Concrete & Masonry Calculators
Work out concrete for slabs, footings and posts, blocks and bricks for walls, and the mortar, rebar and grout that go with them. Every calculator gives the bags, cubic yards or pieces to buy, in US and metric units.
11 calculators · A–Z of all calculators
- Concrete CalculatorSlabs, walls, footings, columns and steps: cubic yards, bag counts and cost.
- Concrete Block CalculatorBlocks, mortar and grout for a CMU wall, with openings deducted.
- Concrete Steps CalculatorConcrete and bags for solid steps.
- Sonotube & Post Hole CalculatorConcrete for tube forms, piers and fence posts.
- Brick CalculatorBricks and bags of mortar for walls and houses, by brick size.
- Retaining Wall CalculatorBlocks, caps, base gravel and drainage stone for a block retaining wall.
- Stone Wall CalculatorTons of wall stone from the wall face and your stone's coverage.
- Rebar CalculatorRebar for a slab: bars each way, 20 ft bars with laps, weight and ties.
- Concrete Weight CalculatorWeight of slabs and columns in pounds, tons and kilograms.
- Metal Weight CalculatorWeight of steel, aluminum and other metal plate, bar, pipe, tube and angle.
- Mortar CalculatorBags of mortar mix for brick and concrete block walls.
Projects that use them
Pour a concrete slab
Build a deck
Build a block wall