Construction Calculators
Concrete, lumber, roofing, flooring and other building material tools. Browse our collection of 15 free online calculators — fast, accurate, and ready to use.
Concrete Calculator
Calculate concrete volume in cubic yards and cubic meters for slabs, columns, circles, and footings. Estimate cement bags needed.
CalculatePaint Calculator
Calculate how much paint you need for a room based on dimensions, doors, windows, and number of coats.
CalculateTile Calculator
Calculate the number of tiles needed for floors, walls, or backsplashes. Includes waste percentage for cuts and breakage.
CalculateFlooring Calculator
Calculate how much flooring you need and estimate the number of boxes. Includes waste for cuts and installation.
CalculateDeck Materials Calculator
Estimate decking boards, joists, posts, and fasteners needed for a new deck based on dimensions and spacing.
CalculateFence Calculator
Calculate fence materials including posts, rails, pickets or panels, and concrete needed for a fence project.
CalculateGravel Calculator
Calculate gravel volume and weight for driveways, paths, or landscaping projects. Supports cubic yards, tons, and metric units.
CalculateMulch Calculator
Calculate how much mulch you need for your garden beds. Estimate in cubic yards, cubic feet, or number of bags.
CalculateDrywall Calculator
Calculate drywall sheets, screws, and joint compound needed for walls and ceilings. Supports 4x8 and 4x12 panels.
CalculateSod Calculator
Calculate how many sod pallets or rolls you need for your lawn. Estimate cost and total square footage.
CalculateAsphalt Calculator
Calculate asphalt tonnage needed for driveways, parking lots, or roads. Based on area, thickness, and density.
CalculateLumber Calculator
Calculate board feet for lumber purchases. Convert dimensions and quantity to total board feet and estimated cost.
CalculateStair Calculator
Calculate stair rise, run, number of steps, and stringer length. Follows standard building code recommendations for comfortable stairs.
CalculateRoofing Cost Calculator
Estimate roofing replacement cost based on roof size, pitch, and material type (asphalt shingles, metal, tile).
CalculateSquare Footage Calculator
Calculate square footage for rectangular rooms, walls, and floors including multiple area zones.
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Finance Calculators
Mortgage, loans, interest, savings, and retirement planning tools
Health Calculators
BMI, calorie needs, body fat and other fitness tools
General Calculators
Percentages, discounts, dates, age and everyday math tools
Math Calculators
GPA, fractions, statistics, geometry and more math tools
Niche Calculators
Specialized calculators for roofing, ecommerce sellers and more