RetroGlass vs IPC Plumbing Code Calculator

RetroGlass turns time into a tiny piece of living art. A neon, pixel-perfect hourglass drains grain by grain on your screen, in real time. Flip it over to start, tap to pause, and let the falling sand pull your attention back to the present. No noise. No clutter. Just a calm, glowing timer that makes minutes feel good. FEATURES - Real pixel-sand physics: every grain falls on a wall-clock-accurate timer - Flip-to-start with a satisfying, tactile turn - Tap to pause and resume, double-tap to reset - Loop mode: the glass flips and restarts forever, with a turn counter - Optional on-screen countdown - Preset durations (1, 5, 10 minutes) plus your own custom lengths - Gorgeous neon color themes and an ambient glow that reacts as it runs - Designed for iPhone and iPad PERFECT FOR - Focus sessions, Pomodoro and deep work - Studying, writing and reading sprints - Tea, coffee and cooking timers - Breathing, meditation and winding down for sleep - A beautiful ambient centerpiece on your desk RetroGlass Premium (one-time purchase, no subscription) unlocks every color theme and unlimited custom durations. Buy once, keep forever. Turn time into art. Flip the glass and breathe.

Plumbing code calculations — built for licensed plumbers, contractors, and inspectors working under the International Plumbing Code (IPC). IPC Plumbing Code Calculator puts 6 essential sizing and compliance calculators in your pocket, each one referencing the exact IPC table it's built from — so every result is defensible on an inspection. CALCULATORS • DFU Drain Sizing — Size horizontal branch and stack drains from fixture unit load (IPC Table 709.1) • Water Supply Sizing — Size supply pipes from WSFU demand (IPC Table E103.3(2)) • Vent Sizing — Size vent pipes from DFU load and developed length (IPC Table 916.1) • Trap Arm Distance — Check trap-to-vent distance compliance (IPC Table 909.1) • Grease Interceptor Sizing — Size commercial kitchen interceptors (PDI-G101 formula, IPC 1003.3.4) • Water Heater Sizing — Recommended tank size from household demand DFU Drain Sizing and Water Supply Sizing are fully free — calculate, view results, and export/share a PDF report with no restrictions. PRO — ONE-TIME PURCHASE, NO SUBSCRIPTION Unlock Vent Sizing, Trap Arm Distance, Grease Interceptor Sizing, and Water Heater Sizing, plus full PDF export for every module. Pay once, use forever — no recurring fees. BUILT FOR THE JOB SITE • Clean, fast, single-purpose calculators — no clutter • Generate professional PDF reports to share with clients or inspectors • Built-in reference tables for every module • Works offline • Available in English and Spanish IPC Plumbing Code Calculator is a reference and estimation tool. All calculations should be verified against the plumbing code edition adopted by your local jurisdiction before use in construction. Some states and municipalities adopt the Uniform Plumbing Code (UPC) or amend IPC tables locally.