Plan your renovation by the numbers — tile, flooring, windows, kitchens, garages, and more. 20 free calculators to budget every project before you start.
Estimate how many tiles you need for walls and floors based on room dimensions.
Find the right vanity size for your bathroom layout and plumbing constraints.
Total bathtub replacement cost including unit, installation, and plumbing.
Tile quantity and cost for shower walls and floor with waste factor built in.
CFM rating needed for your exhaust fan based on bathroom size and fixtures.
Budget your kitchen renovation — cabinets, countertops, appliances, and labor.
Calculate area for any room shape — rectangular, L-shaped, or irregular.
Estimate total window replacement cost by type, size, and number of windows.
Interior and exterior door installation costs including hardware and labor.
Calculate energy savings and payback period for upgrading to efficient windows.
Storm door cost and energy savings estimate by door size and climate zone.
Sliding patio door replacement cost including frame, glass, and installation.
Compare window frame materials — vinyl, wood, aluminum, and fiberglass costs.
New garage construction cost by size, type, and foundation requirements.
Epoxy coating cost and material quantity for your garage floor area.
Garage door replacement cost by size, material, and opener type.
Insulation material and cost for garage walls, ceiling, and door.
Workbench lumber and hardware list based on your desired dimensions.
Carpet square footage, padding, and cost estimate for any room layout.
Number of wallpaper rolls needed based on wall area and pattern repeat.
Every calculator on this page traces its formulas to federal agencies and peer-reviewed institutions.