Construction & Home Calculators

335 free construction & home calculators in Other.

Deck Joist SpacingCalculate deck joist spacing from a few simple inputs generally.
Fence Post SpacingCalculate fence post spacing from a few simple inputs generally.
Home Maintenance CostBudget an annual home-maintenance reserve as a percentage of home value generally.
AC BTU Sizing CalculatorFind the right AC/BTU capacity for a room based on area, sun and occupancy.
AC Size in TonsEstimate the air conditioner capacity a space needs.
Adhesive CoverageFind how many tubes or gallons of adhesive a job needs.
Air Purifier CoverageFind the room size an air purifier can serve at the right air changes.
Air Purifier Size CalculatorFind the right air purifier CADR for a room size.
Animal Housing AreaFree Animal Housing Area calculator with clear step-by-step results.
Appliance Energy CostEstimate the monthly and yearly cost of running an appliance.
Asbestos/Lead Paint CalculatorEstimate abatement cost for asbestos or lead paint by area and method.
Attic Conversion CostFree Attic Conversion Cost calculator with clear step-by-step results.
Attic Ventilation CalculatorCalculate required attic net free vent area and the intake to exhaust split.
Basement Finishing CostFree Basement Finishing Cost calculator with clear step-by-step results.
Bathroom Remodel Cost CalculatorEstimate the cost of a full bathroom remodel by size and finish.
Bathroom Renovation CostFree Bathroom Renovation Cost calculator with clear step-by-step results.
Battery Backup CalculatorSize home battery storage for a target backup runtime on critical loads.
Bedroom Layout CalculatorCheck if your furniture fits a bedroom layout.
Blinds Cleaning Time CalculatorEstimate how long it takes to clean all the blinds in a home.
Blinds Size CalculatorMeasure the right window blind width and drop for inside or outside mount.
Block CountCount concrete blocks for a wall.
Block QuantityFree Block Quantity calculator with clear step-by-step results.
Boiler CostFree Boiler Cost calculator with clear step-by-step results.
Boiler/Furnace Sizing CalculatorSize a boiler or furnace from heat loss and appliance efficiency.
Brick CountCount the bricks needed for a wall including mortar joints.
Brick Count CalculatorEstimate how many bricks you need for a wall including mortar joints.
Brick QuantityFree Brick Quantity calculator with clear step-by-step results.
Brick/Block CalculatorCalculate brick or block quantities and mortar for a masonry wall.
BTU CalculatorSize heating and cooling in BTUs for a room's dimensions, climate and insulation.
Cabinet CostFree Cabinet Cost calculator with clear step-by-step results.
Car Rental Total CostFree Car Rental Total Cost calculator with clear step-by-step results.
Carbon Monoxide Alarm CheckPlan carbon monoxide alarm placement and count.
Carpet Area CalculatorCalculate carpet needed for a room in sq ft or sq m, including underlay.
Carpet CostEstimate carpet, padding, labor and total cost for a room.
Carpet vs HardwoodCompare the lifetime cost of carpet against hardwood flooring.
Caulk CoverageFind the linear feet a tube of caulk seals.
Caulk QuantityEstimate caulk tubes needed to seal long joints.
Ceiling AreaFree Ceiling Area calculator with clear step-by-step results.
Ceiling Fan Size CalculatorPick the right ceiling fan blade span for a room size.
Ceiling Fan vs ACCompare the cost of running a fan versus an air conditioner.
Ceiling Height to Floor Area CalculatorCalculate room floor area from ceiling height and volume.
Ceiling PaintPlan paint for a ceiling from the room footprint.
Cement Sand AggregateFree Cement Sand Aggregate calculator with clear step-by-step results.
Chimney Liner CalculatorSize a chimney liner from appliance output and flue height.
Chimney Size CalculatorFind the right chimney and flue size for a fireplace.
Circuit LoadCheck how loaded a branch circuit is from its outlets.
Circuit Load CalculatorCheck if a home circuit is overloaded by its connected devices.
Cleaning Solution DilutionMix a concentrated cleaner to the right dilution for a spray bottle.
Closet Rod Length CalculatorCalculate closet rod and shelf length for your wardrobe.
Co Parenting Expense SplitFree Co Parenting Expense Split calculator with clear step-by-step results.
Concrete Bag CalculatorFind how many bags of concrete mix you need for a slab or footing.
Concrete BagsFree Concrete Bags calculator with clear step-by-step results.
Concrete CalculatorCalculate concrete volume and bags needed for slabs, footings, columns and stairs.
Concrete PostFigure concrete and bags for setting fence posts.
Concrete Slab CostEstimate concrete volume and cost for a slab pour.
Concrete VolumeCalculate concrete in cubic yards and bags for a slab.
Concrete VolumeCalculate the concrete needed for a slab in cubic yards.
Conduit FillCheck what fraction of a conduit the wires occupy.
Conduit Fill CalculatorCheck conductor fill percentage against the allowable limit for a conduit.
Cooling Load per RoomEstimate cooling load from room size, sun and occupancy.
Countertop CostFree Countertop Cost calculator with clear step-by-step results.
Crawl Space Encapsulation CalculatorCalculate liner area, dehumidifier size and cost for crawl space encapsulation.
Curtain FabricEstimate the fabric yards needed to make curtains.
Curtain Size CalculatorDetermine curtain width, length and fabric needed for any window.
Cut ListPlan how many boards a cut list needs including kerf.
Deck Board CountFree Deck Board Count calculator with clear step-by-step results.
Deck Board SpacingFind the number of deck boards spaced with gaps.
Deck CalculatorCalculate joists, decking boards and footings for a timber deck.
Deck CostFree Deck Cost calculator with clear step-by-step results.
Deck Lumber CalculatorCount the boards, joists and posts needed to build a deck.
Deck Post ConcreteEstimate the concrete needed to set deck posts.
Deck Staining Cost CalculatorEstimate deck staining or sealing cost by deck area.
Dehumidifier CostEstimate how much running a dehumidifier adds to your bill.
Dehumidifier Size CalculatorPick the right dehumidifier pint capacity for your room size.
Dishwasher Capacity CalculatorCalculate how many place settings a dishwasher can wash per load.
Dishwasher vs HandwashCompare the water and energy cost of a dishwasher to handwashing.
DIY Project CostFree DIY Project Cost calculator with clear step-by-step results.
Door Replacement CostFree Door Replacement Cost calculator with clear step-by-step results.
Drain SlopeVerify a drain pipe's slope against the required fall.
Drill Speed (RPM)Find the recommended drill RPM for a bit and material.
Driveway ConcreteEstimate concrete for pouring or resurfacing a drive.
Driveway CostFree Driveway Cost calculator with clear step-by-step results.
Driveway GravelVolume and cost of gravel needed to refresh a drive.
Driveway Paving CalculatorEstimate the cost to pave or repave a driveway.
Driveway Size CalculatorFind the ideal driveway width and length for your cars.
Drywall CalculatorCalculate drywall sheets, compound, tape and screws for a room.
Drywall CostFree Drywall Cost calculator with clear step-by-step results.
Drywall Joint CompoundEstimate joint compound for taping and finishing drywall.
Drywall MudEstimate the joint compound needed to finish drywall.
Drywall ScrewCount drywall screws for a number of gypsum sheets.
Drywall ScrewsFree Drywall Screws calculator with clear step-by-step results.
Drywall SheetsFind how many drywall sheets cover a wall or ceiling.
Duct Size CalculatorSize round and rectangular ducts from airflow and target velocity.
Electric Bill EstimateEstimate your monthly electricity bill from usage and rate.
Electrical Conduit FillFree Electrical Conduit Fill calculator with clear step-by-step results.
Electrical Load CalculatorCalculate dwelling electrical load and required service size with demand factors.
Electrical Panel Size CalculatorEstimate the electrical panel amperage your home needs.
Electricity Bill EstimatorEstimate your monthly electricity bill from appliance usage and local rate.
Epoxy CoverageEstimate two-part epoxy for a garage or floor.
Fan Power CostSee the running cost of a fan compared by speed setting.
Fastener CountEstimate how many screws or nails a sheathing job needs.
Fastener QuantityFree Fastener Quantity calculator with clear step-by-step results.
Fence Board CountFree Fence Board Count calculator with clear step-by-step results.
Fence CalculatorCalculate fence posts, panels, concrete and gate allowances.
Fence Cost CalculatorEstimate the total cost of building a fence including materials and labour.
Fence Length & CostEstimate the length and material cost of a boundary fence.
Fence Material CalculatorEstimate posts, rails and panels needed for a fence run.
Fence Painting Cost CalculatorEstimate the cost of painting or staining a fence.
Fence PanelCount panels and posts for a straight fence run.
Fence Post CountFree Fence Post Count calculator with clear step-by-step results.
Fence Post DepthFind how deep to bury a fence post and its concrete.
Fireplace/Stove CalculatorSize a wood, gas or pellet stove to the room it must heat.
Firewood Quantity CalculatorEstimate how much firewood you need for a heating season.
Floor AreaFree Floor Area calculator with clear step-by-step results.
Flooring AreaCalculate the flooring material needed with a waste allowance.
Flooring CalculatorCalculate flooring packs and waste allowance for a room.
Flooring WasteAdd waste allowance to a room area for flooring orders.
Footing ConcreteCalculate concrete for round piers or footings.
Foundation Cost CalculatorEstimate the cost of a home foundation slab by area.
Framing LumberEstimate studs, plates and lumber cost for a wall.
French Drain CalculatorCalculate gravel, pipe, fabric and fall for a French drain trench.
Fridge Size for FamilyPick the right refrigerator volume in litres for your household size.
Furnace CostFree Furnace Cost calculator with clear step-by-step results.
Furniture Spacing CalculatorPlan comfortable spacing between furniture pieces in a room.
Garage Conversion CostFree Garage Conversion Cost calculator with clear step-by-step results.
Garage Heater Size CalculatorCalculate the heater size needed to warm a garage.
Garage Size CalculatorWork out the garage dimensions needed for one or two cars.
Garage Storage CalculatorEstimate garage shelving and storage needed by items.
Garden Bed CostFree Garden Bed Cost calculator with clear step-by-step results.
Garden FertilizerFind how much fertilizer meets a target nitrogen rate.
Garden Hose Flow CalculatorCalculate garden hose water flow rate and fill time.
Garden SoilFind soil volume and bags needed for a raised garden bed.
Gas Bill EstimatorEstimate your bill from gas usage, price per therm and fixed charges.
Gas vs Electric HeatCompare the fuel cost of gas, resistance and heat-pump heating.
Gas vs Electric Heating CostCompare the running cost of gas heating versus electric heating.
Gate WidthSplit an opening into single or double gate leaves.
Generator Run Time CalculatorEstimate how long a generator runs on a full tank at a given load.
Generator SizeEstimate the generator wattage needed for essential loads.
Generator Sizing CalculatorSize a standby generator from running and motor starting loads.
Gravel CalculatorEstimate gravel volume, weight and cost for driveways and paths.
Gravel QuantityFree Gravel Quantity calculator with clear step-by-step results.
Gravel Volume & WeightEstimate gravel in cubic yards and tons for paths and bases.
Grout EstimateEstimate the amount of grout needed for a tiled area.
Grout QuantityEstimate grout volume for a tiled floor or wall.
Gutter CostFree Gutter Cost calculator with clear step-by-step results.
Gutter Slope CalculatorFind the correct gutter fall per metre for proper drainage.
Handrail HeightPlan railing height, length and mounting posts for stairs.
Hardwood Floor Cost CalculatorEstimate hardwood flooring material and installation cost for any room.
Hardwood Flooring CostFree Hardwood Flooring Cost calculator with clear step-by-step results.
Heat Pump PaybackFree Heat Pump Payback calculator with clear step-by-step results.
Heater BTU SizingSize a space heater by BTU for the room you want to heat.
Heater Size CalculatorCalculate the heater wattage or BTU needed for a room.
Home Backup PowerFree Home Backup Power calculator with clear step-by-step results.
Home Emergency Fund CalculatorSet a target emergency fund based on monthly expenses and income risk.
Home Energy Audit CalculatorConvert a blower door result into air changes per hour and an airtightness rating.
Home EV Charging TimeFree Home EV Charging Time calculator with clear step-by-step results.
Home Generator Size CalculatorSize a whole-home or essential-load generator for your home.
Home Heating CostEstimate the monthly cost of heating a home from its size.
Home Insurance Coverage CalculatorEstimate the dwelling coverage you need to rebuild your home.
Home Insurance EstimateEstimate annual homeowners insurance from rebuild value.
Home Maintenance BudgetBudget for upkeep using the rule-of-thumb share of home value.
Home Office Layout CalculatorPlan a home office layout for desk, chair and storage.
Home Renovation BudgetFree Home Renovation Budget calculator with clear step-by-step results.
Home Renovation Budget CalculatorBuild a renovation budget including a 10-20% contingency buffer.
Home Repair BudgetSet aside the right amount monthly for expected home repairs.
Home Security Camera CoverageDetermine how many security cameras you need to cover your property.
Home Value per Square FootFind the price per square foot of a home listing.
Home Water Bill EstimatorEstimate your monthly water bill from household size and usage habits.
Hot Tub Running Cost CalculatorEstimate monthly electricity cost to run a hot tub.
Hot Tub VolumeEstimate the water volume of a rectangular hot tub.
House Cleaning Time CalculatorEstimate how long it takes to clean a home by size and rooms.
House Painting Cost CalculatorEstimate interior or exterior painting cost including labour.
Household Chore Split CalculatorDivide household chores fairly between housemates or partners.
Household Utility CostTotal monthly electricity, water and gas bills and project yearly spend.
HVAC Load Calculator (Manual J Simplified)Estimate heating and cooling loads and equipment size for a dwelling.
HVAC Load EstimateFree HVAC Load Estimate calculator with clear step-by-step results.
HVAC Replacement CostFree HVAC Replacement Cost calculator with clear step-by-step results.
Indoor Humidity LevelCheck whether an indoor humidity reading is comfortable and healthy.
Insulation CalculatorCalculate insulation thickness and quantity to reach a target R-value.
Insulation CostFree Insulation Cost calculator with clear step-by-step results.
Insulation R-ValueCombine insulation layers into a total R-value and heat loss.
Inverter Battery Backup CalculatorCalculate how long an inverter and battery keep your load running.
Irrigation CostFree Irrigation Cost calculator with clear step-by-step results.
Joist Span EstimateEstimate a conservative floor joist span from its depth.
Kitchen Remodel Cost CalculatorEstimate kitchen renovation cost by size and quality tier.
Kitchen Renovation CostFree Kitchen Renovation Cost calculator with clear step-by-step results.
Ladder Height CalculatorFind the safe ladder length needed for a given working height.
Laundry Detergent DoseWork out the right detergent dose for your load and water hardness.
Laundry Time CalculatorWork out total laundry time including sorting, washing, drying and folding.
Lawn Installation CostFree Lawn Installation Cost calculator with clear step-by-step results.
Leak Detection Cost CalculatorEstimate the cost of a hidden plumbing leak from usage and water rate.
LED Lighting CalculatorCalculate lumens, fixture count and wattage to reach a target light level.
Light Bulb Brightness CalculatorConvert lumens, watts and lux to pick the right bulb for a room.
Lightbulb Cost vs LEDCompare the running cost of old bulbs against LEDs.
Lighting Watts per Room CalculatorEstimate the total wattage needed to light a room.
Lumber Board FeetConvert lumber size and length into board feet and cost.
Lumber CostPrice dimension lumber from board feet and per-foot rates.
Lumen per Room CalculatorFind the total lumens needed to light a room to a target lux level.
Mattress Size CalculatorCompare mattress sizes and find the best fit for your room.
MDF SheetOrder MDF panels for cabinetry and shelving work.
Mini-Split Sizing CalculatorSize ductless mini-split heads and the outdoor unit for a multi-zone system.
Mold Remediation CalculatorSize containment air changes and HEPA filtration for mould remediation.
Monthly Utility BudgetTotal your monthly utility bills and see their share of income.
Mortar MixFree Mortar Mix calculator with clear step-by-step results.
Motion Sensor PaybackEstimate savings from replacing an always-on light with a motion sensor.
Moving Box CalculatorEstimate how many moving boxes you need by room and household size.
Moving CostFree Moving Cost calculator with clear step-by-step results.
Moving Cost CalculatorEstimate moving costs from home size, distance and packing services.
Mulch CalculatorCalculate mulch volume in cubic yards and bags for any bed size and depth.
Mulch QuantityFree Mulch Quantity calculator with clear step-by-step results.
Mulch VolumeEstimate mulch in cubic yards and bags for a bed.
Mulch/Soil/Gravel CalculatorConvert a landscaping area and depth into cubic yards, bags or tonnes.
Packing Time CalculatorEstimate how many hours packing a home takes by room.
Paint CalculatorCalculate paint and primer quantities for walls, ceiling and trim.
Paint CoverageFind how many gallons of paint cover your walls and ceilings.
Paint NeededEstimate how many gallons of paint you need for room walls.
Patio CostFree Patio Cost calculator with clear step-by-step results.
Patio MaterialPavers and sand base needed for a patio project.
Paver QuantityFree Paver Quantity calculator with clear step-by-step results.
Paver WasteAdd breakage and cuts to a paver order total.
Paver/Patio CalculatorCalculate pavers, base aggregate and bedding sand for a patio.
Picket CountCount fence pickets spaced along a fence line.
Pipe Fill VolumeFind the volume and fill time of a length of pipe.
Playroom Size CalculatorEstimate playroom size needed for toys and play equipment.
Plumbing Flow RateEstimate the flow rate of a pipe from pressure and diameter.
Plywood SheetTally plywood sheets for an area with waste factored in.
Plywood SheetsCount plywood panels for wall and roof sheathing.
Pool Heating Cost CalculatorEstimate the cost to heat a swimming pool by size and temperature.
Pool Installation CostFree Pool Installation Cost calculator with clear step-by-step results.
Pool VolumeCalculate the water volume and fill cost of a swimming pool.
Pool Volume CalculatorCalculate the water volume of a pool by shape and depth.
Primer QuantityFree Primer Quantity calculator with clear step-by-step results.
Project HoursEstimate total and calendar hours for a DIY job.
Project Labor CostFree Project Labor Cost calculator with clear step-by-step results.
Project Material CostTotal material and labor cost with a waste markup.
Property TaxEstimate annual and monthly property tax from assessed value.
Radiant Floor Heat CalculatorCalculate tubing length, loop count and output for underfloor heating.
Radon Mitigation CalculatorSize a sub-slab depressurisation system and estimate the post-mitigation level.
Rafter CutFree Rafter Cut calculator with clear step-by-step results.
Rafter LengthFree Rafter Length calculator with clear step-by-step results.
Railing Post SpacingCount railing posts and check the actual spacing.
Rain Gutter CalculatorSize gutters and downspouts from roof area and rainfall intensity.
Ramp SlopeFind ramp length for a chosen slope and rise.
Rebar CalculatorCalculate rebar length, bar count and weight for a slab or footing grid.
Rebar LengthEstimate the rebar needed for a slab in both directions.
Refrigerator Running CostEstimate the annual running cost of your refrigerator.
Renovation CostEstimate a renovation budget by room type and quality.
Rental Car Fuel CostFree Rental Car Fuel Cost calculator with clear step-by-step results.
Retaining Wall BlocksFree Retaining Wall Blocks calculator with clear step-by-step results.
Retaining Wall CalculatorCalculate blocks, base aggregate and geogrid for a segmental retaining wall.
Retaining Wall CostFree Retaining Wall Cost calculator with clear step-by-step results.
Roof LoadFree Roof Load calculator with clear step-by-step results.
Roof PitchFree Roof Pitch calculator with clear step-by-step results.
Roof Repair CostFree Roof Repair Cost calculator with clear step-by-step results.
Roof Replacement CostFree Roof Replacement Cost calculator with clear step-by-step results.
Roof Shingle CalculatorCalculate the number of roof shingle bundles needed for your roof.
Roofing CalculatorCalculate roof area, squares and shingle bundles from footprint and pitch.
Roofing ShinglesFree Roofing Shingles calculator with clear step-by-step results.
Roofing SquaresFree Roofing Squares calculator with clear step-by-step results.
Room Paint CostEstimate how much paint a room needs and what it will cost.
Room Paint Needed CalculatorEstimate how much paint you need for walls and ceilings, including coats.
Room Square FootageFind the total square footage of an L-shaped or irregular room.
Room Volume CalculatorCalculate the cubic volume of a room for HVAC and fans.
Rug Size CalculatorChoose the right area rug size for a bed, sofa or dining table.
Sanding TimeEstimate how long it takes to sand a surface.
Sauna Size CalculatorPick the right sauna heater size for your sauna room.
Septic Tank CalculatorSize a septic tank and drain field from occupancy and soil percolation rate.
Shelf Spacing CalculatorPlan shelf spacing for books, decor and storage boxes.
Shingle CountEstimate the roof shingle bundles needed.
Siding CalculatorCalculate siding squares, trim and corner posts for an exterior wall.
Siding CostFree Siding Cost calculator with clear step-by-step results.
Smoke Detector Count CalculatorDetermine how many smoke detectors your home needs by floor.
Solar Panel CalculatorSize a rooftop solar array from consumption, sun hours and panel rating.
Solar Panel PaybackEstimate the payback period of a home solar installation.
Solar Panel Payback CalculatorWork out how many years solar panels take to pay back at your electricity rate.
Space Heater Cost CalculatorEstimate the running cost of a space heater per hour and month.
Square Feet to Square MetersConvert between square feet, square meters and acres.
Square Footage CalculatorMeasure area in square feet, metres or yards for any room shape, plus material cost.
Stair CalculatorDesign a code-compliant staircase: rise, run, stringer length and headroom.
Stair Rise & RunWork out step rise, run and stringer length for stairs.
Stair Riser & TreadSplit a total rise into comfortable risers and treads.
Stair StringerLay out a staircase stringer from rise and run.
Standby Generator Cost CalculatorEstimate the installed cost of a standby generator.
Standby Power CostCalculate the cost of electronics left on standby all year.
Stud CountFree Stud Count calculator with clear step-by-step results.
Stud SpacingCount wall studs and top/bottom plates for framing.
Study Room Layout CalculatorPlan a study room layout for desk, books and lighting.
Sump Pump CalculatorSize a sump pump from inflow rate, lift height and basin capacity.
Sump Pump Size CalculatorChoose the right sump pump capacity for your basement.
Tank Fill TimeFind how long a tank takes to fill at a given flow rate.
Tile AdhesiveEstimate thinset or adhesive bags for a tile job.
Tile CalculatorWork out how many tiles and boxes you need, including waste allowance and grout.
Tile CountCount the tiles needed for a floor or wall with waste.
Tile CountCount how many tiles you need for a floor or wall.
Tile Flooring CalculatorCount the tiles needed for a floor or wall including waste allowance.
Tile QuantityFree Tile Quantity calculator with clear step-by-step results.
Tile WasteInclude breakage and cuts when ordering tile.
Toilet Water UsageEstimate the water a toilet uses and the cost of its flushes.
Torque ConversionConvert torque between newton-meters and other units.
Tree Planting CostFree Tree Planting Cost calculator with clear step-by-step results.
Tree Removal CostFree Tree Removal Cost calculator with clear step-by-step results.
Trim MoldingEstimate baseboard and crown molding length for a room.
Trim PaintFigure out paint for baseboards, molding and window trim.
United States Concrete CostCalculate concrete cost from a few simple inputs in the United States.
United States Flooring CostCalculate flooring cost from a few simple inputs in the United States.
United States Home RepairCalculate home repair from a few simple inputs in the United States.
United States Paint CostCalculate paint cost from a few simple inputs in the United States.
United States Tile CostCalculate tile cost from a few simple inputs in the United States.
UPS Load Capacity CalculatorCheck if a UPS can handle your connected device load and runtime.
Utility Deposit CalculatorEstimate the deposit needed to start electricity, water or gas service.
Wall AreaFree Wall Area calculator with clear step-by-step results.
Wall Paint QuantityTurn a known wall area into gallons and cans of paint.
Wallpaper CostPrice out wallpaper rolls and any store discount.
Wallpaper QuantityFree Wallpaper Quantity calculator with clear step-by-step results.
Wallpaper RollEstimate how many wallpaper rolls a room will need.
Wallpaper Roll CalculatorWork out how many wallpaper rolls a room needs with pattern repeat matching.
Wallpaper RollsWork out how many wallpaper rolls a room requires.
Wardrobe Size CalculatorPick the right wardrobe width for your clothing collection.
Washing Machine Load CalculatorFind the right wash load size by weight for your machine.
Water Bill EstimateEstimate a monthly water bill from household usage and rate.
Water Heater CostEstimate the annual cost of heating water for your household.
Water Heater Cost CalculatorEstimate annual running cost of your water heater.
Water Heater Size CalculatorFind the right water heater tank size for your household.
Water Heater Sizing CalculatorSize a tank or tankless water heater from peak household demand.
Water Pressure DropEstimate pressure loss in a pipe from length and flow.
Well Pump CalculatorSize a submersible well pump from depth, flow demand and pressure requirement.
Window Replacement CostFree Window Replacement Cost calculator with clear step-by-step results.
Window Replacement PaybackEstimate the energy savings and payback of new windows.
Window Tint CalculatorEstimate window film needed and solar heat savings.
Window/Door CalculatorCalculate heat loss and running cost for windows and doors by U-factor.
Wire Size CalculatorSelect conductor size from current, run length and voltage drop limit.
Wiring Voltage DropEstimate the voltage drop over a length of wire.
Wood Stain CoverageEstimate how much wood stain a deck or fence needs.
Woodworking MaterialConvert a project's boards into board feet and cost.
Workbench Height CalculatorFind the ergonomic workbench height for your own height.