Construction Calculators
Square footage, paint, concrete, and materials.
16 calculators
Square Footage Calculator
Enter room dimensions to calculate square footage for flooring, painting, or landscaping projects.
Paint Calculator
Enter room size and number of coats to find out how many gallons of paint you need.
Flooring Calculator
Enter room size and waste % to find square footage needed plus number of boxes.
Concrete Calculator
Enter slab dimensions to find cubic yards and number of concrete bags needed.
Mulch Calculator
Enter bed size and depth to find cubic yards and number of bags needed.
BTU Calculator — Air Conditioner Size
Enter room square footage and conditions to calculate the right AC size in BTU.
Tile Calculator — How Many Tiles Do I Need?
Enter room size and tile size to calculate tiles needed, with waste factor and box count.
Fence Calculator — Posts, Panels & Materials
Enter perimeter and panel width to calculate panels needed, post count, and total linear footage.
Carpet Calculator — Square Yards & Cost
Enter room dimensions to calculate square yards of carpet needed with optional cost estimate.
Gravel Calculator — Cubic Yards & Tons
Enter length, width, and depth to calculate gravel in cubic yards and tons.
Wall Stud Calculator — 16" and 24" OC
Enter wall length and stud spacing to calculate studs and plates needed.
Roof Pitch Calculator
Enter rise and run to calculate roof pitch, angle in degrees, and area multiplier.
Cubic Yards Calculator
Enter length (ft), width (ft), and depth (in) to get volume in cubic yards.
Drywall Calculator — Sheets & Square Footage
Enter room dimensions and opening count to calculate drywall sheets needed with waste factor.
Pool Chemistry Calculator — Chlorine, pH & Alkalinity Dosing
Enter pool size and current/target levels for chlorine, pH, and alkalinity. Get exact ounce-amounts to add.
Generator Size Calculator — Whole-House Backup Sizing
Add appliances with their wattage, see the recommended generator size with safety margin.