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Project calculators

Twelve calculators covering the most common home projects. Each one estimates core and supporting materials, applies an adjustable waste factor, rounds purchases up to whole units, and builds a printable shopping list with your local prices.

Outdoor projects

Decks, fences, patios, driveways, slabs, and landscaping beds.

Surfaces & finishes

Flooring and tile — coverage, boxes, and setting materials.

Walls & interiors

Paint and drywall — gallons, sheets, and finishing supplies.

Project planning

Debris, disposal, and sizing decisions before work starts.

Power & equipment

Generator sizing and backup-power planning.