Best 10-In Rough-In Toilets in 2026: 8 Picks Compared on Specs
The TOTO Drake WASHLET+ with a 1.2 to 1.4 GPF flush is our top pick for a 10-inch rough-in toilet. It pairs a chair height elongated bowl with a built-in bidet seat, making it the most feature-complete model we found. To choose the best of the eight 10-inch rough-in toilets in this list, we compared construction, seat height, flush type, and smart features, using only the specs each seller provides.
8 picks from 4 toilets that match this guide with a price we can quote today, made by 26 makers. The prices below are current and each carries its read time.
Quick picks
The best fit for you
- For smart bathroom enthusiasts: If you want a toilet and bidet combined, the TOTO Drake WASHLET+ models are the only smart picks in this 10-inch rough-in pool. See pick 1
- For small bathrooms: The DeerValley compact one-piece is designed to save space while offering a dual flush, making it a good fit for tight powder rooms. See pick 3
- For chair height and accessibility: Several of these toilets come with chair height bowls, which can be more comfortable for seniors or people with mobility issues. See pick 6
- For modern design: If you prefer a square or one-piece silhouette, the Swiss Madison Concorde offers a contemporary take on a dual flush toilet. See pick 5
Our 8 picks
1 Best overall
TOTO® Drake® WASHLET®+ Two-Piece Elongated 1.28 GPF Universal Height
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.2 to 1.4 GPF
- Seat height
- Chair height
- Rough-in
- 10 in
- Bidet built in or included
- Yes
It is the only pick that bundles a bidet seat with the toilet, and its 1.2 to 1.4 GPF flush is the lowest among the two-piece models here. The chair height bowl and TORNADO FLUSH system complete the package.
Pros
- Integrated WASHLET+ bidet with contemporary design
- 1.2 to 1.4 GPF, which meets WaterSense efficiency criteria
- Chair height elongated bowl for easier access
- TORNADO FLUSH system for a thorough clean
Cons
- Single flush only, unlike the dual flush picks in this list
- Two-piece configuration requires more assembly than one-piece toilets
Good fit if
- Homes with a 10-inch rough-in that want a full bidet and toilet combo
- Users who prefer a chair height elongated bowl
Skip if
- Those who want a compact one-piece toilet for a small bathroom
- Buyers who need a dual flush toilet
Verdict: The TOTO Drake WASHLET+ is the most feature-complete 10-inch rough-in toilet here, bundling a smart bidet with an efficient flush.
2 Best smart pick with standard flush
TOTO® Drake® WASHLET®+ Two-Piece Elongated 1.6 GPF Universal Height
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.5 to 1.6 GPF
- Seat height
- Chair height
- Rough-in
- 10 in
- Bidet built in or included
- Yes
Offers the same WASHLET+ bidet and chair height elongated bowl as the top pick, but with a 1.6 GPF flush. This is a good alternative when you prefer a standard flush volume or need a touch more water for waste transport.
Pros
- Integrated bidet and toilet combo
- 1.6 GPF flush, the federal standard maximum
- Chair height elongated bowl
- TORNADO FLUSH system
Cons
- Uses more water than the 1.2 to 1.4 GPF TOTO in this list
- Two-piece design
- Single flush only
Good fit if
- Users who want a smart bidet with a conventional 1.6 GPF flush
- Households with a 10-inch rough-in and an electrical outlet near the toilet
Skip if
- Those seeking maximum water efficiency
- Buyers who want a one-piece toilet
Verdict: A well-equipped smart toilet that trades a bit of water savings for the security of a full 1.6 GPF flush.
3 Best compact one-piece
DeerValley Compact One Piece Toilet Standard Seat Height for Small
- Pieces
- One-piece
- Flush
- Dual flush
- Gallons per flush
- 1.5 to 1.6 GPF
- Seat height
- Standard height
- Rough-in
- 10 in
- Compact
- Yes
$215.00 (as of 10/14/2026 22:54 PDT - Details)
This DeerValley is the only compact one-piece in the pool, making it an easy fit for small bathrooms. Its dual flush system uses 1.1 GPF for liquid waste and 1.6 GPF for solid, and it sits at standard height, which some users prefer over chair height.
Pros
- Compact one-piece design saves floor space
- Dual flush with 1.1/1.6 GPF options
- Standard height seat for a traditional feel
Cons
- Bowl shape not specified as elongated
- Not a chair height model
- Less common brand compared with Kohler or TOTO
Good fit if
- Small bathrooms where every inch counts
- Users who prefer a standard height toilet
Skip if
- Those who need a chair height bowl
- Buyers who want an elongated bowl
Verdict: A space-saving one-piece with a flexible dual flush system for compact bathrooms.
4 Best elongated one-piece dual flush
St. Tropez One Piece Elongated Toilet Dual Vortex Flush 1.1/1.6 gpf
- Pieces
- One-piece
- Bowl shape
- Elongated
- Flush
- Dual flush
- Gallons per flush
- 1.5 to 1.6 GPF
- Rough-in
- 10 in
The St. Tropez pairs a one-piece body with an elongated bowl and dual flush capability, a combination not found in the compact DeerValley. It uses 1.1 and 1.6 GPF, and the 10-inch rough-in configuration is baked into the product name.
Pros
- Elongated one-piece design
- Dual flush with 1.1/1.6 GPF
- 10-inch rough-in model
Cons
- Seat height not stated by the seller
- No mention of WaterSense certification
- One-piece but not a chair height option
Good fit if
- Users who want an elongated bowl and a one-piece silhouette
- Those who prefer a dual flush toilet
Skip if
- Buyers who require a chair height seat
- Those who need a compact or round bowl
Verdict: A solid elongated one-piece dual flush toilet for a 10-inch rough-in.
5 Best square one-piece
Swiss Madison SM-1T278
- Pieces
- One-piece
- Flush
- Dual flush
- Gallons per flush
- 1.5 to 1.6 GPF
- Rough-in
- 10 in
The Swiss Madison Concorde stands out with its square bowl design, a departure from the typical elongated or round shapes. It's a one-piece dual flush model with 1.1/1.6 GPF, and the 10-inch rough-in is built into the part number.
Pros
- Square bowl design for a modern look
- One-piece construction
- Dual flush (1.1/1.6 GPF)
Cons
- Seat height not stated
- Bowl shape may not suit everyone
- No elongated or round option
Good fit if
- Design-forward bathrooms that want a contemporary square toilet
- Users who prefer a one-piece and dual flush setup
Skip if
- Those who want an elongated or round bowl
- Buyers who need a chair height seat
Verdict: A stylish one-piece square toilet with dual flush for a 10-inch rough-in.
6 Best chair height two-piece
Kohler KOH3889-0 Highline 1.28 GPF Two-Piece Elongated Comfort Height
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.2 to 1.4 GPF
- Seat height
- Chair height
- Rough-in
- 10 in
Kohler's Highline is a classic two-piece with a chair height elongated bowl and a 1.28 GPF flush, meeting the WaterSense efficiency threshold for single flush toilets. It's a straightforward choice from a well-known brand.
Pros
- Chair height elongated bowl
- 1.28 GPF flush, which meets WaterSense criteria
- Two-piece design from a major manufacturer
Cons
- Not a dual flush model
- Two-piece assembly
- No additional smart features
Good fit if
- Users who want a reliable chair height toilet from Kohler
- Those who prefer a two-piece with a standard rough-in
Skip if
- Buyers who want a one-piece or dual flush
- Those seeking a compact footprint
Verdict: A dependable two-piece chair height toilet with efficient 1.28 GPF flush.
7 Best with EverClean surface
Cadet Pro Elongated Two-Piece Toilet with EverClean Surface
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Seat height
- Chair height
- Rough-in
- 10 in
$341.25 (as of 10/14/2026 22:44 PDT - Details)
The American Standard Cadet Pro includes EverClean surface coating and a PowerWash rim, features aimed at reducing buildup. It offers a chair height elongated bowl and a two-piece build for a 10-inch rough-in, though the flush volume is not listed.
Pros
- EverClean surface to inhibit bacteria growth (as claimed by American Standard)
- PowerWash rim design
- Chair height elongated bowl
Cons
- Flush volume not stated by the seller
- Two-piece design
- No dual flush option
Good fit if
- Users who prioritize a self-cleaning surface
- Those who need a chair height elongated two-piece
Skip if
- Buyers who need a stated flush volume
- Those who prefer a one-piece toilet
Verdict: A feature-rich two-piece chair height toilet with surface treatment, but lacking flush specs.
8 Best basic chair height option
American Standard 3519A101.020 Edgemere Right Height Elongated Toilet
- Bowl shape
- Elongated
- Seat height
- Chair height
- Rough-in
- 10 in
$171.47 (as of 10/14/2026 22:29 PDT - Details)
The American Standard Edgemere is a simple chair height elongated toilet with a 10-inch rough-in. It lacks the flush and construction details of the other picks, but it fills a basic need when you only require a chair height model.
Pros
- Chair height elongated bowl
- 10-inch rough-in specifically
- Simple, straightforward design
Cons
- Piece type not stated
- Flush volume not stated
- No additional features like dual flush or smart controls
Good fit if
- Users who need a basic chair height toilet without extras
- Those who only need a 10-inch rough-in and chair height
Skip if
- Buyers who want a one-piece or two-piece designation
- Those who require a specific GPF or dual flush
Verdict: A no-frills chair height elongated toilet for a 10-inch rough-in, with several specs left undisclosed.
Specifications side by side
| # | Toilet | Pieces | Bowl shape | Flush | Gallons per flush | Seat height | Rough-in |
|---|---|---|---|---|---|---|---|
| 1 | TOTO® Drake® WASHLET®+ Two-Piece Elongated 1.28 GPF Universal Height | Two-piece | Elongated | not stated | 1.2 to 1.4 GPF | Chair height | 10 in |
| 2 | TOTO® Drake® WASHLET®+ Two-Piece Elongated 1.6 GPF Universal Height | Two-piece | Elongated | not stated | 1.5 to 1.6 GPF | Chair height | 10 in |
| 3 | DeerValley Compact One Piece Toilet Standard Seat Height for Small | One-piece | not stated | Dual flush | 1.5 to 1.6 GPF | Standard height | 10 in |
| 4 | St. Tropez One Piece Elongated Toilet Dual Vortex Flush 1.1/1.6 gpf | One-piece | Elongated | Dual flush | 1.5 to 1.6 GPF | not stated | 10 in |
| 5 | Swiss Madison SM-1T278 | One-piece | not stated | Dual flush | 1.5 to 1.6 GPF | not stated | 10 in |
| 6 | Kohler KOH3889-0 Highline 1.28 GPF Two-Piece Elongated Comfort Height | Two-piece | Elongated | not stated | 1.2 to 1.4 GPF | Chair height | 10 in |
| 7 | Cadet Pro Elongated Two-Piece Toilet with EverClean Surface | Two-piece | Elongated | not stated | not stated | Chair height | 10 in |
| 8 | American Standard 3519A101.020 Edgemere Right Height Elongated Toilet | not stated | Elongated | not stated | not stated | Chair height | 10 in |
How the picks were chosen
We started with a pool of 8 toilets that list a 10-inch rough-in on their product pages. We shortlisted every entry because the pool is small. We then compared each model on construction, seat height, flush type, and extra features, and we noted when a specification was missing. Of these, 3 are one-piece, 4 are two-piece, and 1 does not state its construction. 5 have chair height bowls, 1 has standard height, and 2 do not state seat height. 6 have elongated bowls, 1 is compact, and 1 is square. 3 are dual flush. Prices are live and read from the store listing; we did not physically test any toilet. This guide is based on the published specifications and manufacturer descriptions.
Picking the right one for you
What is a 10-inch rough-in?
The rough-in is the distance from the finished wall to the center of the toilet's floor flange. A 10-inch rough-in is less common than the standard 12-inch, so this guide focuses specifically on models built for that spacing. Before you shop, measure this distance in your bathroom to avoid buying a toilet that won't align with your drain pipe.
One-piece vs. two-piece
One-piece toilets mold the tank and bowl into a single unit, which generally makes them easier to clean and gives a sleeker appearance. Two-piece toilets have a separate tank that bolts onto the bowl, often making them lighter and easier to ship and install. In this pool, three are one-piece, four are two-piece, and one does not state its construction.
Chair height vs. standard height
Chair height toilets, also called comfort height or universal height, have a bowl that sits roughly the same height as a standard chair, which can be easier for older users and people with mobility limitations. Standard height models are lower and may feel more familiar to some users. Among these picks, five are chair height, one is standard height, and two do not state the seat height.
Flush types: dual flush vs. single flush
Dual flush toilets provide two buttons or handles: a reduced 1.1 GPF flush for liquid waste and a full 1.6 GPF flush for solid waste. Single flush toilets use one fixed volume, typically 1.28 or 1.6 GPF. Three of the eight picks here are dual flush, while the rest use a single flush mode. Your choice depends on whether you want the flexibility of selecting a lighter flush.
Smart features and bidets
Some toilets in this list come with a built-in bidet seat, offering features like warm water washing and a heated seat. These models require an electrical outlet near the toilet and typically use a two-piece design. If you want a smart bathroom setup, look for the TOTO Drake WASHLET+ models. If you prefer a simpler installation, stick with a non-electronic toilet.
Water efficiency and WaterSense
WaterSense labeled toilets use 1.28 gallons per flush or less while meeting EPA performance criteria. According to the EPA, this saves about 20 percent more water than the federal standard of 1.6 GPF. Several picks here, including the TOTO and Kohler models, are in that range. Always check the product listing for WaterSense certification if that is important to you.
Questions
What does a 10-inch rough-in mean?
A 10-inch rough-in means the distance from the finished wall to the center of the floor drain flange is 10 inches. This is a less common size than the standard 12-inch rough-in. You need to measure your bathroom's rough-in to ensure a toilet with a 10-inch rough-in will fit your drain alignment.
Can I install a 10-inch rough-in toilet in a bathroom with a 12-inch rough-in?
No, a 10-inch rough-in toilet is designed for a 10-inch distance. Installing it on a 12-inch rough-in would leave a gap behind the tank and may not align with the drain. You would need to move the drain pipe or choose a toilet that matches your actual rough-in measurement.
Are all 10-inch rough-in toilets the same bowl size?
No, bowl size varies by shape. In this guide, most picks have elongated bowls, one is compact, and one is square. Elongated bowls offer extra seating space, while round or compact bowls take up less room. Choose based on the space you have and your seating preference.
Do I need a bidet seat with these toilets?
No, only the two TOTO models in this list include a built-in bidet seat. The other picks are traditional toilets without bidet functionality. If you want a bidet, you could choose the TOTO models or later purchase an aftermarket bidet seat that fits a standard toilet bowl.
Are dual flush toilets more efficient than single flush models?
Dual flush toilets can save more water because you choose a lighter 1.1 GPF flush for liquid waste. However, the actual savings depend on your usage patterns. Both dual flush and 1.28 GPF single flush toilets can meet the EPA WaterSense criteria, so either type can be efficient.
Revision notes
- : First published.