counts with mortar volume. • Concrete Mix Proportions: Cement, sand, aggregate, and water weights for nominal mixes. • Rebar BBS (Bar Bending Schedule): Total length, weight, and cutting lists. • RCC Structural Elements: Beams, columns, and slabs. • Earthwork & Excavation: Trench, pit, and swimming pool volume estimations. ► INTERNATIONAL BUILDING CODES (195+ COUNTRIES) • Select your jurisdiction to automatically apply local stair rise/tread rules, baluster maximums, and safety guard regulations. ► PRIVACY & TRANSPARENCY • 100% Offline: Calculates entirely on your device. • Zero Data Collection: No tracking, no user accounts, nothing sent to external servers. • Fair Pricing: Free with non-intrusive banner ads that never block your keypad. Optional one-time $9.99 purchase removes all ads forever—no subscriptions. Support & Privacy Policy: https://chronos-labs.tech