Repair Cost Tools

Calculators

Home repair and remodel cost calculators

Browse all Repair Cost Tools calculators by project type. These free tools are built for early homeowner planning, not final bids.

Start with the project that most closely matches your repair, replacement, or remodel. Run a basic estimate, then run a conservative estimate with higher difficulty or better materials. That range gives you a better starting point before you call contractors.

The calculators are organized around the way homeowners actually budget: exterior repairs, interior repairs, remodeling, mechanical systems, lawn and outdoor projects, moving, and energy upgrades. If you are not sure where to begin, use the tool finder below and answer a few quick questions. It will point you toward the best calculator and guide combination.

For best results, measure before you estimate. Square footage, linear footage, fixture count, room count, system size, and access difficulty can all change the range. After you calculate, open the related guide and topic hub so you can compare bids by scope, not just by the final number.

How to choose the right calculator

If you know the project size, start with the direct calculator. If you are still deciding between repair and replacement, open the related guide first so you understand what measurements and hidden conditions matter. Exterior projects usually need square footage or linear footage, mechanical projects often need system size or fixture count, and interior projects usually need room measurements plus material choices.

Each calculator page includes links to its topic hub, related guides, and the cost methodology page. Use those links after you run the estimate so you can check whether permits, demolition, disposal, access, and repairs are likely to affect your real bids.

Browse planning guides · Browse repair cost hubs · How we estimate costs

Project finder

Find the right calculator and guide.

Answer three quick questions and Repair Cost Tools will suggest the best starting calculator, guide, and related reading based on the content already on this site.

1. What are you working on?
2. What stage are you in?
3. What do you want first?

Browse by repair cost topic

The calculators below are connected to topic hubs and planning guides so you can move from a quick number to a better understanding of the scope. After you run a calculator, open the related guide and write down what the estimate includes, what it excludes, and which details need to be confirmed locally.

Use the calculator directory as a starting point for bid preparation. The best bids usually come from homeowners who can describe the job clearly, provide measurements, and ask about materials, prep work, cleanup, and warranties.

Choose a repair cost topic hub to find the best calculator, related guides, cost factors, and bid-comparison questions for that project category.

Topic hubRoofingPlan roof repair, replacement, leak repair, tear-off, shingle, flashing, decking, and gutter-related budget questions from one place.Topic hubHVACCompare HVAC replacement, AC replacement, furnace replacement, repair vs replacement, ductwork, efficiency, and emergency comfort planning.Topic hubPlumbingPlan for drain cleaning, pipe leaks, fixture repairs, water heater issues, emergency timing, access work, and restoration risk.Topic hubElectricalReview panel upgrades, outlet and switch repairs, ceiling fan installation, permit complexity, old wiring, safety, and code-related cost drivers.Topic hubWater HeatersCompare tank and tankless water heater replacement costs, code items, venting, fuel type, emergency replacement, and installation access.Topic hubWindowsPlan window replacement by window type, count, frame material, glass package, trim work, rot repair, and installation method.Topic hubSidingCompare siding replacement costs, material choices, tear-off, trim, moisture repair, wall area, and exterior upgrade scope.Topic hubFencingPlan fence repair, wood fence replacement, gates, posts, rails, removal, linear footage, access, and property-line questions.Topic hubDrywallEstimate drywall patching, new drywall, ceiling work, texture matching, finish level, moisture repair, and paint blending.Topic hubFlooringCompare flooring installation, LVP, laminate, tile, subfloor prep, stairs, removal, transitions, trim, and room measuring.Topic hubKitchen & BathPlan kitchen remodels, bathroom remodels, cabinets, countertops, tile, fixtures, plumbing, electrical, layout changes, and allowance decisions.Topic hubOutdoor ProjectsPlan decks, patios, driveways, trees, sod, fences, grading, access, demolition, material choices, and site-prep surprises.

Choose a calculator below to estimate common home repair, replacement, remodel, and maintenance costs. Each tool gives a planning range, explains the biggest cost drivers, and links to related calculators so you can build a better first-pass budget before calling contractors.

Measure firstUse square footage, linear footage, room count, fixture count, or project size whenever possible.
Run two scenariosCompare a basic version and a conservative version so you understand the likely cushion.
Verify locallyUse the range to compare contractor bids, not as a guaranteed quote.
ExteriorInteriorRemodelingMechanicalLawnEnergyMoving

Exterior calculators

Interior calculators

Remodeling calculators

Mechanical calculators

Lawn calculators

Energy calculators

Moving calculators

How to use these calculators

Start with rough measurements, choose the closest material or difficulty level, and run the calculator twice: once with a basic scope and once with a more conservative scope. The difference gives you a practical cushion for hidden damage, prep work, permit issues, disposal, or upgraded materials.

These estimates are not contractor quotes. Use them to understand the likely range, prepare better questions, and compare written bids that include the same scope.