
Bathtub Installation Cost Calculator
Get an instant free estimate for a bathtub — by tub type, installation scope, and surround, for alcove, drop-in, freestanding, whirlpool, and walk-in tubs.
Free Bathtub Installation Cost Calculator
Use this calculator to calculate the cost of bathtub installation near you for free. Enter your ZIP code for a localized estimate.
Number of Tubs
Enter how many bathtubs you want installed. Most projects are a single tub.
Bathtub Type:
Installation Scope:
Surround / Walls:
Additional Services:
Estimates are instant and require no contact information.
Based on inputs, your Bathtub Installation project cost is approximately:
Note that the cost above is purely an estimate.
The actual cost may be higher or lower depending on the contractor's quote.
How Much Does Bathtub Installation Cost?
Installing a bathtub typically runs $1,500 to $8,000 including the tub and labor — a basic alcove replacement at the low end, a walk-in or high-end freestanding tub with a new tiled surround at the high end. The tub unit and installation labor are the main costs.
The cost is driven by the tub type (alcove is cheapest, walk-in the priciest), the installation scope(a same-spot replacement is far cheaper than moving plumbing), and the surround (reuse vs. panel kit vs. new tile). The single biggest way to keep it down is to match the new tub to your existing plumbing and alcoveso it's a like-for-like swap. Use the calculator above to localize the estimate, then read on for what drives the quote.
Bathtub Installation Cost by Tub Type & Options
Average Installed Cost by Bathtub Type
| Bathtub Type | Installed (Each) | Notes |
|---|---|---|
| Standard Alcove | $1,000 – $2,500 | Most common, tub-shower combo. |
| Drop-In | $1,500 – $3,500 | Built into a deck / platform. |
| Freestanding / Whirlpool | $2,500 – $6,000 | Statement soaking or jetted. |
| Walk-In | $5,000 – $15,000 | Accessibility, sealed door. |
Source: Baseline labor anchored to U.S. Bureau of Labor Statistics, Plumbers, Pipefitters & Steamfitters (SOC 47-2152); material and ranges reflect our aggregated installer quote data across U.S. markets. Assumes a same-spot replacement with a new surround kit.
Scope, Surround & Add-On Costs
| Item | Cost | Notes |
|---|---|---|
| Upgrade / New Install & Move Plumbing | +15% / +40% | Same-spot replacement is the baseline. |
| New Surround Kit / New Tile | +15% / +35% | Reusing the surround is the baseline. |
| Waterproofing / New Faucet & Valve | $350 – $400 | Membrane behind surround; tub filler & trim. |
| Remove Old Tub / Plumbing Reconnect | ~$300 each | More for heavy cast iron; drain & supply hookup. |
| Permit / Access Panel | $150 – $250 | Inspection; future plumbing access. |
Source: Aggregated quote ranges from licensed installers and plumbers. Regional adjustments applied via the calculator above.
The 6 Factors That Drive Your Quote
1. Bathtub Type & Quantity
The type is the biggest driver: a standard alcove (~$1,200) is most economical, a drop-in (~$1,700) more, freestanding and whirlpool/jetted (~$2,800–$3,200) pricier, and a walk-in accessibility tub (~$5,500) the most. Most projects are a single tub, but the calculator multiplies by quantity. A job minimum applies.
2. Installation Scope
How much work the install involves. Replacing a tub in the same spot, reusing the plumbing location, is the cheapest baseline. An upgrade with some changes (a different style needing minor plumbing/framing tweaks) adds about 15%. A new install or one that moves the plumbing or builds a new alcove/deck adds about 40%. Matching the existing setup keeps cost down.
3. Surround / Walls
The walls around the tub are a major part of many projects. Reusing the existing surround/tile is cheapest. A new tub-surround panel kit (prefab acrylic/PVC) adds about 15% and is quick and watertight. A new tiled surround adds about 35% — the most attractive and durable, but the most labor, and it needs waterproofing behind it.
4. Old-Tub Removal
Taking out the old tub is its own line item, and a heavy cast-iron tub is especially labor-intensive — often broken up to get it out of the bathroom. Removal can also reveal water damage or rot behind the old surround that needs fixing before the new tub goes in. New construction skips this.
5. Plumbing & Faucet
Most installs need at least a plumbing reconnect — hooking up the drain/overflow and supply when the new tub lines up. A new tub type, size, or location means relocating the drain and supply lines, which is more involved. A new faucet, valve, and trim (the tub filler and controls) are commonly part of the job, especially with a new surround.
6. Waterproofing, Permit & Access
The protective and code items: a waterproofing membrane behind a new surround to prevent leaks and mold, a permit and inspection for plumbing changes, and a plumbing access panel for future repairs. These protect the install and keep it code-compliant — small costs that prevent big problems.
Which Tub — and How to Keep Install Cost Down
The tub type sets most of the cost; the scope and surround set the rest. Here's the honest breakdown.
Pick the type by need
- Alcove — best value and the only practical tub-shower combo for a single bathroom.
- Freestanding / soaking — a luxury statement for a master bath, at a premium.
- Whirlpool / jetted — for hydrotherapy (needs electrical).
- Walk-in — for accessibility and aging-in-place safety, the priciest option.
Keep the install affordable
- Replace with the same type in the same spot so the plumbing just reconnects.
- Reuse a sound surround, or choose a panel kit over new tile if budget matters.
- Avoid moving the plumbing — relocation is the most expensive change.
For resale
- Keep at least one tub in the home — many buyers, especially families, expect one.
How to Vet a Bathtub Installer
A tub install is plumbing plus a wet surround, so the watertight details and the surround waterproofing matter most. Before you hire:
- Confirm how they waterproof a new surround — membrane or backer board behind tile, sealed at the tub edge.
- Ask about old-tub removal — especially the plan for a heavy cast-iron tub.
- Verify licensing, insurance, and references for comparable tub installs (and walk-in tub experience if relevant).
- Clarify the plumbing — a simple reconnect vs. relocation, and who supplies the faucet/valve.
What a complete quote should spell out
- The tub type, the install scope, and the surround being supplied.
- Whether old-tub removal, waterproofing, a faucet/valve, and a permit are included.
- The plumbing plan (reconnect vs. relocate) and any electrical for a jetted/walk-in tub.
- Lead time for a special-order tub, cure times, and the workmanship warranty.
Methodology & Sources
This calculator starts from an installed base cost per tub by type (alcove $1,200, drop-in $1,700, freestanding $2,800, whirlpool/jetted $3,200, walk-in $5,500), multiplies it by an installation-scope factor (replace same ×1.0, upgrade ×1.15, new install/move plumbing ×1.40) and a surround factor (reuse ×1.0, panel kit ×1.15, new tile ×1.35), multiplies by the quantity of tubs, then adds flat add-ons(waterproofing membrane, new faucet/valve/ trim, old-tub removal, plumbing reconnect, permit, and a plumbing access panel), enforces a minimum, and scales the result to your ZIP code's regional price level. In short: (Tub Base × Scope × Surround) × Qty + Add-ons, × Regional Factor. Baseline labor is anchored to federal plumbing wage data and calibrated against our aggregated installer quotes.
Data sources:
- U.S. Bureau of Labor Statistics — Plumbers, Pipefitters & Steamfitters (SOC 47-2152)
- National Kitchen & Bath Association (NKBA)
- ADA — Accessible Bathing & Walk-In Tub Guidance
For a full explanation of how every calculator on this site is built and localized, see our methodology page.
About the Reviewer
Master Plumber
Master plumber focused on water heaters, repipes, leak detection, and whole-home water systems.
View full profile & credentials →Frequently Asked Questions
Installing a bathtub typically runs $1,500 to $8,000 including the tub and labor — a basic alcove replacement at the low end, a walk-in or high-end freestanding tub with a new tiled surround at the high end. The cost depends mainly on the tub type (alcove cheapest, then drop-in, then freestanding and whirlpool/jetted, with a walk-in tub the most expensive), the installation scope (replacing in the same spot is cheapest; a new install or moving the plumbing costs more), and the surround (reusing the walls is cheapest, a panel kit is mid-range, new tile is priciest). Old-tub removal (especially heavy cast iron), a new faucet/valve, plumbing work, and waterproofing add to the total. Enter your tub type, scope, and surround in the calculator to anchor the estimate.
Alcove tubs are the most common and economical — a rectangular tub in a three-wall recess with a finished front apron, often used as a tub-shower combo. Drop-in tubs have no finished apron and drop into a built-up deck or platform for a custom look, which adds the cost of building the deck. Freestanding tubs are standalone, sculptural tubs (from classic clawfoot to modern soakers) that make a design statement and cost more, needing floor-mounted or appropriate plumbing. Whirlpool/jetted (and air-jet) tubs add built-in jets and a pump for a spa-like soak, costing more and requiring electrical. Walk-in tubs have a watertight side door, a built-in seat, and grab bars for accessibility — the most expensive type. Material (acrylic, fiberglass, enameled steel, cast iron, stone) also affects cost, weight, and durability. The calculator prices alcove, drop-in, freestanding, whirlpool/jetted, and walk-in.
Yes — a like-for-like swap in the same location is the cheapest scenario because it minimizes plumbing, framing, and surround work. The existing drain and supply/valve usually line up with the new tub (just a reconnect, not a relocation), the alcove is already there and sized, and if the surround is sound you avoid retiling. Costs climb when you change things: switching tub types (alcove to freestanding or walk-in) often needs different or relocated plumbing and surround/framing changes; moving the tub means rerouting the drain and supply (significant plumbing, possibly opening walls/floor); a larger tub may need framing changes; and a new tiled surround adds tile work. Removing a heavy cast-iron tub is more labor too. To save, replace with the same type and size in the same spot and reuse or simply update the surround. The calculator's scope and surround options reflect this.
A walk-in tub is built for accessibility: a watertight, hinged door in the side lets you step through a low threshold and sit on a built-in seat, instead of climbing over a high tub wall — safer for elderly or mobility-limited users. They typically include the sealed door, a seat, grab bars, anti-slip surfaces, and often water/air jets, a heated seat, and quick fill/drain. Because you sit inside and the door seals, the tub fills with you in it and drains before you exit (faster fill/drain is a common upgrade). They're the most expensive tub type — units often run $2,000–$10,000+ and installed totals commonly $5,000–$15,000+, especially with plumbing/electrical changes or a dedicated circuit for jets. For aging-in-place and safety, they're a valuable (if pricier) option; a specialist installer can match a model to your needs and handle the plumbing/electrical.
Often, yes — though sometimes you can reuse it. You can keep the existing surround if the new tub is the same size and type, fits the alcove exactly, and the walls are sound and you like them — but getting a clean, watertight seal at the new tub's edge can be tricky, and any size mismatch leaves gaps. More often the surround is redone, because removing the old tub usually breaks the bottom row of tile (the surround overlaps the tub edge), the new tub may be a slightly different size, the old surround may be dated or moldy, or the waterproofing behind it is compromised. When redoing it, a panel kit (prefab acrylic/PVC) is economical and quick, while a new tiled surround is the most attractive and durable but the priciest and needs proper waterproofing behind it. Many tub swaps include at least a panel kit because of the disruption during removal. The calculator lets you reuse, install a kit, or tile, plus a waterproofing add-on.
It depends on the household and the bathroom. Keep a tub when you bathe young kids or pets, want the option of a relaxing soak, or need broad resale appeal — at least one tub in the home is generally recommended, since many buyers (especially families) want one, and a tub-shower combo packs both into one bathroom. Convert to a walk-in shower for a modern open look, easier accessibility (no high wall to step over), easier cleaning, and water efficiency — common in a master/primary bath where a soak matters less, or for aging-in-place. Many homes do both: a tub or tub-shower combo in the family bath and a walk-in shower in the master. Costs are comparable depending on scope. The site also has walk-in shower and shower remodel calculators to compare. Keeping at least one tub is the safe play for resale.
It can, especially when it modernizes a dated bathroom or ensures the home has a desirable, functional tub. Bathrooms are a key area buyers evaluate, so replacing an old, stained tub with a fresh one (and a clean surround) helps the bathroom show well at a relatively modest cost. Importantly, having at least one tub is recommended for resale — a home with no tub can turn off family buyers — so keeping a nice tub in the main or family bath supports broad appeal, while a luxurious freestanding soaker in a master adds a desirable spa-like feature. As with most single upgrades, a tub is part of the overall bathroom impression rather than a guaranteed standalone payback, and you usually won't recoup the full cost at resale — but a fresh, watertight, attractive tub adds both appeal and daily enjoyment. Choose quality appropriate to your home and pair it with updated fixtures.
It ranges from about a day for a simple swap to several days for a bigger project. A straightforward replacement (same type and size, same spot, reusing the plumbing and surround) is often a one-day job — remove the old tub, set and secure the new one, connect the drain/overflow and plumbing, and finish. It takes longer when a new surround is added (a panel kit is quick; a new tiled surround adds days for tiling, waterproofing, and grout curing), when the plumbing must be relocated (rerouting the drain/supply, possibly opening walls), when removing a heavy cast-iron tub, or for a walk-in or freestanding tub with special steps (jetted tubs need electrical). Add lead time to order a special tub, permits if required, and curing time before use. A same-spot swap is quick; new tile, plumbing changes, and specialty tubs take longer.
Acrylic is the most popular for replacements — lightweight, warm to the touch, durable, repairable, and available in many shapes and colors, including most freestanding and walk-in tubs; it's a great all-rounder. Fiberglass (FRP) is the most affordable and lightest but the least durable, more prone to scratching and fading — fine for budget or rental jobs. Enameled steel is a porcelain-coated steel tub, inexpensive and harder than fiberglass but cold and prone to chipping. Cast iron is extremely durable and retains heat beautifully with a classic look, but it's very heavy (it may need floor reinforcement and is hard to remove) and costs more. Stone or stone-resin tubs are premium freestanding options — heavy and pricey but luxurious. For most installs, acrylic balances cost, weight, durability, and looks; cast iron suits a heirloom-quality alcove or clawfoot if you can handle the weight.
Usually, yes — both the tub and the install run higher. Freestanding tubs cost more as units, and they often need floor-mounted or specially-routed plumbing for a freestanding faucet or a floor/wall supply, which is more involved than the standard wall valve and drain of an alcove tub. They also sit out in the room, so the floor must be level and sometimes reinforced (especially for heavy stone or cast-iron models filled with water), and you lose the tub-shower-combo efficiency of an alcove. There's no three-wall surround to tile, which saves some cost, but the specialty plumbing and the pricier tub typically outweigh that. An alcove tub is the budget-friendly, space-efficient choice; a freestanding tub is a design statement you pay a premium for. The calculator prices both, with scope and plumbing add-ons to reflect the difference.