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2x2xTools

Construction

Material quantity and cost calculators for building and renovation.

All Construction calculators

Concrete Quantity Calculator

Estimate cement, sand and aggregate needed for a concrete slab.

Paint Quantity Calculator

Estimate how much paint you need for a wall area.

Tile Quantity Calculator

Estimate how many tiles you need for a room, including wastage.

Stair Calculator

Calculate riser height, total run and stringer length for a staircase.

Roofing Calculator

Calculate actual roof area and shingle bundles needed, accounting for pitch.

Gravel & Mulch Calculator

Calculate the volume and bags of gravel, mulch, topsoil or sand needed.

Brick & Block Calculator

Calculate the number of bricks or concrete blocks needed for a wall.

Plaster Quantity Calculator

Calculate cement and sand needed for wall plastering.

Excavation Volume Calculator

Calculate excavation volume and truck loads needed for hauling.

Reinforcement Steel Calculator

Estimate reinforcement steel weight needed for a concrete structural element.

Water Tank Capacity Calculator

Calculate the capacity of a cylindrical or rectangular water tank.

HVAC / BTU Calculator

Calculate the AC/HVAC size needed for a room based on area and climate.

Electrical Load Calculator

Calculate current draw and recommended breaker size from connected electrical load.

Solar Panel Requirement Calculator

Calculate how many solar panels you need based on daily energy usage.

Insulation Calculator

Find the required insulation thickness and volume for a target R-value.

Flooring Calculator

Calculate how many boxes of flooring you need, with a wastage allowance.

Fence Calculator

Calculate how many fence posts and rails you need for a given length.

Drywall Calculator

Calculate how many drywall sheets you need, with a waste allowance.

Lumber / Board Feet Calculator

Calculate board feet of lumber needed from dimensions and piece count.

Roof Pitch Calculator

Calculate roof pitch, angle and slope factor from rise and run.

Asphalt Driveway Calculator

Estimate the tons of asphalt needed for a driveway or paved area.

Retaining Wall Calculator

Calculate how many blocks you need to build a retaining wall.

Wall Framing Calculator

Calculate how many wall studs you need from wall length and stud spacing.

Cement Mortar Mix Calculator

Calculate cement bags and sand needed for a mortar mix ratio.

Deck Calculator

Calculate decking boards and joists needed for a deck.

Siding Calculator

Calculate how many siding panels you need for an exterior wall area.

Gutter Calculator

Calculate gutter length and downspouts needed from roof perimeter.

Wallpaper Calculator

Calculate how many wallpaper rolls you need for a wall area.

Frequently asked questions