Bathroom Remodel Cost Calculator
Get a realistic budget range for your bathroom renovation based on size, scope, and finish level. Uses 2026 national contractor averages.
Bathroom Remodel Cost by Size (2026 Averages)
Bathroom renovation costs vary significantly by size, but size alone doesn't determine price — scope and finish level often matter more. A small bathroom with a full gut renovation and premium tile can cost more than a large bathroom with a basic surface refresh.
| Bathroom Type | Budget | Mid-Range | Upscale |
|---|---|---|---|
| Powder room / half bath | $1,500–$4,000 | $5,000–$10,000 | $12,000–$20,000 |
| Small full bath (30–50 sq ft) | $3,000–$6,000 | $8,000–$15,000 | $18,000–$30,000 |
| Standard full bath (50–80 sq ft) | $4,500–$9,000 | $10,000–$25,000 | $25,000–$45,000 |
| Master bath (80–120 sq ft) | $7,000–$15,000 | $18,000–$35,000 | $40,000–$80,000 |
| Large master suite (120+ sq ft) | $12,000–$25,000 | $30,000–$60,000 | $60,000–$120,000+ |
What Drives Bathroom Remodel Costs?
Labor is the biggest line item. For a professionally contracted bathroom remodel, labor typically makes up 40–65% of the total cost. A tile setter, plumber, and electrician each have minimum charges, and small bathrooms don't cost much less in labor than larger ones for the same scope of work.
Moving plumbing adds significant cost. If your remodel keeps the toilet, tub, and shower in their current positions, costs stay manageable. Moving a toilet requires a licensed plumber and often means cutting into the subfloor — add $500–$2,000 or more depending on the complexity. Moving a drain is one of the most common sources of budget overruns in bathroom renovations.
Tile choice affects both material and labor cost. A simple 12×12 grid of ceramic tile installs faster and with less waste than a herringbone pattern in 3×6 subway tile. The tile itself may cost $2/sq ft vs $5/sq ft — but the labor difference between a straight lay and a complex pattern can be $3–$8 per square foot. Pattern complexity is where bathroom budgets quietly expand.
Waterproofing is mandatory in wet areas. A proper shower installation requires a waterproofing membrane (like Schluter Kerdi or RedGard) before any tile goes up. This adds $400–$750 to the project and is non-negotiable if you want the shower to last. Contractors who quote shower work without mentioning waterproofing are either including it silently or skipping it — always ask explicitly.
Cost Breakdown by Component
| Component | Typical Cost Range |
|---|---|
| Tile (floor + shower, installed) | $800–$4,500+ |
| Vanity (cabinet + countertop) | $300–$3,000+ |
| Toilet | $150–$800 |
| Bathtub | $400–$3,500 |
| Shower enclosure / door | $300–$2,500 |
| Faucets and fixtures | $200–$1,500 |
| Lighting | $150–$800 |
| Exhaust fan | $100–$400 |
| Plumbing labor | $500–$3,500 |
| Electrical labor | $200–$1,200 |
| Demo and disposal | $300–$1,200 |
How to Get the Most Accurate Estimate
Calculator estimates give you a planning range, not a quote. The only way to get an accurate number is to get at least three itemized contractor quotes for your specific bathroom. When comparing quotes, make sure each one includes the same scope — demo, waterproofing, tile installation, fixtures, and cleanup. A low quote that excludes waterproofing or disposal isn't a bargain.
Always build a 15–20% contingency into your budget before starting. Bathroom renovations routinely uncover hidden issues once walls are opened: rotted subfloor, outdated plumbing connections, missing waterproofing on an existing shower, or electrical that doesn't meet current code. These aren't rare surprises — they're common enough that professionals expect them.
Where Bathroom Remodel Budgets Go Wrong
- No contingency buffer — Set aside 10–20% of your budget for surprises. Opening a wall or floor in an older home routinely reveals water damage, outdated wiring, or plumbing that needs to be brought up to code.
- Underestimating labor for moving plumbing — Relocating a toilet, sink, or shower drain even a few feet adds plumbing labor cost far out of proportion to the distance moved, since it usually means breaking into the slab or subfloor.
- Forgetting permit costs — Most jurisdictions require a permit for plumbing or electrical work in a bathroom remodel. Permit fees ($50–$500+) are easy to leave out of a DIY budget until the inspection is due.
- Choosing trend-driven tile or fixtures — Bold, of-the-moment finishes can date a bathroom within a few years and affect resale appeal. Neutral tile with a few bold accent pieces (a light fixture, a mirror) ages better and costs less to update later.
Frequently Asked Questions
How much does a full bathroom remodel cost?
A mid-range full bathroom remodel typically runs $10,000-$25,000, while a high-end remodel with custom finishes and layout changes can exceed $35,000-$50,000.
What's the most expensive part of a bathroom remodel?
Labor typically accounts for 40-65% of total cost, with plumbing and electrical work being the most expensive line items, especially if fixtures are relocated.
Does moving plumbing significantly increase bathroom remodel cost?
Yes. Relocating a toilet, tub, or shower drain requires opening the floor and rerouting lines, which can add $2,000-$5,000 or more.
How much does a small powder room remodel cost?
A powder room (sink and toilet only) typically costs $3,000-$8,000 for a cosmetic refresh, since less plumbing and square footage are involved.