search
Search Constructionsht
    search
    Search Constructionsht

      Every Type of Concrete Calculator, Render and Paving Calculator You Could Ever Need

      Get all the calculations you need in this helpful tool for the professional or amateur concreter, builder, project manager, civil engineer or weekend warrior.

      🧱 Slab, Footing or Wall Calculator

      Use this for:
      ✔️ Concrete slabs for sheds, driveways, patios
      ✔️ Square footings for posts or small foundations
      ✔️ Solid block or tilt-up concrete walls

      Description:
      This calculator helps you estimate the volume of concrete needed for rectangular slabs, footings, and solid walls. Just enter your dimensions and quantity to get a total volume in cubic meters and an estimate of how many 20kg concrete bags you’ll need. Ideal for most general-purpose residential and light commercial projects.

       

      Slab, Footing, or Wall Calculator






      Column, Hole, or Round Footing





      🕳️ Hole, Column or Round Footing Calculator

      Use this for:
      ✔️ Concrete fence posts and sign footings
      ✔️ Cylindrical columns
      ✔️ Deck piers or round hole pours

      Description:
      Designed for cylindrical holes or column pours, this calculator makes it easy to work out the volume of concrete required for round footings and vertical posts. Just input the diameter, depth, and quantity to get an accurate materials estimate — perfect for structural support jobs.

      Get 3 Local Concreter Contractor Quotes - Fast.

      Submit your concrete job details and you’ll start receiving quotes from local suppliers…
      Get a Quote

      🔵 Circular Slab or Tube Calculator

      Use this for:
      ✔️ Circular pads or pier caps
      ✔️ Concrete rings and tubes (e.g. culverts)
      ✔️ Annular (hollow) forms or cores

      Description:
      This tool calculates the volume of concrete needed for circular slabs or hollow tube forms. It’s perfect for pouring round pads with or without inner voids, like large round columns, circular tank bases, or drainage collars.

       

      Tube or Circular Slab






      Curb and Gutter








      🧱 Curb and Gutter Calculator

      Use this for:
      ✔️ Concrete kerbs and roadside gutters
      ✔️ Car park edge strips
      ✔️ Council-style barrier installations

      Description:
      Estimate concrete volume for curb and gutter profiles with this handy tool. Enter the depth, height, gutter width, flag thickness, and total length. This calculator is ideal for landscaping, urban works, and car park infrastructure projects.

       

      🪜 Stairs & Steps Concrete Calculator

      Use this for:
      ✔️ Concrete staircases with risers
      ✔️ External garden or landscape stairs
      ✔️ Steps leading to a deck, porch or patio

      Description:
      Quickly work out the concrete volume required for stairs including risers and landing platforms. Whether you're building a simple set of steps or a more complex stairway, this calculator handles it with ease.

      Stairs







      Get Concreting Quotes Quickly

      Use AI to submit your job requirements and get connected to suppliers who are near your jobsite, quickly.
      Get rates

      Mortar Calculator





      🧱 Mortar Calculator (Bricks & Blocks)

      Use this for:
      ✔️ Laying clay bricks or concrete blocks
      ✔️ Brick walls, fences, retaining walls
      ✔️ Any masonry job needing mortar

      Description:
      This tool estimates how many 20kg mortar bags you'll need for your brick or blocklaying job. Simply select your unit type and quantity. It includes a 10% wastage buffer and is ideal for both DIY and contractor projects.

       

      Most Popular Concrete Categories on iseekplant

      Paving Gap Sand Calculator










      🏡 Paving Sand Gap Calculator

      Use this for:
      ✔️ Filling gaps between pavers
      ✔️ Brick paving or large format pavers
      ✔️ Outdoor patios, paths, and courtyards

      Description:
      Estimate the number of 20kg bags of jointing sand required to fill the gaps between pavers. Choose between brick-sized or large format (400x400mm) pavers and enter your area. This calculator makes sure you get neat, stable paving without guesswork.

      🎨 Render Calculator

      Use this for:
      ✔️ Rendering brick, block, or concrete walls
      ✔️ Exterior wall finishes
      ✔️ Creating a smooth, weather-resistant surface

      Description:
      Easily estimate how many bags of render you’ll need for your project. Just enter your wall dimensions and render thickness. This tool is perfect for plastering over brickwork or concrete, giving a professional finish to exterior and interior surfaces.

       

      Render Calculator