📐 The ultimate construction calculator and layout tool for professional carpentry, framing, and concrete work.

Built for the job site, Squared Pro eliminates the guesswork, speeds up your layouts, and prevents costly material waste. Whether you are squaring up footings, calculating roof rafters, or studying for your trade exams, everything you need is right in your toolbelt.

⚡ CORE CALCULATORS & ESTIMATORS:

🪜 Stairs & Stringers: Instantly calculate structural and drop stair layouts, precise riser/tread counts, and seat widths.

🏠 Roof Rafters & Rake Walls: Dial in pitch, ridge allowances, seat cuts, and overhangs for perfect roof framing and rake wall studs.

🪵 Advanced Wall & Joist Framing: Calculate on-center spacing, structural header loads, and generate full material lists including OSB/ZIP sheathing, drywall, and insulation.

🔨 Deck Builder: Plan deck surfaces, joist spans, beam plies, cantilevers, and post heights seamlessly.

🚛 Concrete & Sonotube Master: Estimate exact slab volumes, cylindrical sonotubes, and block walls. Get precise decimal truck loads and exact-cut rebar yields to eliminate over-ordering.

🧱 Siding & Tile Layouts: Calculate exact siding overlaps, board widths, and tile/grout room dimensions for flawless finishing.

📐 Triangle Solver & Squaring: Check corner layouts and calculate diagonals instantly so your footings and frames are perfectly square.

🧮 Construction Math Engine: A robust dimensional calculator designed to add, subtract, multiply, and divide feet, inches, fractions, and metrics without formatting errors.

📚 CODE HUB & RED SEAL PREP:

📖 22-Category Building Code Hub: Instant lookups for prescriptive residential building codes. Check footing depths, framing tolerances, and energy rules without digging through massive PDF manuals.

🍁 Red Seal Carpentry Prep: Built-in interactive flashcards and study tools designed specifically to help apprentices master trade math and crush their exams.

🛠️ BUILT FOR THE JOBSITE:

👆 Interactive Reference Chart: No more typing with dirty gloves! Open the live fraction/decimal chart and tap any measurement (e.g., 5/8" | 0.625) to auto-populate your active calculator.

💾 Auto-Save Memory: Close the app and jump right back in. All your specific tool inputs and custom fractions are saved locally until you hit "Reset All Data".

☀️ High-Contrast UI: Optimized for outdoor readability. Toggle between crisp Dark Mode and high-visibility Light Mode to combat dust, glare, and harsh sunlight.

🔄 Dual-Unit Flexibility: Switch the entire app layout between Imperial (Feet/Inches/Fractions) and Metric with a single tap.

🚀 No Clutter, Just Speed: Say goodbye to generic calculator apps packed with useless buttons and intrusive ads. Get in, find your specific tool, get your numbers, and get back to building.

STOP GUESSING ON YOUR LAYOUTS!
🪚 Work Faster.
📐 Cut Accurately.
🛡️ Build with Absolute Confidence.