Know what your home project will cost before you call a contractor.
Free calculators for fences, decks, roofs, floors, concrete and paint. Every estimate shows its formula, its sources and a price range adjusted to your state.
Calculators
Fence Cost Calculator
Installed price for wood, vinyl, chain link, aluminum or composite fencing.
Deck Cost Calculator
Installed cost for pressure-treated, cedar, composite or PVC decks.
Roof Replacement Cost Calculator
Roof area from your home's footprint and pitch, plus installed cost by material.
Flooring Cost Calculator
Square footage, material to buy with waste, and installed cost by floor type.
Concrete Calculator
Cubic yards and 40, 60 or 80 lb bags for slabs, patios and post holes.
Paint Calculator
Gallons of paint for walls and ceiling, minus doors and windows.
Why use CostWise Lab?
Most cost guides give one national average and leave you guessing. Our calculators start from your own measurements, apply published 2026 price ranges and adjust for your state's price level using official U.S. government data. You see the math, so you can check it, and you walk into a contractor meeting knowing what a fair quote looks like.
Read how we estimate for the full details.