Home project calculators

Practical calculators for home projects.

Estimate paint, flooring, mulch, concrete, drywall, and gravel quantities with lightweight calculators built for quick planning.

Home Improvement Calculators

Estimate wall paint by square feet with room dimensions, openings, coats, paint coverage, and a waste factor for practical planning.

Calculate paint for interior walls with room size, wall height, door and window deductions, coats, and optional waste.

Estimate paint for a single wall by entering wall width, height, coats, coverage, openings, and a small waste allowance.

Estimate ceiling paint from room length, room width, coats, coverage, and waste before buying gallons or quarts.

Estimate flooring square footage, overage, and box count for a room or project before buying planks, tiles, or sheets.

Add room areas together and estimate total flooring, waste, and box count for multi-room flooring projects.

Estimate vinyl plank or vinyl tile flooring needs with room area, waste percentage, and square feet per box.

Estimate laminate flooring box count from room square footage, overage, and package coverage.

Convert landscape bed area and mulch depth into cubic feet, cubic yards, and bag count for common mulch projects.

Estimate how many 2 cubic foot or 3 cubic foot mulch bags you need from square feet and planned mulch depth.

Estimate concrete bags from slab length, width, depth, and bag yield for small slabs, pads, and repairs.

Estimate concrete bags for fence posts, deck posts, and mailbox posts from hole diameter, depth, and number of holes.

Estimate drywall sheet count from wall area, ceiling area, openings, sheet size, and waste allowance.

Estimate driveway gravel in cubic yards and tons from length, width, depth, and gravel density.