Remodeling and Interior Cost Calculators
Remodeling projects depend on finish level, demolition, layout changes, hidden repairs, structural scope, and trade coordination. These calculators help you compare bids with the same scope and allowances in mind.
Cost calculators
Home addition
Estimate home addition costs by square footage, addition type, build direction, foundation and site work, mechanical or plumbing scope, finish level, and design or permit needs before comparing general contractor bids.
$30,000 - $180,000 RemodelingBasement finishing
Estimate basement finishing costs by square footage, starting condition, room scope, moisture and code work, mechanical or plumbing needs, and finish level before comparing remodeler or general contractor bids.
$18,000 - $75,000 RemodelingBathroom remodel
Estimate bathroom remodel costs by bathroom size, finish level, plumbing changes, tile scope, and fixture choices.
$9,000 - $35,000 RemodelingWalk-in shower
Estimate walk-in shower installation costs by shower size, project type, wall system, glass, plumbing changes, and accessibility features before comparing bathroom remodeler bids.
$4,000 - $12,000 RemodelingBathtub replacement
Estimate bathtub replacement costs by tub type, replacement scope, surround work, plumbing changes, hidden repairs, and accessibility or finish upgrades before comparing bathroom contractor bids.
$1,800 - $8,500 RemodelingKitchen remodel
Estimate kitchen remodel costs by room size, project scope, finish level, cabinet plan, and appliance choices.
$18,000 - $75,000 RemodelingCabinet installation
Estimate cabinet installation costs by cabinet length, cabinet type, layout complexity, removal and prep, accessories or trim, and trade coordination before comparing kitchen cabinet bids.
$4,500 - $15,000 RemodelingCabinet refacing
Estimate cabinet refacing costs by cabinet length, project scope, refacing material, door and drawer count, hardware upgrades, and cabinet-box condition before comparing kitchen contractor bids.
$4,000 - $12,500 RemodelingCountertop installation
Estimate countertop installation costs by square footage, material, edge and cutout complexity, tear-out and prep, backsplash scope, and sink or plumbing work before comparing fabricator bids.
$2,400 - $9,500 RemodelingQuartz countertops
Estimate quartz countertop costs by square footage, quartz grade, edge and seam complexity, cutouts, tear-out and prep, and backsplash finish before comparing fabricator bids.
$3,000 - $12,000 PaintingInterior painting
Estimate interior house painting costs by painted area, room scope, wall condition, ceilings and trim, color change, coats, and paint grade before comparing painter bids.
$1,500 - $8,500 FlooringFlooring installation
Estimate flooring installation costs by square footage, flooring type, subfloor prep, old flooring removal, and stairs.
$2,800 - $18,000 InsulationInsulation installation
Estimate insulation installation costs for attics, walls, crawlspaces, or whole-home upgrades before requesting bids.
$1,800 - $9,800Project supplies
Review related tools, parts, fixtures, filters, safety items, and materials for common projects in this area.
Products that may support this project
Related supplies
Products that may support this project
Related supplies
Products that may support this project
Related supplies
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Project supply checklist
Price-check related supplies, parts, fixtures, tools, and materials before reviewing bids.
View supply checklistQuote comparison worksheets
- Home addition worksheet Compare bids for home addition with the same scope and assumptions.
- Basement finishing worksheet Compare bids for basement finishing with the same scope and assumptions.
- Bathroom remodel worksheet Compare bids for bathroom remodel with the same scope and assumptions.
- Walk-in shower worksheet Compare bids for walk-in shower with the same scope and assumptions.
- Bathtub replacement worksheet Compare bids for bathtub replacement with the same scope and assumptions.
- Kitchen remodel worksheet Compare bids for kitchen remodel with the same scope and assumptions.
- Cabinet installation worksheet Compare bids for cabinet installation with the same scope and assumptions.
- Cabinet refacing worksheet Compare bids for cabinet refacing with the same scope and assumptions.
- Countertop installation worksheet Compare bids for countertop installation with the same scope and assumptions.
- Quartz countertops worksheet Compare bids for quartz countertops with the same scope and assumptions.
- Interior painting worksheet Compare bids for interior painting with the same scope and assumptions.
- Flooring installation worksheet Compare bids for flooring installation with the same scope and assumptions.
- Insulation installation worksheet Compare bids for insulation installation with the same scope and assumptions.
Common questions
Which remodeling and interior costs should I compare first?
Start with home addition, basement finishing, bathroom remodel, walk-in shower, bathtub replacement, kitchen remodel, cabinet installation, cabinet refacing, countertop installation, quartz countertops, interior painting, flooring installation, and insulation installation calculators when the project scope overlaps.
Why can remodeling and interior costs change between bids?
Remodeling projects depend on finish level, demolition, layout changes, hidden repairs, structural scope, and trade coordination. These calculators help you compare bids with the same scope and allowances in mind. Keep the same scope, assumptions, and exclusions in front of each contractor before comparing totals.
What should I do after checking these remodeling and interior costs?
Open the related quote comparison worksheets, list the same assumptions for each bid, and confirm included work, exclusions, schedule, warranty, and cleanup before choosing a contractor.