ganak.appConstruction Calculators
9 calculators · Updated Feb 2026
Estimate materials and measurements for construction projects. Calculate concrete, asphalt, and gravel quantities, plan fencing, and measure square footage for rooms and walls.
Concrete, asphalt, and gravel volume and cost estimation · Square footage for rooms, walls, and multi-room layouts · Fence calculator with post spacing and material estimates
Popular in Construction
Concrete Calculator
Estimate concrete volume in yards, feet, or meters for slabs, footings, walls, and columns. Includes bag count and cost estimates.
Square Footage Calculator
Free online square footage calculator for rooms, walls, and irregular shapes. Calculate area in sq ft, sq m, sq yd, and acres. Includes feet & inches input, multi-room totals, waste factor for materials, and cost estimation. Perfect for flooring, tile, paint, roofing, and construction projects.
Fence Calculator
Estimate fence materials, posts, pickets, and total cost. Compare wood, vinyl, chain link, and metal fencing with instant DIY or professional cost breakdown.
All Construction Calculators
Asphalt Calculator
Estimate asphalt tonnage, volume, and cost for driveways, roads, and parking lots. Supports hot mix, warm mix, cold mix, and porous asphalt with imperial and metric units.
Gravel Calculator
Estimate gravel tonnage, volume in yards, and cost for driveways, landscaping, and drainage projects. Supports pea gravel, crushed stone, river rock, limestone, and more with imperial and metric units.
Room Square Footage Calculator
Calculate room or floor area in square feet. Perfect for flooring, carpet, tile, and paint projects. Simply enter length and width in feet and inches to get instant area calculations with unit conversions.
Multi-Room Square Footage Calculator
Calculate total square footage for multiple rooms at once. Add rooms with quantities for large projects, apartments, or commercial spaces. Get combined area totals with material cost estimation.
Wall Area Calculator
Calculate wall area for painting or wallpaper, automatically subtracting doors and windows. Get accurate material estimates with waste factor for paint coverage and wallpaper rolls.
Shapes Area Calculator
Calculate irregular and complex area shapes using rectangles, rectangle borders, circles, rings, triangles (base/height or sides), trapezoids, sectors, and parallelograms. Perfect for roofing, landscaping, decks, and custom construction projects.
Why Use Construction Calculators?
Ordering too much material wastes money; ordering too little delays your project. These calculators estimate exact quantities for concrete, asphalt, gravel, and fencing based on your project dimensions. You also get square footage calculations for rooms, walls, and multi-room layouts — essential for flooring, painting, and renovation planning.