Construction

Tools for builders, DIYers, and engineers.

Square Footage Calculator – Room & Floor Area Service | CalcTools

Open

Calculate square footage for flooring, tile, and renovation projects. Essential service for homeowners and contractors.

Concrete Volume Calculator – Slab & Foundation Service | CalcTools

Open

Calculate cubic yards or meters of concrete for slabs and driveways. Professional construction service.

Paint Coverage – Wall & Ceiling Calculation Service | CalcTools

Open

Calculate how many gallons of paint you need for any room. Precision service for interior design.

Roof Pitch Calculator – Slope & Angle Service | CalcTools

Open

Determine roof pitch over 12 and exact slope angle. Professional service for roofing and drainage.

Ohm's Law Calculator – Electrical Circuit Service | CalcTools

Open

Calculate Voltage, Current, and Resistance. Essential service for students and electricians.

Voltage Drop – Electrical Wire Sizing Service | CalcTools

Open

Calculate voltage loss over long wire distances. Essential service for safe electrical installs.