Builder tools
Home improvement calculators for Canada
Every tool uses square metres, CAD pricing fields and GST/HST handling, with formulas that are documented and unit-tested.
Project category
Concrete & Masonry
Volume, slab, footing and masonry material calculators.
- Concrete Slab CalculatorEnter slab dimensions in metric or imperial — Canadian ready-mix is ordered in cubic metres, and this calculator converts either way and adds a wastage allowance.
- Concrete Volume CalculatorEnter your pour dimensions in metric or imperial — rectangular pads and footings or cylindrical sonotube piers — and get the cubic metres of ready-mix to order, with a wastage allowance.
- Ready-Mix Concrete Cost Calculator CanadaTurn a current ready-mix concrete supplier quote into an itemised CAD supply total while keeping physical volume, billed volume, fees and GST/HST separate.
Project category
Flooring & Tile
Flooring, tile and underlay quantity and cost calculators.
- Tile and Grout Calculator with Spacer Width CanadaEnter the room in metres or feet, tile size and spacer width in millimetres or inches, then add the exact grout coverage from the product chart. The tool converts units and rounds tile boxes and grout packages separately.
- Flooring CalculatorEnter your room in metres or feet — Canadian flooring boxes are labelled in both sq ft and m², and this calculator converts either way and counts the boxes to buy.
Project category
Painting & Walls
Paint coverage and wall finish calculators.
Project category
Walls & Insulation
Drywall, plasterboard, stud and insulation calculators.
Project category
Landscaping
Mulch, gravel, soil and outdoor material calculators.
- Mulch Calculator — Bags vs Bulk Cost CanadaEnter bed dimensions, depth, bag volume, supplier bulk increment, and optional prices to compare rounded bag and bulk material orders.
- Gravel CalculatorEnter the area in metres (or feet) and the depth in centimetres to get the cubic metres and metric tonnes of gravel to order, with wastage and an optional cost estimate.
Project category
Decks & Fences
Decking, fence post and panel calculators.
- Fence CalculatorEnter one straight length or list each section in feet or metres to get posts and panels with section-by-section rounding, shared corners and an optional GST/HST-aware cost estimate.
- Decking Calculator — Boards, Joists, and FastenersEnter your deck size in metres or feet and the approved fixing schedule to count boards, joists, regular fasteners, whole packs, and optional entered-price cost.