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Construction & DIY Calculators

Concrete, gravel, mulch, paint, tile and lumber calculators for estimating exactly how much material a project needs.

100 calculatorsMaterial volume, coverage & project estimates

Most popular

Concrete CalculatorCalculate how much concrete you need for a slab in cubic yards and 80lb bags.Paint CalculatorCalculate how many gallons of paint you need for a room.Gravel CalculatorCalculate how many cubic yards and tons of gravel, sand, or topsoil you need for a project.Roofing CalculatorCalculate roofing squares and shingle bundles needed from your roof's footprint and pitch.

All calculators

Mulch & Soil CalculatorCalculate how many cubic yards of mulch or soil you need for a garden bed.
Tile CalculatorCalculate how many tiles you need to cover a floor or wall, including waste.
Lumber / Board Feet CalculatorCalculate board feet for lumber from thickness, width, and length - the standard unit lumber is priced and sold by.
Drywall CalculatorCalculate how many drywall sheets you need for a wall or ceiling area, including waste.
Fence CalculatorCalculate how many posts and rails you need for a fence from its total length.
Insulation CalculatorCalculate how many insulation batts you need for a wall, floor, or attic area.
Wallpaper CalculatorCalculate how many double rolls of wallpaper you need for a wall area.
Stair CalculatorCalculate the number of steps, riser height, and stringer length for a staircase from its total rise.
Paver CalculatorCalculate how many pavers you need for a patio or walkway.
Deck Board CalculatorCalculate how many deck boards you need to cover a deck's surface area.
Concrete Block (CMU) CalculatorCalculate how many standard 8×8×16 concrete blocks you need for a wall.
Wall Framing Stud CalculatorCalculate how many studs you need to frame a wall at standard on-center spacing.
Rebar CalculatorCalculate how much rebar you need for a concrete slab based on grid spacing.
Brick CalculatorCalculate how many bricks you need for a wall based on its area.
Baseboard CalculatorCalculate the linear feet of baseboard trim needed for a room, accounting for doorways.
Crown Molding CalculatorCalculate the linear feet of crown molding needed for a room.
Carpet CalculatorCalculate how many square yards of carpet you need for a room.
Laminate Flooring CalculatorCalculate how many boxes of laminate flooring you need for a room.
Hardwood Flooring CalculatorCalculate how many square feet of hardwood flooring you need, including waste.
Vinyl Plank Flooring CalculatorCalculate how many boxes of vinyl plank (LVP) flooring you need for a room.
Gutter CalculatorCalculate the linear feet of gutter needed based on your roof's eave length.
Siding CalculatorCalculate how many squares of siding you need for your home's exterior walls.
Sod CalculatorCalculate how many pallets or rolls of sod you need for a lawn area.
Retaining Wall Block CalculatorCalculate how many blocks you need for a retaining wall based on its length and height.
Driveway CalculatorEstimate the material volume and cost for a concrete or asphalt driveway.
Mortar CalculatorCalculate how many bags of mortar mix you need for a brick or block project.
Plywood Sheathing CalculatorCalculate how many 4×8 sheets of plywood or OSB you need for a roof or wall area.
Asphalt CalculatorCalculate the tonnage of asphalt needed for a driveway or parking area.
Stucco CalculatorCalculate how many bags of stucco mix you need for an exterior wall area.
HVAC BTU CalculatorEstimate the air conditioner or heater BTU output needed for a room based on square footage.
Countertop CalculatorCalculate the square footage and estimated cost of a kitchen or bathroom countertop.
Deck Footing Concrete CalculatorCalculate how much concrete you need for deck post footings.
Combined R-Value CalculatorCalculate the total R-value of a wall or roof assembly from its individual layers.
Post Hole Concrete CalculatorCalculate how much concrete you need to set fence, deck or mailbox posts.
Paver Base Material CalculatorCalculate the gravel and sand base material needed under a paver patio or walkway.
Landscape Edging CalculatorCalculate the linear feet of edging needed for a garden bed or lawn border.
Fascia Board CalculatorCalculate the linear feet of fascia board needed around your roofline.
Stair Railing CalculatorCalculate the length of handrail and number of balusters needed for a staircase.
Epoxy Floor Coating CalculatorCalculate how much epoxy coating you need for a garage or basement floor.
Wood Stain CalculatorCalculate how much stain you need for a deck, fence or wood siding project.
Downspout CalculatorEstimate how many downspouts you need based on your roof's drainage area.
Drywall Joint Compound CalculatorEstimate how much joint compound (mud) you need to finish drywall seams for a room.
Drywall Screws CalculatorCalculate how many drywall screws you need based on the number of sheets and stud spacing.
Paint Primer CalculatorCalculate how much primer you need before painting a wall, based on surface area and primer coverage.
Chain Link Fence CalculatorCalculate the materials needed for a chain link fence, including posts, fabric, and top rail.
Vinyl Fence Panel CalculatorCalculate the number of vinyl fence panels and posts needed for a given fence length.
Exterior Caulk CalculatorEstimate how many tubes of caulk you need for sealing windows, doors, and trim.
Weatherstripping CalculatorCalculate how much weatherstripping you need to seal doors and windows.
Attic Ventilation CalculatorCalculate the required net free ventilation area for your attic based on attic floor square footage.
Soffit CalculatorCalculate the amount of soffit panel material needed for your roof's overhang.
Exterior Trim CalculatorCalculate the linear feet of exterior trim boards needed for windows, doors, and corners.
Door Casing CalculatorCalculate the linear feet of interior door casing (trim) needed for a given number of doors.
Window Casing CalculatorCalculate the linear feet of interior window casing (trim) needed for a given number of windows.
Shed Foundation CalculatorCalculate the concrete needed for a simple slab foundation for a shed or small outbuilding.
Paver Edge Restraint CalculatorCalculate the linear feet of edge restraint needed around the perimeter of a paver patio or walkway.
Paver Sand Bed CalculatorCalculate the bedding sand needed under a paver patio or walkway, separate from the base layer.
Topsoil CalculatorCalculate how much topsoil you need to fill a garden bed or level an area of yard.
Compost Soil Amendment CalculatorCalculate how much compost to mix into an existing garden bed based on your target amendment ratio.
French Drain Materials CalculatorCalculate the gravel and pipe needed for a French drain trench.
Sump Pump Sizing CalculatorCalculate the pump capacity (GPM) needed for a sump pump based on your basement's water intake rate.
Septic Tank Sizing CalculatorEstimate the recommended septic tank size based on the number of bedrooms in a home.
Well Pump Sizing CalculatorEstimate the pump capacity needed for a residential well based on fixture count and peak demand.
Roof Underlayment CalculatorCalculate the rolls of roofing underlayment needed based on roof area.
Roof Pitch CalculatorConvert between roof pitch notation (X:12), degrees, and percentage slope.
Rafter Length CalculatorCalculate the length of a common roof rafter based on the roof's run and pitch.
Floor Joist Span Reference CalculatorGet a general reference for maximum recommended floor joist span based on lumber size and spacing.
Concrete Cure Time CalculatorEstimate how long concrete needs to cure before it reaches typical strength milestones.
Concrete Mix Ratio CalculatorCalculate the cement, sand, and gravel proportions needed for a hand-mixed concrete batch by volume.
Self-Leveling Concrete CalculatorCalculate the self-leveling underlayment needed to level an uneven floor before installing flooring.
Tile Grout CalculatorCalculate how much grout you need based on tile size, joint width, and total area.
Tile Adhesive (Thinset) CalculatorCalculate how much thinset mortar adhesive you need for a tile installation.
Subfloor Plywood CalculatorCalculate the sheets of plywood or OSB subfloor needed for a floor area.
Drop Ceiling Tile CalculatorCalculate the ceiling tiles and grid components needed for a drop (suspended) ceiling.
Chair Rail CalculatorCalculate the linear feet of chair rail molding needed for a room's perimeter.
Wainscoting CalculatorCalculate the panels and materials needed for a wainscoting wall treatment.
Landscape Fabric CalculatorCalculate how much landscape fabric (weed barrier) you need for a garden bed or mulched area.
Gravel Path CalculatorCalculate the gravel needed for a garden path or walkway.
Fire Pit Paver CalculatorCalculate the number of retaining wall blocks needed to build a circular fire pit ring.
Baluster Spacing CalculatorCalculate baluster (spindle) spacing and count for a stair railing or deck railing that meets standard code spacing.
Insulation Batt Count CalculatorCalculate how many standard-size insulation batts you need for a wall or attic area.
Spray Foam Insulation CalculatorEstimate the spray foam kit size needed based on area, cavity depth, and foam type.
Gutter Guard CalculatorCalculate how many linear feet of gutter guard you need based on your total gutter run.
Flagstone Patio CalculatorCalculate the flagstone tonnage needed for a patio based on area and stone thickness.
Riprap Erosion Control CalculatorCalculate the tonnage of riprap stone needed for slope or channel erosion control.
Culvert Pipe Sizing CalculatorEstimate the minimum culvert pipe diameter needed to handle a drainage area's peak flow.
Concrete Expansion Joint Spacing CalculatorCalculate the recommended spacing and number of control joints needed for a concrete slab.
Sill Plate Anchor Bolt Spacing CalculatorCalculate the number of anchor bolts needed to secure a sill plate to a concrete foundation.
Exterior Corner Trim CalculatorCalculate the linear feet of corner trim boards needed for a building's exterior corners.
Polymeric Sand CalculatorCalculate how much polymeric sand you need to fill the joints of a paver patio or walkway.
Driveway Sealer CalculatorCalculate how much asphalt or concrete sealer you need for your driveway.
Pea Gravel CalculatorCalculate how much pea gravel you need for a garden bed, path, or drainage area.
Window Well Gravel CalculatorCalculate the drainage gravel needed to fill a basement window well.
Retaining Wall Drainage Gravel CalculatorCalculate the drainage gravel needed behind a retaining wall to relieve hydrostatic pressure.
Asphalt Sealcoat Mix Ratio CalculatorCalculate the sand additive needed when mixing a concentrated asphalt sealcoat product.
Raised Garden Bed Soil Volume CalculatorCalculate the soil volume needed to fill a raised garden bed of any size.
Epoxy Garage Floor Kit CalculatorCalculate how many epoxy coating kits you need for a garage floor based on square footage.

About Construction & DIY Calculators

Ordering too little material means a second trip to the store; ordering too much wastes money. These calculators use the same volume and coverage math contractors use - cubic yards for concrete and gravel, coverage rates for paint and tile, board feet for lumber - so your estimate matches what the project actually needs.