What will your home project cost?
Free calculators for 35 common repairs and upgrades. Enter your size and materials, and get a low, typical and high price before you call a contractor.
- No signup, no lead forms
- Materials and labor included
- Updated September 2026
Most-used calculators
Roof ReplacementA full roof replacement is priced by roof area, and the material you choose sets most of the bill.From $9,400AC ReplacementCentral air conditioning is sized in tons, and efficiency sets the price per ton.From $6,800Water Heater ReplacementReplacing a tank water heater usually costs less than people fear, but code upgrades can add to the bill.From $1,700Kitchen RemodelKitchen remodels are priced by size and finish level.From $23,000Fence InstallationFences are priced per linear foot installed.From $2,750Electrical Panel UpgradeAn electrical panel upgrade increases how much power your home can safely use.From $1,900Deck BuildingDecks are priced per square foot, and material and height make the biggest difference.From $7,750Bathroom RemodelBathroom remodels are priced by size and finish level.From $10,300
Roofing & Exterior
Roof, siding, gutter and window costs
- Roof Replacement$9,400+
- Metal Roof$20,500+
- Gutter Installation$1,050+
- Siding Replacement$7,400+
- Window Replacement$5,000+
Plumbing
Water heater, pipe and sewer costs
- Water Heater Replacement$1,700+
- Tankless Water Heater Installation$3,600+
- Whole House Repipe$5,000+
- Sewer Line Replacement$3,000+
- Sump Pump Installation$1,200+
Heating & Cooling
AC, furnace, heat pump and duct costs
- AC Replacement$6,800+
- Furnace Replacement$4,600+
- Heat Pump Installation$6,800+
- Ductwork Replacement$3,600+
- Mini Split Installation$2,300+
Electrical
Panel, wiring, EV charger and generator costs
- Electrical Panel Upgrade$1,900+
- House Rewiring$6,500+
- EV Charger Installation$700+
- Whole House Generator$10,300+
- Recessed Lighting Installation$900+
Kitchen & Bath
Remodel, countertop, cabinet and shower costs
- Kitchen Remodel$23,000+
- Bathroom Remodel$10,300+
- Countertop Installation$2,200+
- Kitchen Cabinet Replacement$5,000+
- Walk-In Shower$5,150+
Flooring & Interior
Flooring, painting and basement costs
- Hardwood Floor Installation$4,500+
- LVP Flooring$2,500+
- Carpet Installation$2,000+
- Interior Painting$3,000+
- Basement Finishing$32,500+
Outdoor & Yard
Fence, deck, driveway, patio and tree costs
- Fence Installation$2,750+
- Deck Building$7,750+
- Concrete Driveway$3,800+
- Paver Patio$3,000+
- Tree Removal$600+
No project matches that search yet. Try a broader word like roof, floor or heater.
How HouseMath estimates work
- Pick your projectChoose a calculator from 35 common repairs and upgrades.
- Set the size and materialEnter square feet, tons or fixture counts and pick the option you want.
- Add your conditionsTick extras like removal or permits and see the range update live.
- Compare quotesUse the low, typical and high figures to judge the written quotes you collect.
Every calculator uses national installed prices, meaning materials and labor together. Prices in your area can run higher or lower, so use the range to plan a budget and to judge quotes. See our full method.