Estimate your bathroom renovation by scope, finish tier, and region — with a 10-component line-item breakdown, DIY vs pro comparison, a construction timeline, resale ROI, and a budget planner. Free, private, and 100% in your browser: nothing you type is uploaded anywhere.
Bathroom remodel ROI — what you get back at resale
Budget planner
How the estimate is built
Bathroom pricing is fixture-driven, not per-square-foot like kitchens: a powder room and a primary bath can have similar square footage and wildly different costs. So the estimator starts from a scope base cost (national-average, pro-installed), scales it by room size, adds any upgrades, then multiplies by regional and labor-approach factors. The result is split across ten bathroom-specific cost components and topped with a contingency line.
National-average base costs by scope & tier
Pro-installed, standard size, national average. These sit inside 2024–2026 published ranges from Angi, HomeAdvisor, Fixr and Dad Improvement (see sources):
Scope
Budget
Midrange
Luxury
Powder room / half bath
$3,500
$7,500
$14,000
Full bath
$7,500
$14,500
$26,000
Primary / master bath
$16,000
$30,000
$55,000
Tub-to-shower conversion
$3,000
$5,500
$9,000
Where the money goes: 10 components
Unlike kitchens (cabinets ≈ 30%, appliances ≈ 15%), bathrooms are dominated by tile, plumbing and the tub/shower — and waterproofing is a bathroom-only line item that kitchens don't have:
Component
Share of budget
Tile (floor + walls/shower surround)
18%
General labor & coordination
16%
Plumbing rough-in & fixtures
14%
Tub / shower unit & glass
13%
Vanity & countertop
12%
Electrical & lighting
7%
Demolition & disposal
6%
Waterproofing & underlayment
4%
Permits, design & fees
5%
Paint & finishing
5%
Worked examples (computed by the engine)
1. Standard full bath, midrange, pro — $15,950
Scope full bath, midrange tier, standard size, pro contractor, national average, no upgrades, 10% contingency. Subtotal $14,500, contingency $1,450, total $15,950. Biggest lines: tile $2,610, general labor $2,320, plumbing $2,030, tub/shower $1,885, vanity $1,740, waterproofing $580.
2. Large primary bath, luxury, West + upgrades — $88,936
Scope primary bath, luxury tier, large size, pro, West region, heated floor + accessibility upgrades, 15% contingency. Subtotal $77,336, contingency $11,600, total $88,936. The large-size factor (1.15×) and West multiplier (1.12×) compound on top of the luxury base.
3. Small powder room, budget, DIY, Midwest — $1,739
Scope powder room, budget tier, small size, DIY-plus-trades, Midwest, no contingency. Total $1,739 — the cheapest credible full refresh: no tub/shower, small footprint, and the homeowner does demo/paint/finishing while a licensed plumber and electrician handle rough-in.
4. Tub-to-shower conversion, midrange — $5,500
Modeled as its own scope because the cost drivers differ (no toilet/vanity work): $3,000 budget, $5,500 midrange, up to $9,000 luxury at national-average pricing. Angi cites $4,000–$4,500 for a straightforward conversion, which sits inside this band.
DIY vs pro: what the savings really look like
Same job (standard full bath, midrange, national): pro-installed $14,500 versus $8,700 DIY-plus-trades — a $5,800 (40.0%) saving. Fixr's per-square-foot data says the same thing: DIY $70–$100/sq ft vs pro $120–$275/sq ft. The savings come from demo, paint and finishing — keep plumbing and electrical rough-in licensed, and never DIY your first shower waterproofing.
Typical timelines
Construction weeks (inspection and fixture lead-time waits not included): a budget powder room takes 1–2 weeks; a typical full bath takes 2–4 weeks; a luxury primary bath with a layout change takes 6–9 weeks. Moving plumbing adds ~2 weeks, luxury tile/stone ~1 week.
ROI: what comes back at resale
Per Remodeling Magazine Cost vs. Value 2024: a $25,251 midrange bathroom remodel recoups 73.7% — about $18,610 added at resale, a net cost of $6,641 (5.6% of a $450,000 home). The upscale version ($81,612) recoups only 42% ($34,277 added, net $47,335). Midrange wins on resale efficiency; luxury pays in daily enjoyment.
Frequently asked questions
How much does a bathroom remodel cost?
Angi (July 2026) puts the national average at $12,100, with most projects landing between $6,600 and $17,600; luxury work runs $30,000+. By scope: powder rooms $1,500–$15,000, full baths $3,500–$20,000, primary baths $7,000–$30,000. As a concrete example, this estimator prices a standard-size full bath, midrange, pro-installed at $15,950 with 10% contingency ($14,500 before contingency).
What is the most expensive part of a bathroom remodel?
Labor. Angi and HomeAdvisor put labor at 40–65% of the total tab, with trades charging $50–$75 per hour. In this estimator's component model the biggest line items are tile (18%), general labor (16%), plumbing rough-in and fixtures (14%), and the tub/shower unit (13%). On the $15,950 worked example that is $2,610 for tile, $2,320 labor, $2,030 plumbing, and $1,885 for the tub/shower.
How much can I save with a DIY bathroom remodel?
About 40% on the same job. A standard full bath, midrange, costs $14,500 pro-installed versus $8,700 with a DIY-plus-trades approach — a saving of $5,800 (40.0%). DIY wins are demolition, paint and finish work; plumbing and electrical rough-in should stay licensed, and Fixr's DIY per-square-foot range ($70–$100 vs $120–$275 pro) points the same way. Botched waterproofing costs more than the labor you saved.
Does a bathroom remodel increase home value?
Yes, but the tier matters more than the total spend. Remodeling Magazine's Cost vs. Value 2024: a $25,251 midrange bathroom remodel recoups 73.7% — about $18,610 added at resale, for a net cost of $6,641. An upscale $81,612 remodel recoups only 42% ($34,277 added, net $47,335). On a $450,000 home the midrange job is 5.6% of the home's value. Angi (2026) similarly cites roughly 55–70% depending on scope.
How long does a bathroom remodel take?
This estimator's timeline module: a budget powder room takes 1–2 weeks; a luxury primary bath with a layout change takes 6–9 weeks. Most full baths run 2–4 weeks. Moving plumbing adds about 2 weeks; luxury tile and stone add about 1 week. Inspection and material-lead-time waits are the wildcard — order fixtures before demo day.
Do I need a permit to remodel a bathroom?
Usually yes if you move pipes, walls, or electrical; Angi cites permit fees of $100–$1,000. Like-for-like fixture swaps often don't need one, but rules are local — check with your building department before demo day. This estimator budgets 5% of the job for permits, design and fees, which covers the typical case.
What drives bathroom remodel cost the most?
Four things, in order: scope (a primary bath costs 4–5x a powder room at the same tier), finish tier, layout changes, and region. Relocating a drain or toilet (a $3,500 base layout-change line item here) plus custom tile can double a quote. Regionally, Angi notes a $20,000 Alabama project can run $30,000 in California with identical materials.
How much does a tub-to-shower conversion cost?
Angi cites $4,000–$4,500 for a straightforward conversion. This estimator models it as its own scope: $3,000 budget, $5,500 midrange, up to $9,000 luxury at national-average pricing. Curbless entries, frameless glass and relocating the drain push you toward the luxury end.
How is this different from a kitchen remodel cost estimate?
Different cost drivers. Kitchens are priced per square foot and dominated by cabinets (about 30%) and appliances (about 15%). Bathrooms are fixture-driven and dominated by tile, plumbing and the tub/shower, with waterproofing as a bathroom-only line item. For a kitchen, use a dedicated kitchen remodel cost calculator instead of this one.
How accurate is this calculator?
It is a planning range, not a contractor bid. The base costs sit inside Angi, HomeAdvisor and Fixr 2024–2026 published ranges, and the model scales them by size, region, labor approach and upgrades. Real quotes vary with access, existing damage, and local labor markets — get three written quotes and keep a 10–20% contingency on top.
Is a luxury bathroom remodel worth it?
For resale, rarely dollar-for-dollar: upscale bathroom work recoups 42% versus 73.7% for midrange (Cost vs. Value 2024). Luxury makes sense if you will enjoy it for years — heated floors, stone, custom glass — not as a flip strategy. A common guardrail is keeping the remodel below 10–15% of the home's value so you don't over-improve for the neighborhood.
What does the waterproofing line item cover?
The membrane or coating behind shower tile, cement backer board, sealed seams, and the shower-pan liner — about 4% of the budget ($580 on the worked example). Skipping it is the classic false economy: a leak behind tile rots framing and subfloor and ruins the ceiling below, turning a remodel into a rebuild.
Related tools
Kitchen remodel cost calculator — the sibling estimator: per-sq-ft kitchen pricing, cabinet/appliance breakdown, kitchen ROI
Tile calculator — how many tiles, thinset bags and grout your wet area needs
Disclaimer: this is a planning-range estimator, not a contractor bid. Base costs are compiled from 2024–2026 published averages (Angi, HomeAdvisor, Fixr); your market, access conditions, and existing damage move the number. Get three written quotes and keep a 10–20% contingency.
Sources: Angi bathroom remodel cost data (updated July 2026), HomeAdvisor bathroom remodel cost (2025), Fixr bathroom remodel worksheet, Remodeling Magazine Cost vs. Value 2024. Full citations in SOURCES.md.
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