Construction Calculator vs Pipe Rack Designer

Build faster, measure smarter. Pro² is a complete construction calculator for decking, roofing, concrete, stairs, framing and precise on-site measurements. It’s made for builders, carpenters, contractors and serious DIY who need accurate answers in seconds. DECKING & FLOORING • Area, board runs, spacing and waste allowance • Material takeoff for boards and joists ROOFING (METAL & TILE) • Coverage and sheet/tile counts • Overhangs, pitch, angle and rafter length helpers STAIRS & STRINGERS • Rise/run, slope %, angle (°) and stringer length • Clear breakdowns and step-by-step visuals BALUSTERS, RAILING & EVEN SPACING • Perfect marks from 0 to full length • Spacing tables for clean, consistent layouts CONCRETE, ASPHALT, GRAVEL & SOIL • Volume estimators for slabs, pads, footings and fills • Smart rounding for real-world quantities SLOPE, PITCH & ANGLES • Fast framing helpers for cuts and layout • Metric and imperial support in every tool UNIT CONVERTER • Length, area, volume, density and weight • Built for mixed-unit jobs (mm, ft, inches) QUICK CALCULATOR • Running history with one-tap copy/share MADE FOR THE JOBSITE • Fraction support and practical defaults • Works fully offline—no signal required • Clean visuals that stay readable outdoors WHY PROS USE PRO² • One app instead of juggling multiple separate tools • Accurate results, simple inputs and clear diagrams • New tools and improvements arrive regularly based on user feedback Pro² is built for professional construction, carpentry, decking, roofing and framing work—yet intuitive enough for DIY home projects. Upgrade to unlock additional tools and advanced features when you’re ready to grow your toolkit. SUBSCRIPTION TERMS • Carpenter Pro is an optional auto-renewing subscription with Weekly and Annual plans. • A 3-day free trial is available on the Annual plan. • Payment is charged to your Apple ID and subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. • You can manage or cancel your subscription in your App Store account settings. • Lifetime is a one-time purchase and does not auto-renew. • The localized price is shown in-app before you confirm. Terms of Use (Apple EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shapkin.dev/apps/carpenter/privacy.html

Design shelves, racks and frames from single steel pipe — then get the exact cut list and every fitting you need to build it. Enter width, depth, height and the number of shelves. Pipe Rack Designer instantly builds the structure and hands you a parts list you can take straight to the hardware store: pipes grouped by length and count, joints grouped by shape and count. SEE IT IN 3D • A live 3D model of your rack. Drag to rotate, pinch to zoom, tap to add or select a shelf. • Tap a shelf to move it up or down, or turn any of its four sides on and off — so you can build open-front designs like a firewood rack. • Open the model full screen to check the structure from every angle. TWO WAYS TO JOIN, COUNTED CORRECTLY • Clamp type: pipes are never drilled through — full-length pipes are laid alongside each other and held with right-angle and swivel clamps. Overhang and end caps are counted. • Screw-joint type: pipes slot into cast joints. Choose which member runs through (posts or beams); the others are split, and the split lengths and counts appear in your parts list. • Corner fittings are chosen by their real shape — L, T, 3-way corner, 4-way and 5-way — not lumped into one. BUILT FOR REAL BUILDS • Standard 48.6 mm single pipe • Base plates for free-standing legs, saddle bands and rafter clamps for shelf boards, end caps for exposed ends • Sloped-roof mode: set different front and back post heights for a slanted top • Copy the whole parts list as text for your shopping trip HONEST AND OFFLINE • Works completely offline. No account, no ads, no subscription. • One-time purchase. • Your designs stay on your device. • iPhone and iPad Whether you are building storage shelving, a workbench frame, a firewood rack or a sloped-roof structure, Pipe Rack Designer turns a few measurements into a buildable pipe-and-fitting plan.