🔨
Category
Construction
284 calculators
🧮Concrete Calculator — WebCalcSysEstimate concrete volume for slabs, columns, and tubes. Free online concrete calculator.
🧮Paint Calculator — WebCalcSysEstimate how much paint you need for your room. Free online paint calculator.
🧮Square Footage Calculator — WebCalcSysCalculate area in square feet for rectangles, squares, circles, and triangles. Free online area calculator.
📏Board Foot CalculatorCalculate board feet from lumber dimensions.
📐Cubic Yard CalculatorCalculate cubic yards from length, width, and depth.
🪣Gallons per Square Foot CalculatorCalculate gallons needed per square foot of coverage.
📦Size to Weight Calculator (Rectangular Box)Estimate weight of a rectangular box from dimensions and density.
📐Square Feet to Cubic Yards CalculatorConvert square feet to cubic yards given a depth.
📐Square Yards CalculatorConvert square feet to square yards.
🪨Aluminum Weight CalculatorCalculate aluminum sheet or plate weight.
balusters = railing / spacingBaluster CalculatorCalculate number of balusters needed for a railing.
boards = wall / spacingBoard and Batten CalculatorCalculate boards and battens for wall treatment.
🧱Brick CalculatorEstimate number of bricks for a wall.
🪵Decking CalculatorEstimate decking boards and materials.
🏠DIY Shed Cost CalculatorEstimate materials cost for building a shed.
🧱Drywall CalculatorEstimate drywall sheets needed for a room.
🔥Fire Glass CalculatorEstimate fire glass weight for a fire pit or fireplace.
🪵Framing CalculatorEstimate lumber needed for wall framing.
💧French Drain CalculatorEstimate materials for a french drain system.
🪟Glass Weight CalculatorCalculate glass weight from dimensions and thickness.
🪨Gravel CalculatorEstimate gravel volume needed for a project.
🪨Limestone CalculatorEstimate limestone rock needed for landscaping.
🪵Log Weight CalculatorEstimate weight of a cylindrical log.
🪵Lumber CalculatorCalculate board feet and cost of lumber.
⚙️Metal Weight CalculatorCalculate weight of flat metal stock.
🔧Pipe Weight CalculatorCalculate weight of a pipe from dimensions.
⚙️Plate Weight CalculatorCalculate weight of a steel or metal plate.
❓Quiz: Stone CalculatorTest your stone weight estimation skills.
❓Quiz: Pipe Weight CalculatorTest your pipe weight estimation skills.
#️⃣Rebar CalculatorEstimate rebar needed for a concrete slab.
🧱Retaining Wall CalculatorEstimate blocks and materials for a retaining wall.
🪨Rip Rap CalculatorEstimate rip rap stone needed for erosion control.
🪨River Rock CalculatorEstimate river rock needed for landscaping.
🔧Rolling Offset CalculatorCalculate pipe rolling offset travel and fitting angles.
📐SAG Calculator (Sagitta Calculator)Calculate sagitta (arc height) of a circle segment.
🏖️Sand CalculatorEstimate sand volume needed.
🧴Sealant CalculatorEstimate sealant or caulk needed for joints.
🛢️Sonotube CalculatorCalculate concrete needed for cylindrical columns.
📏Spindle Spacing CalculatorCalculate equal spindle spacing for railings.
🏛️Spiral Staircase CalculatorEstimate materials for a spiral staircase.
⚙️Steel Plate Weight CalculatorCalculate steel plate weight from dimensions.
⚙️Steel Weight CalculatorCalculate weight of various steel shapes.
🪨Stone Weight CalculatorEstimate stone weight from dimensions.
🧱Tile CalculatorEstimate number of tiles for a floor or wall.
🪨Tonnage CalculatorEstimate total tonnage of material from volume.
🏡Vinyl Fence CalculatorEstimate vinyl fence panels and posts needed.
🏠Vinyl Siding CalculatorEstimate vinyl siding for a house.
📐Wall Square Footage CalculatorCalculate wall area minus openings.
🏗️Cement CalculatorCalculate cement bags needed for a project.
🧱Concrete Block CalculatorEstimate concrete blocks for a wall.
🧱Concrete Block Fill CalculatorEstimate fill volume for concrete blocks.
🏗️Concrete Column CalculatorEstimate concrete for round or square columns.
🏗️Concrete Stairs CalculatorEstimate concrete volume for stairs.
🛢️Concrete Estimator - TubeEstimate concrete for cylindrical tube forms.
🏗️Concrete Weight CalculatorCalculate weight of a concrete structure.
🧴Grout CalculatorEstimate grout needed for tile installation.
🕳️Hole Volume CalculatorCalculate volume of a cylindrical hole.
🧱Mortar CalculatorEstimate mortar needed for brick or block laying.
🧴Thinset CalculatorEstimate thinset mortar for tile installation.
❄️AC Tonnage CalculatorEstimate AC tonnage needed for a room or house.
💨Air Changes per Hour CalculatorCalculate how many times air is exchanged per hour.
❄️Air Conditioner BTU CalculatorEstimate BTU cooling needed for a room.
🏛️Arch CalculatorCalculate arch dimensions and layout points.
🔥Boiler Size CalculatorEstimate boiler BTU needed for home heating.
🟫Carpet CalculatorEstimate carpet needed for a room.
🐔Chicken Coop Size CalculatorCalculate minimum chicken coop size.
🔧Clearance Hole CalculatorCalculate recommended clearance hole size for bolts.
🪵Deck Stain CalculatorEstimate stain or sealer needed for a deck.
🧴Epoxy CalculatorEstimate epoxy resin needed for a project.
🏡Fence CalculatorEstimate fence materials: posts, rails, and pickets.
📐Rectangle Fence Perimeter CalculatorCalculate fencing needed for a rectangular area.
🏡Fence Post Depth CalculatorCalculate recommended fence post depth.
🏠Floor Area Ratio CalculatorCalculate floor area ratio (FAR) for zoning.
🏠Flooring CalculatorEstimate flooring material needed for a room.
🔥Furnace Size CalculatorEstimate furnace BTU capacity needed.
🔥Heat Loss CalculatorEstimate building heat loss through walls and windows.
🏡Hoop House CalculatorEstimate materials for a hoop house/greenhouse.
🪜Ladder Angle CalculatorCalculate safe ladder angle and reach.
🧱Paver CalculatorEstimate pavers needed for a patio or walkway.
🏖️Paver Sand CalculatorEstimate sand needed under pavers.
🪵Plywood CalculatorEstimate plywood sheets needed.
♿Ramp CalculatorCalculate ramp length needed for a given rise.
🪵Shiplap CalculatorEstimate shiplap boards needed for a wall.
🏠Siding CalculatorEstimate siding material for a house.
📐Square Yard CalculatorConvert square feet to square yards.
🟫Stair Carpet CalculatorEstimate carpet needed for stairs.
🏛️Stair CalculatorCalculate stair dimensions: rise, run, stringer.
🏠Wainscoting CalculatorEstimate wainscoting panels and trim.
🏠Wallpaper CalculatorEstimate wallpaper rolls needed.
🏠Birdsmouth Cut CalculatorCalculate birdsmouth cut dimensions on rafters.
🏠Gambrel Roof CalculatorCalculate gambrel (barn) roof dimensions.
🏠Metal Roof Cost CalculatorEstimate cost of metal roofing.
📏Rafter Length CalculatorCalculate rafter length from span and pitch.
🏠Roofing CalculatorEstimate roofing materials (shingles, underlayment).
📐Roof Pitch CalculatorCalculate roof pitch from rise and run.
🏠Roof Shingle CalculatorEstimate shingles and accessories.
🏠Roof Truss CalculatorEstimate roof truss count and spacing.
❄️Snow Load CalculatorCalculate roof snow load from ground snow load.
🛣️Asphalt CalculatorEstimate asphalt needed for a driveway.
🛣️Concrete Driveway Cost CalculatorEstimate concrete driveway cost.
🪨Crushed Stone CalculatorEstimate crushed stone base needed.
🛣️Gravel Driveway CalculatorEstimate gravel for a driveway.
🛣️Road Base CalculatorEstimate road base material for driveways.
🚒Fire Flow CalculatorEstimate required fire flow for a structure.
💧Gallons Per Minute Calculator (GPM)Calculate flow rate from gallon collection.
💧Liters per Minute CalculatorCalculate flow rate in L/min from volume and time.
🔧Pipe Volume CalculatorCalculate volume of water in a pipe.
🏊Pond CalculatorEstimate pond volume from dimensions.
🏊Pool CalculatorEstimate pool water volume.
🛢️Tank Volume CalculatorCalculate tank volume in gallons.
🏗️Beam Load CalculatorCalculate load on a simple supported beam.
⚙️Bending Stress CalculatorCalculate bending stress in a beam.
🔧Bolt Torque CalculatorCalculate bolt torque from tension and diameter.
⚡Box Fill CalculatorCalculate electrical box fill capacity.
⚙️Carbon Equivalent CalculatorCalculate carbon equivalent for welding steel.
💨CFM CalculatorCalculate cubic feet per minute airflow needed.
🏠Door Header Size CalculatorEstimate required door header size.
🏠Floor Joist CalculatorCalculate floor joist size and spacing.
⚡Junction Box Sizing CalculatorCalculate required junction box size.
🏠Insulation CalculatorEstimate insulation needed for a space.
⚙️K-Factor CalculatorCalculate K-factor for sheet metal bending.
⚙️Material Removal Rate CalculatorCalculate material removal rate for machining.
🔧Pitch Diameter CalculatorCalculate pitch diameter for threading.
⚙️Punch Force CalculatorCalculate force needed for punching a hole.
❓Quiz: Beam Load CalculatorTest your beam load estimation.
🔧Rivet Size CalculatorRecommend rivet size based on material thickness.
⚙️Spindle Speed CalculatorCalculate spindle RPM for machining.
🔧Taper CalculatorCalculate taper per foot from dimensions.
🔧Thread CalculatorCalculate thread dimensions.
🔧Thread Pitch CalculatorCalculate threads per inch (TPI) from pitch.
⚙️True Position CalculatorCalculate true position tolerance.
🔧Welding CalculatorCalculate weld strength and size.
🏠Wood Beam Span CalculatorEstimate maximum span for a wood beam.
📐Angle Cut CalculatorCalculate miter angle and bevel for compound cuts.
📐Angle of Depression CalculatorCalculate angle of depression from height and distance.
🔧Bolt Circle CalculatorCalculate bolt hole coordinates on a bolt circle.
🪵Bowl Segment CalculatorCalculate wood turning bowl segment dimensions.
🔧Countersink Depth CalculatorCalculate countersink depth from screw head angle and diameter.
📐Elevation Grade CalculatorCalculate slope grade percentage from rise and run.
📐Miter Angle CalculatorCalculate miter saw angle for corner cuts.
🐴Round Pen CalculatorCalculate panels and diameter for a round pen.
📐Vertical Curve CalculatorCalculate vertical curve elevations for road design.
📏Board Foot CalculatorCalculate board feet from lumber dimensions.
📐Cubic Yard CalculatorCalculate cubic yards from length, width, and depth.
📐Square Feet to Cubic Yards CalculatorConvert square feet to cubic yards given a depth.
📦Size to Weight Calculator (Rectangular Box)Estimate weight of a rectangular box from dimensions and density.
🪨Aluminum Weight CalculatorCalculate aluminum sheet or plate weight.
🪟Glass Weight CalculatorCalculate glass weight from dimensions and thickness.
🪵Log Weight CalculatorEstimate weight of a cylindrical log.
⚙️Metal Weight CalculatorCalculate weight of flat metal stock.
⚙️Plate Weight CalculatorCalculate weight of a steel or metal plate.
⚙️Steel Plate Weight CalculatorCalculate steel plate weight from dimensions.
⚙️Steel Weight CalculatorCalculate weight of various steel shapes.
🪨Stone Weight CalculatorEstimate stone weight from dimensions.
🧮Concrete Calculator — WebCalcSysEstimate concrete volume for slabs, columns, and tubes. Free online concrete calculator.
🏗️Cement CalculatorCalculate cement bags needed for a project.
🧱Concrete Block CalculatorEstimate concrete blocks for a wall.
🧱Concrete Block Fill CalculatorEstimate fill volume for concrete blocks.
🏗️Concrete Column CalculatorEstimate concrete for round or square columns.
🏗️Concrete Stairs CalculatorEstimate concrete volume for stairs.
🛢️Concrete Estimator - TubeEstimate concrete for cylindrical tube forms.
🏗️Concrete Weight CalculatorCalculate weight of a concrete structure.
🧴Grout CalculatorEstimate grout needed for tile installation.
🧱Mortar CalculatorEstimate mortar needed for brick or block laying.
🛣️Concrete Driveway Cost CalculatorEstimate concrete driveway cost.
🧮Paint Calculator — WebCalcSysEstimate how much paint you need for your room. Free online paint calculator.
🧱Tile CalculatorEstimate number of tiles for a floor or wall.
🏠Wallpaper CalculatorEstimate wallpaper rolls needed.
🏠Gambrel Roof CalculatorCalculate gambrel (barn) roof dimensions.
🏠Metal Roof Cost CalculatorEstimate cost of metal roofing.
🏠Roofing CalculatorEstimate roofing materials (shingles, underlayment).
📐Roof Pitch CalculatorCalculate roof pitch from rise and run.
🏠Roof Shingle CalculatorEstimate shingles and accessories.
🏠Roof Truss CalculatorEstimate roof truss count and spacing.
🛣️Asphalt CalculatorEstimate asphalt needed for a driveway.
🛣️Gravel Driveway CalculatorEstimate gravel for a driveway.
🔧Pipe Weight CalculatorCalculate weight of a pipe from dimensions.
❓Quiz: Pipe Weight CalculatorTest your pipe weight estimation skills.
🚒Fire Flow CalculatorEstimate required fire flow for a structure.
🔧Pipe Volume CalculatorCalculate volume of water in a pipe.
🛢️Tank Volume CalculatorCalculate tank volume in gallons.
🧱Brick CalculatorEstimate number of bricks for a wall.
🪵Lumber CalculatorCalculate board feet and cost of lumber.
#️⃣Rebar CalculatorEstimate rebar needed for a concrete slab.
🧮Square Footage Calculator — WebCalcSysCalculate area in square feet for rectangles, squares, circles, and triangles. Free online area calculator.
🪣Gallons per Square Foot CalculatorCalculate gallons needed per square foot of coverage.
📐Square Yards CalculatorConvert square feet to square yards.
balusters = railing / spacingBaluster CalculatorCalculate number of balusters needed for a railing.
boards = wall / spacingBoard and Batten CalculatorCalculate boards and battens for wall treatment.
🪵Decking CalculatorEstimate decking boards and materials.
🏠DIY Shed Cost CalculatorEstimate materials cost for building a shed.
🧱Drywall CalculatorEstimate drywall sheets needed for a room.
🔥Fire Glass CalculatorEstimate fire glass weight for a fire pit or fireplace.
🪵Framing CalculatorEstimate lumber needed for wall framing.
💧French Drain CalculatorEstimate materials for a french drain system.
🪨Gravel CalculatorEstimate gravel volume needed for a project.
🪨Limestone CalculatorEstimate limestone rock needed for landscaping.
❓Quiz: Stone CalculatorTest your stone weight estimation skills.
🧱Retaining Wall CalculatorEstimate blocks and materials for a retaining wall.
🪨Rip Rap CalculatorEstimate rip rap stone needed for erosion control.
🪨River Rock CalculatorEstimate river rock needed for landscaping.
🔧Rolling Offset CalculatorCalculate pipe rolling offset travel and fitting angles.
📐SAG Calculator (Sagitta Calculator)Calculate sagitta (arc height) of a circle segment.
🏖️Sand CalculatorEstimate sand volume needed.
🧴Sealant CalculatorEstimate sealant or caulk needed for joints.
🛢️Sonotube CalculatorCalculate concrete needed for cylindrical columns.
📏Spindle Spacing CalculatorCalculate equal spindle spacing for railings.
🏛️Spiral Staircase CalculatorEstimate materials for a spiral staircase.
🪨Tonnage CalculatorEstimate total tonnage of material from volume.
🏡Vinyl Fence CalculatorEstimate vinyl fence panels and posts needed.
🏠Vinyl Siding CalculatorEstimate vinyl siding for a house.
📐Wall Square Footage CalculatorCalculate wall area minus openings.
🕳️Hole Volume CalculatorCalculate volume of a cylindrical hole.
🧴Thinset CalculatorEstimate thinset mortar for tile installation.
❄️AC Tonnage CalculatorEstimate AC tonnage needed for a room or house.
💨Air Changes per Hour CalculatorCalculate how many times air is exchanged per hour.
❄️Air Conditioner BTU CalculatorEstimate BTU cooling needed for a room.
🏛️Arch CalculatorCalculate arch dimensions and layout points.
🔥Boiler Size CalculatorEstimate boiler BTU needed for home heating.
🟫Carpet CalculatorEstimate carpet needed for a room.
🐔Chicken Coop Size CalculatorCalculate minimum chicken coop size.
🔧Clearance Hole CalculatorCalculate recommended clearance hole size for bolts.
🪵Deck Stain CalculatorEstimate stain or sealer needed for a deck.
🧴Epoxy CalculatorEstimate epoxy resin needed for a project.
🏡Fence CalculatorEstimate fence materials: posts, rails, and pickets.
📐Rectangle Fence Perimeter CalculatorCalculate fencing needed for a rectangular area.
🏡Fence Post Depth CalculatorCalculate recommended fence post depth.
🏠Floor Area Ratio CalculatorCalculate floor area ratio (FAR) for zoning.
🏠Flooring CalculatorEstimate flooring material needed for a room.
🔥Furnace Size CalculatorEstimate furnace BTU capacity needed.
🔥Heat Loss CalculatorEstimate building heat loss through walls and windows.
🏡Hoop House CalculatorEstimate materials for a hoop house/greenhouse.
🪜Ladder Angle CalculatorCalculate safe ladder angle and reach.
🧱Paver CalculatorEstimate pavers needed for a patio or walkway.
🏖️Paver Sand CalculatorEstimate sand needed under pavers.
🪵Plywood CalculatorEstimate plywood sheets needed.
♿Ramp CalculatorCalculate ramp length needed for a given rise.
🪵Shiplap CalculatorEstimate shiplap boards needed for a wall.
🏠Siding CalculatorEstimate siding material for a house.
📐Square Yard CalculatorConvert square feet to square yards.
🟫Stair Carpet CalculatorEstimate carpet needed for stairs.
🏛️Stair CalculatorCalculate stair dimensions: rise, run, stringer.
🏠Wainscoting CalculatorEstimate wainscoting panels and trim.
🏠Birdsmouth Cut CalculatorCalculate birdsmouth cut dimensions on rafters.
📏Rafter Length CalculatorCalculate rafter length from span and pitch.
❄️Snow Load CalculatorCalculate roof snow load from ground snow load.
🪨Crushed Stone CalculatorEstimate crushed stone base needed.
🛣️Road Base CalculatorEstimate road base material for driveways.
💧Gallons Per Minute Calculator (GPM)Calculate flow rate from gallon collection.
💧Liters per Minute CalculatorCalculate flow rate in L/min from volume and time.
🏊Pond CalculatorEstimate pond volume from dimensions.
🏊Pool CalculatorEstimate pool water volume.
🏗️Beam Load CalculatorCalculate load on a simple supported beam.
⚙️Bending Stress CalculatorCalculate bending stress in a beam.
🔧Bolt Torque CalculatorCalculate bolt torque from tension and diameter.
⚡Box Fill CalculatorCalculate electrical box fill capacity.
⚙️Carbon Equivalent CalculatorCalculate carbon equivalent for welding steel.
💨CFM CalculatorCalculate cubic feet per minute airflow needed.
🏠Door Header Size CalculatorEstimate required door header size.
🏠Floor Joist CalculatorCalculate floor joist size and spacing.
⚡Junction Box Sizing CalculatorCalculate required junction box size.
🏠Insulation CalculatorEstimate insulation needed for a space.
⚙️K-Factor CalculatorCalculate K-factor for sheet metal bending.
⚙️Material Removal Rate CalculatorCalculate material removal rate for machining.
🔧Pitch Diameter CalculatorCalculate pitch diameter for threading.
⚙️Punch Force CalculatorCalculate force needed for punching a hole.
❓Quiz: Beam Load CalculatorTest your beam load estimation.
🔧Rivet Size CalculatorRecommend rivet size based on material thickness.
⚙️Spindle Speed CalculatorCalculate spindle RPM for machining.
🔧Taper CalculatorCalculate taper per foot from dimensions.
🔧Thread CalculatorCalculate thread dimensions.
🔧Thread Pitch CalculatorCalculate threads per inch (TPI) from pitch.
⚙️True Position CalculatorCalculate true position tolerance.
🔧Welding CalculatorCalculate weld strength and size.
🏠Wood Beam Span CalculatorEstimate maximum span for a wood beam.
📐Angle Cut CalculatorCalculate miter angle and bevel for compound cuts.
📐Angle of Depression CalculatorCalculate angle of depression from height and distance.
🔧Bolt Circle CalculatorCalculate bolt hole coordinates on a bolt circle.
🪵Bowl Segment CalculatorCalculate wood turning bowl segment dimensions.
🔧Countersink Depth CalculatorCalculate countersink depth from screw head angle and diameter.
📐Elevation Grade CalculatorCalculate slope grade percentage from rise and run.
📐Miter Angle CalculatorCalculate miter saw angle for corner cuts.
🐴Round Pen CalculatorCalculate panels and diameter for a round pen.
📐Vertical Curve CalculatorCalculate vertical curve elevations for road design.