Concrete & masonry calculators
Every pour and every wall: slabs, footings, columns, steps, bags, rebar, block, brick and mortar — yards and m³ side by side. Every one works in feet and inches or in metric — flip the switch at the top and the numbers you have typed convert with it.
14 tools
- Concrete yards, bags & volume from slab dimensions
- Concrete slab yards & bags for a floor, pad or patio
- Concrete footing yards & bags for strip and pad footings
- Concrete column yards & bags for round piers and sonotubes
- Post hole concrete bags per hole, net of the post, for a run of posts
- Concrete stairs concrete volume for poured steps
- Concrete bags bag count from a volume or dimensions
- Rebar grid count, linear length & ties
- Block wall concrete block count for a wall
- Brick brick count for a wall area
- Mortar bags of mortar for block or brick
- Concrete wall yards & m³ for a poured wall, less openings
- Concrete weight weight of a slab, block or pour from your density
- Rebar spacing bars in a run at your spacing, with laps
Nothing in this drawer matches. Try the full index, which searches every tool.
Which one do I need?
Concrete is ordered by volume — cubic yards in the US, cubic metres in Canada and most of the world — and every calculator here shows both. Bagged mix is counted by the yield printed on your bag, which you can type in.
- How many yards for a slab, pad or patio? Concrete slab calculator →
- Footings under a wall or a deck? Concrete footing calculator →
- Round piers or sonotubes? Concrete column calculator →
- Setting fence or deck posts? Post hole concrete calculator →
- Only need bags, not a truck? Concrete bags calculator →
- Laying out steel in a slab? Rebar calculator →
- How many blocks or bricks? Block wall calculator →
- A poured foundation wall? Concrete wall calculator →
- How heavy is that slab or pier? Concrete weight calculator →
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- Plomberie et CVC
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- Tous les outils
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