Accurately estimate quantities for blockwork, columns, lintels, slabs, beams, staircases, and roofing. Follow this step-by-step guide for efficient construction planning.

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Use the navigation buttons at the top to select a calculator: Blockwork, Column, Lintel, Slab, Beam, Staircase, or Roof. Only the selected calculator will display for a streamlined workflow.

• Purpose: Estimate blockwork area, accounting for openings like windows, doors, and voids.
• Steps:
  • Enter wall length (e.g., 10 meters) and height (e.g., 3 meters).
  • Add openings:
    • Click "+ Add Another Window" and input window width (e.g., 1.2 meters), height (e.g., 1.5 meters), and quantity (e.g., 2).
    • Click "+ Add Another Door" and input door width (e.g., 0.9 meters), height (e.g., 2.1 meters), and quantity (e.g., 1).
    • Click "+ Add Another Void" and input void width (e.g., 0.5 meters), height (e.g., 0.5 meters), and quantity (e.g., 1).
  • Click "Calculate Blockwork Area" to get total blockwork area (m²) and estimated number of blocks.

• Purpose: Calculate concrete volume, formwork area, and reinforcement weight for columns.
• Steps:
  • Enter number of columns (e.g., 12), width (e.g., 0.24 meters), thickness (e.g., 0.24 meters), height (e.g., 3 meters).
  • Input reinforcement bar weight (e.g., 1.58 kg/m) and bars per column (e.g., 4).
  • Click "Calculate" to get concrete volume (m³), formwork area (m²), and reinforcement weight (kg).

• Purpose: Estimate concrete volume, formwork area, and reinforcement for lintels.
• Steps:
  • Enter lintel length (e.g., 2 meters), width (e.g., 0.2 meters), thickness (e.g., 0.2 meters).
  • Input lapping length (e.g., 0.3 meters) and number of reinforcement bars (e.g., 4).
  • Select bar sizes for main reinforcement (e.g., 12mm) and stirrups (e.g., 8mm).
  • Click "Calculate" to get concrete volume, formwork area, reinforcement weight, and stirrup count.
  • Download Bill of Quantities (BOQ) as Excel or PDF.

• Purpose: Calculate concrete volume, reinforcement, and formwork for slabs.
• Steps:
  • Enter slab length (e.g., 5 meters), width (e.g., 4 meters), thickness (e.g., 0.15 meters).
  • Input reinforcement bar spacing (e.g., 0.2 meters) and bar size (e.g., 10mm).
  • Enter returns length if applicable (e.g., 1 meter).
  • Click "Calculate" to get concrete volume, reinforcement quantities, and formwork area.

• Purpose: Estimate concrete volume, formwork area, and reinforcement for beams.
• Steps:
  • Enter beam length (e.g., 6 meters), width (e.g., 0.3 meters), depth (e.g., 0.4 meters).
  • Input reinforcement details: top bars (e.g., 2 bars, 12mm), middle bars (e.g., 2 bars, 10mm), bottom bars (e.g., 2 bars, 12mm).
  • Click "Calculate" to get concrete volume, formwork area, and reinforcement weight.
  • Download BOQ as Excel or PDF.

• Purpose: Calculate concrete volume, formwork area, and reinforcement for staircases.
• Steps:
  • Enter landing dimensions: length (e.g., 2 meters), width (e.g., 1 meter), thickness (e.g., 0.15 meters).
  • Enter waist dimensions: length (e.g., 3 meters), width (e.g., 1 meter), thickness (e.g., 0.15 meters).
  • Input tread and riser details: number of steps (e.g., 10), tread length (e.g., 0.25 meters).
  • Enter reinforcement details: spacing (e.g., 0.2 meters), diameter (e.g., 10mm).
  • Click "Calculate" to get concrete volume, formwork area, and reinforcement weight.

• Purpose: Calculate timber quantities for roofing structures.
• Steps:
  • Enter roof length (e.g., 10 meters) and width (e.g., 8 meters).
  • Click "+ More Options" to add details for kingpost, tie beams, rafters, purlins, bargeboards, and noggins.
  • Click "Calculate Roof Takeoff" to get timber lengths for all components and roof covering area.

• Double-check all input values for accuracy.
• Use the BOQ download feature for professional project documentation.
• Leverage calculators to minimize material waste and save time.

• Fast & Accurate – Get precise results in seconds.
• Professional Planning – Streamline BOQ preparation.
• User-Friendly Interface – No complex software needed.