Building Tools & Calculators
Construction and engineering calculators for concrete, rebar, asphalt, roofing, insulation, electrical sizing and common project quantities.
Browse building toolsUse the directory below to compare related tools in one place. Each resource has its own focused page with task-specific instructions, assumptions, limitations and related links.
All building resources
17 tools and guides are currently grouped in this category.
US Solar Savings Calculator
Estimate U.S. home solar production, self-consumption, exports, savings, simple payback and 25-year value.
Cyprus Solar Savings Calculator
Estimate Cyprus photovoltaic production, self-consumption, exports, savings, payback and long-term value.
Greece Solar Savings Calculator
Estimate Greece photovoltaic production, self-consumption, exports, savings, payback and long-term value.
US Roof Replacement Cost Calculator
Estimate a U.S. roof replacement cost range by area, material, pitch, stories, access, waste and tear-off.
Concrete Calculator
Estimate concrete volume for slabs, pads and rectangular pours in cubic yards and cubic metres.
Gravel Calculator
Calculate gravel volume and estimated tonnage for driveways, paths and landscape areas.
Asphalt Calculator
Estimate asphalt tonnage from paved area, compacted depth and material density.
Fence Calculator
Estimate fence posts, sections, rails and pickets from total length and spacing.
Rebar Calculator
Estimate reinforcing-bar grid lines, linear feet and stock-bar quantity for rectangular slabs.
Insulation Calculator
Estimate insulation thickness, coverage and pack count from area, target R-value and material performance.
AC BTU Calculator
Estimate preliminary air-conditioning capacity in BTU/h, tons and kW from room size and basic load factors.
Paint Calculator
Estimate gallons of wall paint from wall length, height, openings, coats and product coverage.
Deck Material Calculator
Estimate deck area, decking linear feet, board quantity and joist lines from dimensions and spacing.
Drywall Calculator
Estimate drywall sheet quantity for room walls and optional ceiling with openings and waste allowance.
Board Foot Calculator
Calculate lumber board feet from thickness, width, length, quantity and optional waste.
Mulch Calculator
Estimate mulch volume in cubic yards and bags from bed area, depth and bag size.
Tile Calculator
Estimate tile count, box quantity and order coverage from surface area, tile dimensions and waste.
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