Calculators
- Brick Calculator: How Many Bricks You Need
Work out how many bricks a wall needs from its area and brick size, with the coursing figures sourced and the manufacturer's minimum waste allowance.
- Concrete Bag Calculator: How Many Bags for a Slab
Work out how many bags of concrete mix a slab needs, plus the mixing water — with the yield per bag and its source spelled out.
- Concrete Block Calculator: How Many CMU Blocks, Courses and Mortar Bags You Need
Work out how many concrete blocks (CMU), courses and masonry cement bags a wall needs, with the CMHA/NCMA source figures spelled out.
- Deck Board Calculator: How Many Boards, Joists and Fasteners You Need
Work out deck board rows, joists and hidden fasteners from your deck size and board width, with the manufacturer spacing facts sourced.
- Drop Ceiling Calculator: Wall Angle, Main Tee, Cross Tees, Hanger Wire & Panels
Work out wall angle, main tee, cross tees, hanger wire and ceiling panels for a suspended drop ceiling, sourced from USG and Armstrong installation guides.
- Drywall Calculator: Panels, Tape, Compound and Fasteners
Work out how many drywall panels, how much joint tape and compound, and how many fasteners a wall needs — with the material rates and their source spelled out.
- Fence Post Concrete Calculator: How Many Bags per Post
Work out how many bags of fast-setting concrete mix your fence posts need from post and hole size and bag size, with the manufacturer method sourced.
- Grout Calculator: Grout Volume and Bags Needed
Calculate grout volume in cubic inches from tile size and joint dimensions, then work out how many bags you need from your own coverage rate.
- Mortar Bag Calculator: How Many Bags for Block or Brick
Work out how many masonry cement bags and how much sand a block or brick wall needs, with the manufacturer yield spelled out and sourced.
- Mulch Calculator: Bags Needed by Area & Depth
Calculate the mulch volume from area and target depth, then work out how many bags you need from the bag size printed on your own product.
- Paver Calculator: How Many Pavers, How Much Sand and Edge Restraint You Need
Work out how many pavers, how much bedding sand and how much edge restraint your paved area needs from area and paver size, with ICPI/ASTM sourcing.
- Rebar Calculator: How Many Bars, Splices and Pounds of Steel You Need
Work out how many rebar bars, splices and pounds of steel a slab or wall needs, with Ohio DOT's specification tables sourced.
- Retaining Wall Block Calculator: Blocks, Capstones, Corners, Gravel & Geogrid
Work out blocks, capstones, corner blocks, gravel and geogrid rolls for a concrete block retaining wall, sourced from Allan Block's own installation guide.
- Shingle Bundle Calculator: How Many Bundles for a Roof
Work out how many shingle bundles a roof needs from its footprint and pitch, with the bundle coverage and trim-waste range spelled out and sourced.
- Soffit Vent Calculator: Required Ventilation Area and Panels Needed
Work out the IRC R806.2 required net free ventilation area for your attic, then how many vented soffit panels and linear feet you need to cover it.
- Stud Calculator: Wall Framing Studs, Plates & Openings
Work out field, corner and opening studs plus sole and double top plate length for a wood-framed wall, sourced from IBC Section 2308.9.
- Tile Mortar Calculator: How Many Thin-Set Bags You Need
Work out how many bags of thin-set mortar your tile job needs from area, product and trowel notch size, with each coverage figure sourced.
- Topsoil Calculator: Bags Needed by Area & Depth
Calculate the topsoil volume from area and application depth, then work out how many bags you need from the bag size printed on your own product.
- Wallpaper Calculator: Rolls Needed by Wall Size & Pattern Repeat
Calculate the number of wallpaper rolls needed from wall perimeter, ceiling height, your own roll size, and the pattern repeat.