Eqnify
🏗️

Construction Calculators

159 calculators for concrete, roofing, materials, home improvement, and more

Board Foot Calculator

Calculate board feet of lumber for pricing and estimation.

Concrete Block Calculator

Calculate the number of concrete blocks needed for a wall.

Concrete Calculator

Calculate cubic yards of concrete needed for slabs, footings, or columns.

Concrete Column Calculator

Calculate concrete volume for round columns and footings. Estimate concrete needed for construction projects with accurate column calculations.

Construction Material Calculator

Calculate concrete, gravel, and mulch needed for your project. Enter dimensions to estimate bags, cubic yards, and tons required.

Cubic Yard Calculator

Calculate volume in cubic yards from length, width, and depth measurements.

Deck Material Calculator

Calculate materials needed for building a deck. Estimate deck boards, joists, and hardware for your outdoor decking project.

Drywall Calculator

Estimate the number of drywall sheets needed for walls and ceilings.

Fence Calculator

Estimate materials needed for a fence: posts, rails, and pickets.

Fencing Calculator

Calculate materials needed for a privacy fence. Estimate fence posts, rails, and pickets based on your property perimeter.

Flooring Calculator

Calculate how much flooring material you need including waste allowance. Estimate laminate, hardwood, or tile for any room size.

Gravel Calculator

Calculate tons of gravel, crushed stone, or rock needed for a project.

Lumber Calculator

Calculate board feet and total cost for dimensional lumber.

Paint Calculator

Calculate how much paint you need for a room. Estimate gallons of paint based on wall area, doors, windows, and number of coats.

Painting Calculator

Estimate gallons of paint needed to paint a room's walls and ceiling.

Paver Calculator

Calculate number of pavers needed for a patio, walkway, or driveway.

Pipe Volume Calculator

Calculate the volume of water or fluid inside a pipe or cylindrical tank. V = πr²h

Plywood Calculator

Calculate number of plywood sheets needed for a project.

Rafter Length Calculator

Calculate rafter length from building span, ridge thickness, and roof pitch.

Rebar Calculator

Calculate rebar quantity, weight, and spacing for concrete slabs and walls.

Roofing Calculator

Calculate roofing squares and materials needed for a roof.

Sod Calculator

Calculate how many pallets of sod you need for your lawn. Estimate grass sod quantity for landscaping and lawn installation projects.

Square Footage Calculator

Calculate area of a rectangle, circle, or triangle and convert to square feet.

Stair Calculator

Calculate stair tread and riser dimensions using building code formulas.

Tile Calculator

Calculate number of tiles needed for floors or walls including waste factor.

Wallpaper Calculator

Calculate how many rolls of wallpaper you need for a room.