All Calculators
Choose a project resource: a working calculator, measurement guide, checked examples and ordering notes. Related worksheets live together so you can finish a takeoff in one place.
17 tools live across 3 categories · Free to use
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Construction Materials
Brick, masonry, reinforcing steel, lumber, aggregates, paving and measurement tools for practical construction estimating.
11 live
Home Improvement
Home addition budgets, paint quantities and roof geometry, with measurement guides and editable project assumptions.
3 live
Building Trades
HVAC duct and load planning, pipe weights and recessed-light layouts, with transparent methods and design limits.
3 live
All live tools
Construction Materials
11 liveBitumen Calculator
Estimate asphalt mix and binder quantities, reverse coverage and an editable driveway budget.
Construction Materials
Brick Calculator
Estimate wall bricks, waste, mortar volume, bags and cost from verified brick and joint dimensions.
Construction Materials
Building Material Calculator
Estimate material packages, studs, plate stock and lumber quantities with separate worksheets and a project list.
Construction Materials
Concrete Block Calculator
Concrete, cinder block and CMU calculator for wall takeoffs, openings, waste, mortar, grout/core fill, rebar, pallets and costs.
Construction Materials
Concrete Calculator
Calculate geometric concrete volume and an order allowance for slabs, footings, cylindrical posts and direct volume entries.
Construction Materials
Crushed Stone & Stone Tonnage Calculator
Plan crushed stone, crusher run, pea gravel and river rock with volume, weight, compaction and ordering worksheets.
Construction Materials
Drywall Calculator
Estimate drywall sheets for multiple walls and ceilings. Compare sheet sizes, net-area and surface-grid counts, openings, layers, waste and cost.
Construction Materials
Linear Feet Calculator
Calculate linear feet from pieces, runs, perimeter or area, then estimate stock pieces and cost per foot.
Construction Materials
Paver Base Calculator
Estimate base aggregate, bedding sand and polymeric joint sand as separate material quantities.
Construction Materials
Rebar Calculator
Estimate rebar grid counts, total length, stock bars and weight from drawing-specified spacing and cover.
Construction Materials
Square Footage Calculator
Measure square footage for multiple rectangles, circles, triangles, trapezoids and L-shaped rooms, with deductions, material allowance and optional cost.
Construction Materials
Home Improvement
3 liveHome Addition Cost Calculator
Estimate home addition costs with editable local rates, itemized low-to-high ranges, permits and contingency. Compare options and save your budget report.
Home Improvement
Paint Calculator
Estimate paint and primer for multiple rooms or surfaces, with three paint groups, ceiling paint, explicit coats, label coverage and whole-container costs.
Home Improvement
Roof Pitch Calculator
Convert roof pitch, angle, slope percent and rise/run. Calculate geometric slope length and uniform-pitch roof area in US or metric units.
Home Improvement
Building Trades
3 liveHVAC Duct Calculator
Check duct airflow, velocity and friction, then investigate equipment loads in a separate planning worksheet.
Building Trades
Line Pipe Weight Calculator
Estimate bare pipe weight and fluid-filled operating weight from actual dimensions, material density and piece count.
Building Trades
Recessed Lighting Calculator
Plan recessed-light grids, fixture count, beam spacing and wall-wash rows from explicit room and product inputs.
Building Trades