Arc & Arch Layout Calculator
iOS app by Vladislav Zhirnov. Utilities · Vladislav Zhirnov
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- 1.99 USD
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-06
View the original store listing
Store description excerpt
Arc & Arch Layout Calculator is the precision toolkit every carpenter, joiner, mason, stonemason, builder and DIY enthusiast needs to lay out perfect arches and curves on any job — without complex trigonometry and without ever pulling string from a nail. TWO PROFESSIONAL CALCULATORS IN ONE APP Large Arc Layout Set out a large-radius arc inside any confined space — an opening, a wall, a panel or a curved trim run. Enter the chord width plus either the rise (height) or radius and instantly see: • Sweep angle, arc length, slice and full-circle area • Inside arc mark-out — heights every increment from chord centre out • Outside arc mark-out with optional outer offset • An interactive set-out diagram you can pinch to zoom and drag to pan • A printable template with automatic A4, Letter, A3, A2 and A1 page-fit guidance • A bonus calculator that derives width, height, length and area from radius and sweep angle Gothic Arch Layout Design true masonry arches with mathematical precision. Choose equilateral, lancet or drop arches — the app classifies them automatically — and instantly receive every dimension you need: • Inner and outer radius, inner and outer height • Triangle chord and triangle drop for the gothic set-out • Intrados and extrados arc lengths • Setout mark-out heights from centre out • Voussoirs: full unit count per side, inner and outer arc per voussoir, plus a dedicated keystone diagram • Optional full-scale keystone and voussoir templates ready to print EVERY MEASUREMENT, METRIC OR IMPERIAL Every input switches instantly between Metric (mm) and Imperial (feet, inches and 1/16 to 15/16 fractions). Imperial inputs use clean three-wheel pickers — feet, inches, fraction — so a 6 ft 3 1/2 in chord takes seconds. INTERACTIVE DIAGRAMS YOU CAN ACTUALLY READ Every calculation is paired with a crisp, vector-quality diagram. Pinch to zoom, drag to pan, double-tap to fit, and use the live measure tool to read distances off the drawing. EXPORT TO PDF FOR THE WORKSHOP One tap exports a complete multi-page PDF: a tidy summary page with all your inputs and results, followed by every diagram on its own page — perfect for printing the template at full scale or sharing with the team. NATIVE iOS DESIGN • Built with SwiftUI for iPhone and iPad • Works completely offline • Saves your last inputs automatically • No accounts, no subscriptions, no ads • Respects Dynamic Type and Dark Mode Stop guessing. Calculate, lay out, print and build — accurately, every time.
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