Every calculator, one workshop

Free material calculators for building, DIY and landscaping. One is live today — the rest are being built on the same accurate, unit-flexible engine.

Live now

• Gravel Calculator — volume, weight, bags and cost for pea gravel, crushed stone, river rock and limestone.

Coming soon · Landscaping

• Sand Calculator — sharp, building and play sand by volume, weight or bag.
• Topsoil Calculator — soil volumes for beds, lawns and levelling.
• Mulch Calculator — bark and mulch coverage for borders and paths.

Coming soon · Building Materials

• Concrete Calculator — ready-mix volumes and bag counts for slabs and footings.
• Brick Calculator — bricks and mortar for walls of any size.
• Block Calculator — concrete blocks per wall, with mortar estimate.

Coming soon · Floors & Walls

• Tile Calculator — tiles per room including cuts and breakage.
• Paint Calculator — litres or gallons per room, coats included.
• Flooring Calculator — laminate, vinyl and wood flooring packs per room.

Coming soon · Outdoor Projects

• Decking Calculator — boards, joists and fixings for your deck.
• Paver Calculator — pavers and sub-base for patios and driveways.