Home & Garden Calculators

Construction & Renovation

Paint, tiles, concrete, flooring, and room size calculators.

Home & Garden Calculators

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9 tools

Inputs

Room size, Ceiling height, Length, Width

Showing 9 tools

Construction & Renovation

Home & Garden Calculators
Construction & Renovation

BTU Calculator

Estimate room cooling capacity from floor area, ceiling height, sun exposure, and occupants, then compare the BTU result with the equivalent tons and suggested AC size.

Room sizeCeiling heightNumber of occupants
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Construction & Renovation

Concrete Calculator

Convert slab dimensions into concrete volume, add a waste allowance, and estimate bag counts before ordering material.

LengthWidthThickness
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Construction & Renovation

Gravel Calculator

Enter length, width, and depth to estimate gravel volume in cubic yards, see the approximate tonnage, and compare the raw quantity with the built-in compaction allowance.

LengthWidthDepth
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Construction & Renovation

Mulch Calculator

Estimate mulch volume from bed length, width, and depth, then compare the cubic-yard total with the equivalent cubic feet and 2-cubic-foot bag count.

Area lengthArea widthMulch depth
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Construction & Renovation

Paint Calculator

Enter paintable wall area, number of coats, coverage per liter, and waste buffer to estimate how many liters of paint the job requires.

Wall areaNumber of coatsCoverage per liter
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Construction & Renovation

Roofing Calculator

Enter roof length, width, pitch, and waste factor to estimate roof area, roofing squares, and a rough shingle-bundle count.

Roof lengthRoof widthRoof pitch
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Construction & Renovation

Square Footage Calculator

Enter length and width in feet to calculate rectangular area in square feet, square meters, square yards, and acres.

LengthWidth
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Construction & Renovation

Stair Calculator

Enter total rise, preferred riser height, and tread depth to estimate step count, actual riser height, total run, and stringer length before checking the plan against local code.

Total riseDesired riser heightDesired tread depth
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Construction & Renovation

Tile Calculator

Enter room length, room width, square tile size, and waste allowance to estimate the number of tiles needed before installation.

Room lengthRoom widthTile size
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