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Home/Calculators/Construction
🏗️
14 Free Tools · Instant Results

Free Online Construction Calculators

Concrete, materials, area, cost & engineering

All Categories
14+
Tools
4
Popular
14
New
100%
Free

Most Popular

🧱
Concrete Calculator
Concrete volume and bags required for slabs, walls, footings and columns
Popular
🎨
Paint Calculator
Paint quantity for walls, ceilings and rooms with coverage rate and cost
Popular
📐
Square Footage Calculator
Total square footage for rooms, flooring, tiling and painting projects
Popular
💰
Construction Cost
Project cost estimate with area, labor rate, material cost and contingency
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🆕

Recently Added

🧱
Concrete CalculatorNew
Concrete volume and bags required for slabs, walls, footings and columns
🏗️
Cement CalculatorNew
Cement bags, sand and aggregate for any mix ratio and volume
⛱️
Sand CalculatorNew
Sand volume and weight for landscaping, concrete mix and foundation work
🪨
Gravel CalculatorNew
Gravel cubic yards and tons for driveways, paths and drainage
🛣️
Asphalt CalculatorNew
Asphalt weight and cost for roads and driveways
🎨
Paint CalculatorNew
Paint quantity for walls, ceilings and rooms with coverage rate and cost
🏠
Roofing CalculatorNew
Roofing area, shingles and material cost with pitch and waste factor
📐
Square Footage CalculatorNew
Total square footage for rooms, flooring, tiling and painting projects
📦
Cubic Yard CalculatorNew
Convert dimensions to cubic yards for bulk material ordering
💰
Construction CostNew
Project cost estimate with area, labor rate, material cost and contingency
⚡
Electrical Load CalculatorNew
Total electrical load, recommended breaker size for home appliances
🔧
Pipe Volume CalculatorNew
Volume capacity and flow rate of cylindrical pipes with unit conversion
⚖️
Density CalculatorNew
Mass, volume and density — solve for any one given the other two
🌡️
Pressure CalculatorNew
Pressure from force and area with unit conversions (Pa, PSI, bar, atm)
Other Categories
💰 Finance & Money❤️ Health & Fitness📐 Math & Science🎓 Education & GPA🔄 Unit Converters🏠 Everyday Tools💻 Technology📊 Business