Construction
Material takeoffs and layout tools for paving, decks, fences, drywall and framing.
14 live toolsMeasure. Calculate. Understand.
Serious tools, right in your browser.
Transparent calculators with visible formulas, careful unit handling and practical next steps. No account, no uploads and no hidden black box.
Tool categories
Start with the job in front of you
Woodworking
Lumber measurement, movement, weight and cut-planning utilities.
3 live toolsHVAC
Carefully scoped air-distribution and fuel-gas planning references.
0 live toolsElectronics
Battery, DC power and wiring calculations built around explicit inputs.
3 live toolsMachining
Feeds, speeds, tool geometry and production-planning calculations.
5 live toolsCycling
Wheelbuilding and drivetrain measurement tools for careful workshop use.
0 live toolsAgriculture
Grain-storage geometry and crop-planning calculations with explicit limits.
0 live toolsReady to use
Featured calculators
Aggregate Volume and Weight Calculator
Calculate loose or compacted aggregate volume, user-density weight, order allowance, truckloads, and material cost without a hidden density preset.
Open toolAsphalt Tonnage and Cost Calculator
Calculate compacted asphalt volume and, with your project density, mass, order allowance, truckloads, and material-only cost without hidden constants.
Open toolBattery Capacity Calculator
Calculate the nominal Wh and Ah required for a target runtime from explicit AC/DC loads, losses and usable-capacity factors.
Open toolBattery Runtime & Discharge Calculator
Estimate battery runtime from Ah or Wh, voltage, and AC/DC loads. Add inverter losses, depth of discharge, duty cycles, and battery-specific Peukert behavior.
Open toolBattery Series–Parallel Calculator
Calculate voltage, amp-hours, watt-hours and battery count for one explicit arrangement of identical units.
Open toolBoard Foot and Lumber Cost Calculator
Calculate board feet and lumber cost for multiple boards with explicit dimensions, quantity, allowance, and supplier purchase rounding.
Open toolCusp Height & Stepover Calculator
Calculate theoretical cusp height or stepover for adjacent planar passes of a spherical ball-nose profile.
Open toolDeck Board Calculator and Layout Planner
Calculate straight rectangular deck-board rows, linear requirement, explicit allowance, whole boards, final rip, fasteners, and cost without hidden cut-optimization claims.
Open toolDeck Material and Labor Cost Worksheet
Add user-entered deck material quantities, unit prices, labor, miscellaneous cost, and tax without live pricing or a contractor-quote claim.
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