Home project calculators

Transparent estimates for materials, quantities, measurements, and quick budgets.

Paint Calculator

Estimate finish paint from room dimensions, openings, coats, coverage, and waste.

Calculate net wall surface area after subtracting doors and windows.

Estimate tile boxes from floor area, tile coverage per box, and cutting waste.

Estimate flooring packs with a layout-specific waste allowance.

Estimate ready-mix volume for a slab, footing, or pad including waste.

Estimate drywall sheets for walls and ceiling with a cutting allowance.

Estimate wallpaper rolls from wall area, roll coverage, and pattern waste.

Estimate grout mass from tile joint dimensions and total joint length.

Estimate mortar volume and bags for masonry joints.

Estimate decking boards or packs from deck area and board coverage.

Estimate fence panels and posts from run length and spacing.

Estimate roofing coverage from footprint, pitch, and waste.

Estimate insulation packs from surface area and pack coverage.

Estimate gravel tonnes from area, depth, and bulk density.

Estimate bags of mulch from bed area and target depth.

Estimate soil volume for beds and planters.

Estimate board feet and material cost from board dimensions and count.

Add a transparent waste allowance to any measured base quantity.

Convert common home-project lengths, areas, volumes, and weights.

Add two material lines and tax to make a quick project budget.