Calculators
Garage Cost Calculator
Estimate a detached garage build — foundation, roof, and finish level included.
LiveFill & Gravel Calculator
Cubic metres, tonnes, truckloads, and delivered cost.
LiveDriveway Cost Calculator
Gravel, asphalt, and concrete priced side by side.
LiveLot Development Estimator
Raw land budget: clearing, driveway, well, septic, hookups.
LiveAttic Space Calculator
Pick style, pitch, and span — see your room drawn live.
LiveFoundation Cost Estimator
Slab, frost wall, piers, or wood floor — quantities and cost, itemized.
LiveRoof Cost Estimator
Trusses or stick, gable to gambrel, shingles to metal — framed and covered.
LiveLand Constraint Checker
Buying vacant land? Get your due-diligence checklist — floodplains, setbacks, wellhead zones.
LiveWall Framing Calculator
Studs, plates, headers, and sheathing — a full lumber takeoff with waste factor and cost.
How-To Guides
How Much Does It Cost to Build a Garage in Canada?
Real 2026 numbers, what drives the price, and where to save.
GuideGarage Foundations: Slab vs Frost Wall
What your climate and soil mean for your foundation choice.
GuideRoof Framing for Attic Space
Attic trusses vs stick framing vs gambrel — compared honestly.
GuideLumber Choices: What to Use Where
Dimensional, treated, LVL, trusses — prices and the material deal-breakers.
GuideRoofing Materials Compared
Asphalt, metal, cedar, composite — by building type, with the verdict.
GuideGravel Driveway Cost in Canada
Layer-by-layer 2026 pricing, maintenance, and how to save.
GuideAsphalt vs Concrete vs Gravel
Costs, lifespan, winter performance — and the verdict.
GuideHow Many Truckloads of Gravel Do I Need?
Convert area and depth into loads — and avoid over-ordering.
GuideThe Real Cost of Developing a Rural Lot
Clearing, well, septic, hydro, and driveway — priced before you buy.
GuideWell and Septic Costs for Rural Buyers
Drilling rates, septic types, and the $500 soil test that rules them all.
GuidePermits & Property Lines
Sheds, fences, decks, pools — broad rules and why your municipality decides.
About BuildPlanner
BuildPlanner.ca gives Canadians practical tools to plan and budget construction projects. Our calculators use editable Canadian-average prices, so you can tune every estimate to your local market. Estimates are for planning purposes — always confirm with local contractors and your municipality.