Post Hole Concrete
Estimate concrete bags for fence, deck, and mailbox post holes with post displacement and waste.
Open toolTool library
Construction calculators and estimators
Each tool separates base quantity, waste, purchase rounding, assumptions, examples, and sources.
Concrete Slab Cost
Estimate concrete slab area, yards, material cost, labor range, and installed total.
Open toolFlooring Area
Calculate room square footage, waste allowance, and flooring box count.
Open toolShower Tile
Estimate shower wall and floor tile, waste, thinset bags, and grout bags.
Open toolBaseboards
Estimate baseboard linear feet, stock boards, waste, optional shoe moulding, and material cost.
Open toolDeck Stain
Estimate deck stain gallons by deck size, coats, coverage rate, railings, and waste.
Open toolStud Count
Estimate wall studs from wall length, spacing, corners, openings, and waste.
Open toolRoof Square Footage
Estimate roof area from footprint, pitch, waste, roofing squares, and shingle bundles.
Open toolDriveway Cost
Estimate concrete driveway square footage, yards, finish cost, removal allowance, and installed range.
Open toolSonotube Concrete
Calculate concrete volume and bag count for round cardboard form piers.
Open toolCrushed Concrete
Estimate crushed concrete tons and cubic yards from area, compacted depth, density, and allowances.
Open toolConcrete Blocks
Estimate concrete blocks and mortar bags from wall dimensions, openings, block size, and waste.
Open toolConcrete Delivery
Estimate delivered ready-mix concrete cost from dimensions, price per yard, delivery fees, and short-load fees.
Open toolConcrete Per Yard
Estimate material-only ready-mix concrete cost from cubic yards, base price, mix type, region, and extra quantity.
Open toolRebar Sizes
Look up common U.S. rebar sizes, nominal diameter, area, weight per foot, and order weight.
Open toolEpoxy Flooring Cost
Estimate epoxy floor kits, coated area, prep labor, and total cost range.
Open toolHardwood Refinishing
Estimate hardwood refinishing cost by square footage, finish type, coats, stairs, and region.
Open toolDeck Joist Span
Look up cautious MVP deck joist spans for selected species, sizes, and spacing assumptions.
Open toolDeck Footing
Check round deck footing diameter against a simplified load and soil-bearing model.
Open toolDeck Post Spacing
Plan deck beam post count, post spacing, end insets, and estimated tributary load per post.
Open toolFloor Joist Span
Compare a proposed residential floor joist span with a limited source-backed planning lookup.
Open toolRafter Span
Compare a proposed rafter horizontal span with a limited planning lookup for common species, sizes, and spacing.
Open toolLVL Beam Span
Estimate required uniform line load and compare it with a user-entered manufacturer LVL allowable load.
Open toolHeader Spans
Compare an opening width with a limited built-up wood header planning lookup.
Open tool60 Amp Wire
Look up common 60 amp copper and aluminum conductor sizes with voltage-drop and code limitations.
Open tool100 Amp Service
Look up common 100 amp dwelling service conductor sizes for copper and aluminum.
Open tool125 Amp Wire
Look up common 125 amp feeder conductor sizes for copper and aluminum.
Open tool150 Amp Wire
Look up common 150 amp feeder conductor sizes for copper and aluminum.
Open tool200 Amp Service
Look up common 200 amp dwelling service conductor sizes for copper and aluminum.
Open tool400 Amp Service
Review cautious 400 amp service conductor planning rows with strong utility and engineering limitations.
Open toolBreaker Sizes
Round a calculated load to the next common standard breaker size with continuous-load adjustment.
Open toolWater Heater Breaker
Estimate electric water heater breaker size from wattage, voltage, and continuous-load assumptions.
Open toolDryer Breaker
Look up common electric and gas dryer breaker sizes with conductor and voltage-drop warnings.
Open tool6/3 Conduit
Review planning conduit sizes for 6/3 NM-B cable sleeves or individual #6 conductors.
Open toolWire Size
Look up common residential conductor sizes for selected circuit ratings with prominent electrical limitations.
Open toolMetal Roof
Estimate metal roofing panels, adjusted roof area, pitch factor, and roofing squares.
Open toolGambrel Roof
Estimate gambrel roof area, upper and lower rafter lengths, roofing squares, and shingle bundles.
Open toolRafter Length
Calculate rafter length from horizontal run, roof pitch, overhang, ridge thickness, and cut allowance.
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