--- product_id: 51804280 title: "4050 Construction Master 5 Construction Metric and Imperial Calculator for Contractors, Estimators, Builders and Carpenters,Black" brand: "calculated industries" price: "€ 107.07" currency: EUR in_stock: true category: "Calculated Industries" url: https://www.desertcart.it/products/51804280-4050-construction-master-5-construction-metric-and-imperial-calculator-contractors store_origin: IT region: Italy --- # Dual Metric & Imperial units Advanced angle & layout solutions Time-saving built-in functions 4050 Construction Master 5 Construction Metric and Imperial Calculator for Contractors, Estimators, Builders and Carpenters,Black **Brand:** calculated industries **Price:** € 107.07 **Availability:** ✅ In Stock ## Summary > 📐 Build smarter, not harder — your ultimate construction sidekick! ## Quick Answers - **What is this?** 4050 Construction Master 5 Construction Metric and Imperial Calculator for Contractors, Estimators, Builders and Carpenters,Black by calculated industries - **How much does it cost?** € 107.07 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/51804280-4050-construction-master-5-construction-metric-and-imperial-calculator-contractors) ## Best For - calculated industries enthusiasts ## Why This Product - Trusted calculated industries brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted & Tested:** Backed by a 4.5-star rating and a one-year warranty, this calculator pays for itself daily. - • **Cut Costs, Not Corners:** Integrated material estimators prevent waste on roofing, drywall, concrete, and lumber projects. - • **Pocket-Sized Powerhouse:** Compact, durable design with protective slide cover and long-life batteries keeps you ready on-site. - • **Master Every Measurement:** Seamlessly switch between meters, feet, inches, and yards for flawless dimensional accuracy. - • **Built for Builders, Loved by Pros:** Specialized functions for rafters, stairs, slopes, and arches streamline complex calculations instantly. ## Overview The Calculated Industries 4050 Construction Master 5 is a professional-grade calculator designed for contractors, estimators, builders, and carpenters. It offers quick, accurate conversions and calculations in both metric and imperial units, with specialized functions for angles, stairs, roofing, and material estimates. Compact and durable, it includes a protective cover, long-life batteries, and a one-year warranty, making it an indispensable tool that reduces errors and saves time on every project. ## Description Calculated Industries 4050 Construction Master 5 Construction Metric and Imperial Calculator for Contractors, Estimators, Builders and Carpenters,Black : desertcart.co.uk: Stationery & Office Supplies ## Features - SOLVE ALL YOUR DIMENSIONAL MATH quickly and accurately with the calculator's powerful built-in solutions for completing layouts, plans, bids, estimates and more, directly in Metric or Imperial units - LETS YOU EFFORTLESSLY WORK IN AND CONVERT between all common building dimension formats; Meters, milimetres, centimetres, feet-inch-fractions, decimal feet-inches, and yards including area and volume - TIME-SAVING BUILT-IN FUNCTIONS for right angles give you instant solutions for square-ups, rafters (hip, valley, jacks), rake-walls, slopes, angles and more. Plus complete stair layout, advanced solutions for arcs, arches, circles, columns and more - "PREVENTS COSTLY MATERIAL WASTE with built-in solutions for roofing, drywall, studs, blocks, concrete footings and board-feet lumber estimating. Find volumes for concrete driveways, columns and more. Arched rake-walls with on-center spacing in ascending or descending order" - INVALUABLE' TOOL PAYS FOR ITSELF DAILY by reducing headaches, saving time and preventing expensive material errors on all your projects, from the office to the field. Comes with a protective plastic slide cover, pocket reference guides in English and Spanish, two LR44 long-life batteries and a full one-year limited warranty ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0008GO6A6 | | Best Sellers Rank | 163,716 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 64 in Financial & Business Calculators | | Brand Name | Calculated Industries | | Calculator Type | Engineering/Scientific | | Colour | Black | | Country of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (216) | | Display Type | LCD | | Enclosure Material | Plastic | | Item Weight | 0.17 Kilograms | | Manufacturer | Calculated Industries | | Manufacturer Part Number | 4050 | | Model Name | Construction Master 5 | | Model Number | 4050 | | Number of Batteries | 2 LR44 batteries required. (included) | | Power Source | Battery Powered | | Product Warranty | One year warranty | | Screen Size | 2.5 Inches | | UPC | 098584040505 791836793418 733353054665 767674984707 | ## Product Details - **Brand:** Calculated Industries - **Calculator Type:** Engineering/Scientific - **Colour:** Black - **Display type:** LCD - **Material:** Plastic - **Model name:** Construction Master 5 - **Number of batteries:** 2 LR44 batteries required. (included) - **Power source:** Battery Powered - **Screen size:** 2.5 Inches - **UPC:** 098584040505 791836793418 733353054665 767674984707 ## Images ![4050 Construction Master 5 Construction Metric and Imperial Calculator for Contractors, Estimators, Builders and Carpenters,Black - Image 1](https://m.media-amazon.com/images/I/715GOBDpX9L.jpg) ## Questions & Answers **Q: Can this calculate the forms for a concrete stairs** A: Yes it's the same as normal timber stairs just add the width of the stairs to you calculation. ## Frequently Bought Together - Calculated Industries 4050 Construction Master 5 Construction Metric and Imperial Calculator for Contractors, Estimators, Builders and Carpenters,Black - Calculated Industries 2140 Construction Master Pro Workbook and Study Guide | 4 Comprehensive Sections | Site Development | Footings, Slabs, Walls | Framing | Finishing |Practice Problems, Answers - Barnwell Pair of Brass Stair Gauges for Framing Carpenters Square --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/51804280-4050-construction-master-5-construction-metric-and-imperial-calculator-contractors](https://www.desertcart.it/products/51804280-4050-construction-master-5-construction-metric-and-imperial-calculator-contractors) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-05-14*