Free tools
すべての計算機
20 個の無料計算機、増加中 — 定期的に新しい計算機を追加。
Gutter Cleaning Cost Calculator
Free gutter cleaning cost calculator. Estimate professional gutter cleaning by linear feet, stories, debris, access, gutter guards, and downspout flushing.
計算機を開くBasement Waterproofing Cost Calculator
Free basement waterproofing cost calculator. Estimate interior drains, exterior membrane, drain tile, sump pump, crack repair, and excavation costs for a wet basement.
計算機を開くAsphalt Calculator
Free asphalt tonnage calculator. Calculate how many tons of asphalt, cubic yards, and cost you need for a driveway, parking lot, or blacktop paving job.
計算機を開くDemolition Cost Calculator
Free demolition cost calculator. Estimate house demolition cost, debris volume, dumpster loads, and total project cost by structure type, square footage, and method.
計算機を開くTrench Calculator
Free trench excavation calculator. Calculate trench volume, bedding material, backfill, truck loads, and cost for pipe, drainage, foundation, and cable trench projects.
計算機を開くWarehouse Space Calculator
Free warehouse space calculator. Calculate total square footage, pallet storage capacity, aisle requirements, staging dock areas, and lease costs.
計算機を開くSnow Load Calculator
Calculate roof snow loads using ASCE 7-22. Estimate flat and sloped roof snow loads, minimum loads, snow drift surcharges and total structural roof loads.
計算機を開くSquare Footage Calculator
Free square footage calculator for rooms, flooring, tile, carpet and irregular shapes. Calculate sq ft, square meters, square yards, waste, material quantities and costs.
計算機を開くSiding Calculator
Free siding calculator for houses and buildings. Calculate siding area in sq ft, squares, panels, waste, and material cost for vinyl, fiber cement, wood, and metal siding.
計算機を開くStair Calculator
Free stair calculator with IRC & IBC code compliance. Calculate exact riser height, number of steps, tread depth, stringer 2×12 cut length, pitch angle, and headroom clearance.
計算機を開くSod Calculator
Free sod calculator for lawn installation. Calculate sod rolls, pallets, and cost by shape. Estimate waste factor, soil prep, and topsoil for Bermuda, Fescue, Zoysia, and more grass types.
計算機を開くInsulation Calculator
Calculate insulation R-value, required thickness, batt packages, blown-in bags, spray foam board feet, and estimated installation cost for attics, walls, floors, and roofs.
計算機を開くSpray Foam Insulation Cost Calculator
Free spray foam insulation cost and board-foot calculator. Calculate board feet, open-cell vs closed-cell thickness, 55-gallon drum yields, DIY kits, and contractor installation costs.
計算機を開くWater Softener Size Calculator
Free water softener size calculator. Determine the correct grain capacity, resin volume, salt consumption, and regeneration cycle for your home using WQA sizing standards.
計算機を開くElectrical Load Calculator
Free residential electrical load calculator per NEC Article 220. Calculate total VA, service amperage, 100A vs 200A panel capacity, EV charger additions, and service conductor wire sizing.
計算機を開くDeck Footing Calculator
Free deck footing calculator per IRC R507. Size concrete footings, count posts, and estimate concrete yards for your deck based on tributary load and soil bearing capacity.
計算機を開くConcrete Block Calculator
Free concrete block calculator and CMU wall estimator. Calculate how many concrete blocks you need to build a wall, concrete block fill (grout yards), mortar bags, rebar, and total wall cost.
計算機を開くBathroom Remodel Cost Calculator
Calculate bathroom remodel costs by size, finish level, plumbing changes, labor, materials and upgrades. Get a low-to-high renovation estimate instantly.
計算機を開くBattery Backup Calculator
Calculate battery bank capacity, inverter size, backup runtime, and solar recharge requirements for home UPS and backup power systems. Supports LiFePO₄, AGM, and lead-acid batteries.
計算機を開くHome Inspection Cost Calculator
Free home inspection cost estimator. Calculate inspection fees by home size, age, foundation, and region — plus radon, mold, sewer scope, termite, and well water add-on pricing.
計算機を開く