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Concrete Calculator is a free concrete calculator and estimator app for contractors, builders, and DIYers. Instantly calculate slab, driveway, and patio volumes in cubic meters or cubic yards, save projects, and plan construction projects and load them again later.

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Rebar vs. Wire Mesh vs. Fibre Mesh: Which Concrete Reinforcement Is Right for Your Project?

Ever hear a contractor tell a homeowner, ‘Skip the steel — fibre mesh is all you need’? Usually it’s the fast-job pitch: save a few hours, skip lifting rebar, and move on to the next pour. But here’s the reality for anyone who actually finishes slabs for a living — fibre helps with shrinkage cracks, sure, but it will never replace steel when a slab actually needs to carry weight. If you want a floor that holds up, you need to know what each reinforcement really does, and when cutting corners will come back to bite you. Let’s clear up what each type of reinforcement actually does , what it can’t do, and when you should use one over the other. The Concrete Buddy app ties right into this — it doesn’t just calculate concrete volume; it also figures the cost of rebar, wire mesh, and fibre mesh so you can quote a job accurately. Rebar – Built for Strength, Not Crack Control Rebar is structural . It’s meant to handle tensile and bending stress , not just hold cracks tight. You’l...
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How to Stamp Concrete: The Complete Guide for Perfect Results

Stamped concrete can transform a plain slab into the look of natural stone, slate, or brick — without the cost or maintenance of individual materials. Whether you’re a contractor or a DIY enthusiast, this guide walks you through stamping concrete from start to finish, including materials, crew setup, timing, tools, and helpful planning tips using Concrete Buddy . 1. Preparation and Planning Before starting, measure your total area and calculate concrete volume: Concrete volume (Canada): (Length × Width × Thickness ÷ 1000 = cubic metres) Concrete volume (US): (Length × Width × Thickness ÷ 27 = cubic yards) Mix type: Standard 32 MPa (4500 psi) with air entrainment for exterior slabs Colour options: Integral colour, colour hardener, and release powder/liquid (depending on your finish style) Pro Tip: Concrete Buddy makes this easy. Enter your slab dimensions, and it calculates volume in both cubic metres and cubic yards — perfect for ordering the correct amount of concrete ...
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How to Reduce Freeze-Thaw Spalling on Stamped Concrete: The CB-FTD Protocol (v1.0)

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A field-inspired, science-backed workflow using a finishing aid + lithium silicate densifier + sealer timing to reduce surface weakness and freeze-thaw spalling risk on stamped/decorative concrete in cold climates. Photo: example stamped finish (for visual reference). Why this protocol exists Stamped and decorative concrete in freeze-thaw environments often fails at the surface. The top paste layer can end up weaker and more permeable from real-world chaos: stamping pressure, release agents, rushed finishing windows, trapped bleed water, wind/heat drying, and rain exposure. When the surface becomes more permeable, it saturates easier. Then freeze-thaw cycling (and sometimes deicers) can trigger surface scaling/spalling. This protocol is designed to attack the problem from three angles: Reduce early surface weakness during finishing Promote hydration and strength gain through curing Densify the near-surface pore structure, then seal to reduce water ingre...
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