Construction Calculator & Cost
ZeroPlay Ltd. · Productivity
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Chart standing · US
What changed · US
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Average rating · ★ 4.67 now · 2 changes on record
In-app purchases · US
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About
Construction Calculator brings 16 jobsite calculators into one offline app — built for contractors, framers, masons, roofers, tile setters, drywallers, painters and serious DIYers. Toggle between metric and imperial units, see the formula behind every result, and keep your numbers on-device. Calculators included: Concrete and earthwork • Concrete — slabs, columns and cylinders. Volume plus cement bags, sand and gravel by mix ratio (general, strong or light). • Footing — strip and pad foundations with a dry-batch coefficient for material purchasing. • Gravel and fill — volume and weight for gravel, sand, crushed stone and topsoil. Framing and structure • Wood / lumber — board feet for 2×4 through 6×6 (or custom dimensions) with wastage. • Rebar — bar count, total length and weight for one-way or two-way slabs. ASTM A615 sizes #3 through #8. • Stair — riser count, riser height, tread depth, stringer length and angle using the 7-11 rule. • Roof — gable or hip roof area, pitch angle and common rafter length. Walls and finishing • Brick — brick count and mortar volume for any wall, with wastage. • Drywall — sheets, joint compound and joint tape for 4×8 or 4×12 panels. • Tile — tile count with gap spacing and waste percentage, with 5 size presets. • Paint — paint volume and cans for multi-wall rooms, with door and window deductions. • Insulation — roll count by R-value (R-11, R-13, R-19, R-30, R-38) and roll size. General math • Area — rectangle, triangle, circle and trapezoid. • Volume — rectangular box, cylinder and sphere. • Feet and inches — add, subtract, multiply and divide imperial measurements with 1/16-inch fractions. • Unit converter — 31 units across length, area, volume, weight and temperature. How it works • One-tap metric / imperial toggle applies to every calculator. • Every result shows its formula, so you can check the work. • Isometric 3D diagrams help you visualise dimensions before you cut. • Calculation history is stored on your device (up to 100 entries). • Enter your own unit prices once and get a material cost on every calculation. • 34 languages built in. • Works fully offline. No account, no sign-in. Terms of Use: https://zeroplay.io/docs/legal/terms-of-service Privacy Policy: https://zeroplay.io/docs/legal/privacy-policy
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