The fast carpenter calculator for real site work
ChippyCal is built for real jobs — fast metric & imperial conversions, run/rise calculations, framing layouts, and cut lists.
Coming Soon
Core Features
Instant Metric ↔ Imperial
Switch between mm and feet/inches instantly with proper fractions.
Run / Rise / Diagonal
Quickly calculate diagonals for roofs, stairs, and framing.
Stud Mode
Work out stud layouts, noggins, and cut lists without doing it in your head.
Why ChippyCal
Built by a carpenter, for carpenters. No clutter, no confusing menus — just the tools you actually use on site.
Coming soon to the App Store
ChippyCal is currently in testing. Full release coming soon.