Construction Calculator vs Feet Inch Fractions Calculator

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

Onsite Math is a tape measure calculator for feet, inches and fractions. Add, subtract, multiply and divide job dimensions exactly, down to 1/64 inch, with metric shown alongside. FREE, NEVER LOCKED: the feet-inch-fraction calculator and unit converter. PRO offers monthly, yearly or lifetime access. No ads, no account. Works offline. CALCULATE LIKE YOU MEASURE • Add, subtract, multiply and divide feet, inches and fractions such as 7 7/8 • Choose precision from 1/2 to 1/64 inch; decimal inches and decimal feet work too • See mm, cm, m and decimal feet at the same time; area in ft² and yd², volume in ft³ and yd³ • A running tape that is kept between launches and can be saved to a job • Calculator memory: M+, M− and MR TRADE TOOLS • Stair layout: risers, treads, total run, stringer length, headroom and stairwell opening • Roof pitch, rise and run, angle and diagonal, plus common rafter length, overhang and birdsmouth cuts • Equal spacing for balusters, pickets and posts • Miter and compound crown molding angles • Board feet and repeat cuts, circle and arc, architectural and metric plan scale • Concrete (choose your bag size), drywall, tile, paint, lumber, roofing, block and rebar estimates with waste allowance, your currency and a cost per bag, sheet or piece • Fractions like 7 7/8 are accepted in every tool field BUILT AROUND REAL JOBS Save any result from any tool to a named job, keep a material takeoff and export a PDF job report with the material purchase list for your client, crew or records. Job data stays on your device. FLEXIBLE PRO ACCESS Choose a monthly or yearly auto-renewing subscription, or buy lifetime access once. Restore purchases on your other iPhone and iPad with the same Apple Account. Always verify measurements, structural requirements, codes and material specifications before ordering or cutting. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/