BenchCalcs

Project planning · 14 free tools

Home improvement cost calculators

Estimate one project or map out a whole-home plan. Each calculator uses your measurements, scope, material choices, and region to produce a transparent low-to-high budget—without an account or sales gate.

  • Your inputsNot a one-size-fits-all average
  • Visible assumptionsSee what moves the estimate
  • Planning rangesA baseline for comparing bids

Choose a project

Start with the job you are pricing

Every tool opens directly to the inputs. No email, account, or quote request is required.

  1. 01

    Roof Replacement Cost

    Re-roof price by size, pitch, material, and tear-off.

    Estimate this project
  2. 02

    Kitchen Remodel Cost

    Budget to luxury, by size, scope, and cabinet choice.

    Estimate this project
  3. 03

    Bathroom Remodel Cost

    Half-bath to primary suite, with tub-to-shower conversion.

    Estimate this project
  4. 04

    HVAC Replacement Cost

    Furnace, AC, heat pump, or mini-split, by efficiency tier.

    Estimate this project
  5. 05

    Window Replacement Cost

    By count, frame material, glass, and install type.

    Estimate this project
  6. 06

    Deck Cost

    Wood vs composite, by the square foot, plus railing and stairs.

    Estimate this project
  7. 07

    Fence Cost

    By linear foot, material, height, and gates.

    Estimate this project
  8. 08

    Flooring Cost

    Install price by room and material — laminate, LVP, hardwood, tile.

    Estimate this project
  9. 09

    Siding Replacement Cost

    Vinyl to fiber-cement, by wall area, stories, and tear-off.

    Estimate this project
  10. 10

    Driveway Cost

    Gravel, asphalt, concrete, or pavers — by the square foot.

    Estimate this project
  11. 11

    Water Heater Cost

    Tank, tankless, or heat-pump — installed, with upgrade adders.

    Estimate this project
  12. 12

    House Painting Cost

    Interior or exterior, by area, prep, coats, and stories.

    Estimate this project
  13. 13

    Gutter Installation Cost

    By linear foot, material, guards, and stories.

    Estimate this project
  14. 14

    Insulation Cost

    Batt, blown-in, or spray foam — by area and R-value.

    Estimate this project

Pick the right starting point

What each estimate is best for

Use this table when several projects overlap or you are building a phased renovation budget.

Calculator Best for Main cost drivers
Roof Replacement Cost Planning a full roof replacement Roof area, pitch, material, layers, complexity, region
Kitchen Remodel Cost Comparing kitchen scopes and finish levels Room size, scope, cabinets, counters, appliances, region
Bathroom Remodel Cost Budgeting a bath refresh or full remodel Bathroom type, scope, finish tier, tile, plumbing, region
HVAC Replacement Cost Comparing heating and cooling replacements System type, home size, efficiency, ducts, region
Window Replacement Cost Pricing a few windows or a whole-house replacement Window count, frame, glass, size, installation method
Deck Cost Comparing wood, composite, and PVC decks Area, decking, height, railings, stairs, region
Fence Cost Planning a new perimeter or privacy fence Length, material, height, gates, terrain, region
Flooring Cost Comparing installed flooring materials Area, material, removal, subfloor work, region
Siding Replacement Cost Comparing exterior cladding options Wall area, material, stories, tear-off, region
Driveway Cost Comparing driveway materials and scopes Area, material, base preparation, removal, region
Water Heater Cost Comparing tank, tankless, and heat-pump units Type, size, fuel, venting, utility upgrades, region
House Painting Cost Budgeting interior or exterior painting Area, prep, coats, stories, surface condition, region
Gutter Installation Cost Pricing gutter replacement and guards Length, material, guards, stories, downspouts, region
Insulation Cost Comparing insulation materials and target R-values Area, insulation type, depth, access, removal, region

From estimate to decision

Use the numbers without being fooled by false precision

A cost calculator is most useful before the first contractor visit. It helps you define scope, compare material choices, and recognize a bid that is far outside a defensible planning range. It cannot inspect your home or predict every condition hidden behind a wall.

For a larger plan, read the home renovation cost guide and the home improvement ROI guide after estimating the individual projects.

  1. 1
    Measure the real scope

    Use roof area, wall area, linear feet, room size, or equipment details instead of a rough house-wide guess.

  2. 2
    Run at least two scenarios

    Compare a practical material or finish choice with the upgrade you are considering.

  3. 3
    Add a separate contingency

    Keep money outside the base estimate for hidden damage, access problems, or scope changes.

  4. 4
    Compare itemized bids

    Confirm that labor, materials, removal, disposal, permits, and allowances cover the same work.

Why real prices move

Six variables that change nearly every project

Location

Labor, delivery, permits, and contractor demand vary by market.

Scope

Repair, partial replacement, and full replacement are different jobs.

Materials

Product grade and finish level can move both material and labor cost.

Access

Stories, slope, tight work areas, and occupied rooms add time and setup.

Existing conditions

Rot, moisture, old wiring, poor substrate, or code issues appear after work starts.

Quote completeness

A low bid may omit removal, disposal, permits, preparation, or allowances.

FAQ

Home project estimate questions

Are these home improvement estimates the same as contractor quotes?
No. Each calculator is a planning tool that turns your measurements, scope, material choices, and region into a reasonable cost range. A contractor quote also reflects site conditions, scheduling, permits, overhead, and details that may not be visible until work begins.
Why do the calculators show a range instead of one exact price?
Project prices vary between contractors and locations, and hidden conditions can change the scope. A low-to-high range is more honest than false precision and gives you a useful baseline for comparing written bids.
How should I use an estimate before requesting bids?
Run the calculator with the same scope and finish level you will describe to contractors. Save or print the result, then ask each bidder to itemize labor, materials, permits, removal, disposal, and allowances so you can compare the same work.
Do I need an account or email address?
No. The calculators are free to use without an account. Calculations run in your browser, and you can test different project scenarios before speaking with a contractor.

These tools provide reference estimates, not contractor quotes. Verify pricing, permits, code requirements, product specifications, and site conditions with qualified local professionals before committing funds.