13 calculators
Concrete & Masonry
Slabs, footings, piers, blocks, bricks, pavers.
Concrete Slab CalculatorVolume, bags and ready-mix for slabs, patios and basesStrip Footing CalculatorContinuous footings and foundation trenchesConcrete Pier & Pad CalculatorRound or square piers, columns and post padsConcrete Steps CalculatorPoured steps with a top landingConcrete Wall CalculatorPoured walls and foundation walls, minus openingsFence Post Concrete CalculatorBags per post hole, with gravel baseRebar & Reinforcement CalculatorBars, laps, weight and ties for a slab gridSteel Mesh CalculatorSheets of slab mesh with overlapsConcrete Block CalculatorBlocks and mortar for a block wallBrick CalculatorBricks and mortar by wall areaMortar CalculatorMortar for a known number of bricks or blocksBlock Paving CalculatorPavers, base, bedding sand, joint sand and edgingRetaining Wall Block CalculatorBlocks, caps, base and drainage stone
Guides for this trade
Concrete & Masonry
How to estimate concrete for a slab, step by step
Measure, convert, add the right waste and order the right way. Here is the method estimators use to get slab volumes right the first time.
7 min readConcrete & MasonryConcrete bags vs ready-mix: where the break-even really is
Bags are convenient, but mixing more than a cubic yard or metre by hand gets expensive in time and quality. Here is how to decide.
5 min readConcrete & MasonryBrick and block estimating: counts, mortar and extras
Bricks and blocks per square metre, plus mortar, ties, lintels and the items that turn a count into a quote.
6 min readConcrete & MasonryHow many bags of concrete do I need?
Bag yields for every common size, quick tables for slabs and post holes, and why the number on the bag is only a starting point.
5 min readConcrete & MasonryBlock paving and patios: sub-base, bedding and blocks
The base does the work and the pavers just look good. A layer-by-layer takeoff for patios, paths and driveways.
7 min read