Construction Calculator A1

Nov 11, 2026

Older Versions of Construction Calculator A1

If you are experiencing issues with the latest version of Construction Calculator A1 due to bugs or incompatibility with your device, downloading an older version can be a practical solution before the app developer fixes the problem. APKPure offers all of the older versions of Construction Calculator A1 that are compatible with various devices and Android systems. Download rollbacks of Construction Calculator A1 for Android. All downloads from APKPure are free from viruses and provide a fast, secure way to get the app version history you need.

All Versions of Construction Calculator A1

2026.11.10(2026102403)Latest
XAPK
Nov 11, 2026104.7 MBAndroid 7.0+
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What's new in the version 2026.11.10
Updated on Nov 11, 2026
NEW: Ask A1, your AI site assistant (beta). Type or speak a question and get the answer from the app's own calculators, then add it to your BOQ or a PDF.
• Free AI credits every month: 5 on the free plan, 20 with Pro, and 100 more on monthly and yearly plans. Credit packs available.
• New modules: interior, steel sheds, roofing, waterproofing, external works and demolition.
• Draw Shape measures angles. Search finds anything in the app.
• Faster answers and bug fixes.
2026.09.20(2026092001)
XAPK
Sep 28, 202680.0 MBAndroid 7.0+
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What's new in the version 2026.09.20
Updated on Sep 28, 2026
Your results now speak your region's units.

• Concrete, sand and aggregate in cubic yards or m³ — and cement in the bag you actually buy: 94 lb, 50, 40, 25 or 20 kg
• Water in gallons or litres, steel in lb or kg
• Share, PDF, Excel and your estimate now match exactly what's on screen
• Rates priced per the unit you buy in
• Fixed: UK and Australia cement costs, Canadian 10M bars, imperial weights
• Clearer, easier-to-read result tables
2026.08.30(2026083001)
XAPK
Sep 3, 202691.1 MBAndroid 7.0+
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What's new in the version 2026.08.30
Updated on Sep 3, 2026
NEW Advanced RCC: Column, Footing, Beam & Slab calculators with regional bar standards, live drawings, BBS export & PDF reports.
NEW Tile Quantity: floor, wall & skirting with layout drawings.
NEW Paint & Finishes: putty, primer, texture & paint with smart pack sizes.
Materials & Rates: one steel rate prices every rebar size & section; set your own labour rates.
Redesigned Bar Bending Schedule: hand signature, Excel & PDF export.
Plus many fixes and UI polish.
2026.08.23(2026082300)
XAPK
Aug 24, 202689.7 MBAndroid 7.0+
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What's new in the version 2026.08.23
Updated on Aug 24, 2026
NEW: Electrical Calculations — 69 calculators in one place.

• Load Calculation — size a building's load, export the sheet with your company details
• Cable sizing, voltage drop, conduit & tray fill
• Breaker, RCD and motor protection sizing
• Lighting, earthing and lightning protection
• Solar, DG sets, UPS and batteries
• Wiring point, wire and conduit estimators
• Converters: mm²/AWG/kcmil, lux/fc

Inputs now sit two per row — less scrolling. Plus region-accurate concrete grades.
2026.08.10(2026081000)
XAPK
Aug 18, 202689.1 MBAndroid 7.0+
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What's new in the version 2026.08.10
Updated on Aug 18, 2026
NEW: Formwork Sheet — plan a project's shuttering end to end.
Element schedule in, ply/props/ties/scaffold out, plus the PEAK
quantity to buy rather than the area you bill. Branded PDF + BOQ export.

NEW: Brick Size Library your own brick sizes, auto-filled across all
24 brickwork calculators, backed up and synced.

NEW: Gypsum, POP and Grid false-ceiling calculators.
2026.08.01(2026080100)
XAPK
Aug 10, 202690.9 MBAndroid 7.0+
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What's new in the version 2026.08.01
Updated on Aug 10, 2026
Now on the web too + home-screen widgets.
• Interactive diagrams on 200+ calculators — the dimension you're typing lights up
• Cloud backup & sync (Google Drive )
• Region-wise rates for 6 regions + city cost multipliers
• New Learn hub with streaks, XP and offline study
• Rebar Tools, revamped Construction Cost Calculator & BOQ projects
• Construction calculator with in-app help and full guide
• Bug fixes
2026.01.27(2026012701)
XAPK
Jan 31, 202651.1 MBAndroid 7.0+
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What's new in the version 2026.01.27
Updated on Jan 31, 2026
• New calculators: Water Tanks, Walls, Staircases, Footings, Gutters & Tubes
• Improved House Cost Calculator with quotation & branded PDF export
• Custom Calculators to create your own formulas
• Rich Notes with project folders and file attachments
• Faster construction calculations with quick-action buttons in calculator with save share option
• New Material Library for easy reference
* Pdf export option for all calculations
2025.01.01(55)
XAPK
Sep 13, 202555.7 MBAndroid 6.0+
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What's new in the version 2025.01.01
Updated on Sep 13, 2025
* Multiple language support added
* Dam & Sewage Calculations: Added capacity, flow, and tank design.
* Water Supply & Rail: New tools for demand, pump power, gradient, and braking.
* Road & Brickwork: Pavement, slope, bond types, and paver block updates.
* Excavation: One trip volume and trip count.
* Other Enhancements: BOQ sharing, sign-in, quiz, and location-based units.
2024.09.02(54)
XAPK
Jan 20, 202548.2 MBAndroid 6.0+
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What's new in the version 2024.09.02
Updated on Jan 20, 2025
* Multiple language support added
* Dam & Sewage Calculations: Added capacity, flow, and tank design.
* Water Supply & Rail: New tools for demand, pump power, gradient, and braking.
* Road & Brickwork: Pavement, slope, bond types, and paver block updates.
* Excavation: One trip volume and trip count.
* Other Enhancements: BOQ sharing, sign-in, quiz, and location-based units.
2024.09.01(52)
XAPK
Oct 4, 202448.2 MBAndroid 6.0+
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What's new in the version 2024.09.01
Updated on Oct 4, 2024
* Multiple language support added
* Dam & Sewage Calculations: Added capacity, flow, and tank design.
* Water Supply & Rail: New tools for demand, pump power, gradient, and braking.
* Road & Brickwork: Pavement, slope, bond types, and paver block updates.
* Excavation: One trip volume and trip count.
* Other Enhancements: BOQ sharing, sign-in, quiz, and location-based units.

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