OpenTools
Construction & Home Improvement
OpenTools / Construction
Construction & Home Improvement
Material estimates and practical planning tools for projects at home.
Concrete Calculator
Estimate concrete volume, cubic yards, and 80 lb bag quantity for a rectangular slab.
Tile Calculator
Estimate tile order coverage, approximate tiles, and cartons for a rectangular surface.
Gravel Calculator
Estimate gravel volume, supplier-density-based weight, and optional material cost for a rectangular area.
Paver Base Calculator
Estimate base aggregate and bedding material volumes separately for a rectangular paver project.
Paint Calculator
Estimate paint quantity from room dimensions or known area, coats, and label coverage.