Canadian Construction Calculators · 241 Tools
Construction estimates, with the maths shown.
Free, instant, metric or imperial.
Concrete volumes. Roof tiles. Paint litres. Boiler sizes. Every formula is shown, every number is editable, and nothing leaves your browser.
Most-used calculators
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Concrete Slab Calculator
Calculates concrete volume for slabs, paths, and driveways
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Roof Shingle Calculator
Estimates roof shingles or shingles by pitch and area
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Drywall Calculator
Calculates sheets for walls and ceilings
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Lumber Calculator
Calculates board feet or linear metres of lumber by section and count
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Attic Insulation Calculator
Calculates rolls of mineral-wool attic insulation
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Home Addition Cost Calculator
Estimates build cost for additions per m² or ft²
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Concrete & Foundations (18)
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View all →Planning & Budgeting (9)
View all →Time & Labour (10)
View all →Kitchen (5)
View all →Bathroom (7)
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View all →Windows & Doors (9)
View all →HVAC & Ventilation (1)
View all →Landscaping & Outdoor (19)
View all →Structural Steel & Metal (5)
View all →Project Cost Estimators (15)
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View all →Swimming Pool (4)
View all →Estimates, not advice.
BuildMetricLab is a planning tool. Results are intended to help you scope a job and request quotes — they are not a substitute for a qualified trade quote, structural engineer's calculation, or National Building Code (NBC) sign-off. Always verify with a professional before ordering materials or starting works.