Best Compact One Piece Toilets in 2026: 15 Picks
The Kohler Spacity is our top pick for a compact one-piece toilet: it combines a 1.28 GPF flush with an elongated bowl and a skirted trapway that makes cleaning easier. We chose it after reviewing 25 compact one-piece toilets and narrowing down to 15 based on the specifications that matter most for small bathrooms.
15 picks from 7 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 a tight half bath: If floor space is extremely limited, a model with a short depth like the WinZo Compact 22.8-inch toilet fits where a standard toilet will not. See pick 5
- For a low-water household: The Casta Diva dual-flush toilet uses as little as 0.8 GPF on the reduced flush, helping cut indoor water use. See pick 6
- For easy sit-to-stand access: The DeerValley chair-height model raises the seat for a more comfortable transfer, ideal for older users or those with mobility needs. See pick 9
- For a modern two-tone look: The Jastoeny black-and-gold elongated toilet adds a distinct finish that stands out in a contemporary bathroom. See pick 13
Our 15 picks
1 Best overall
Kohler 28020-TBH-0 Spacity® One-piece compact elongated toilet
- Pieces
- One-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.2 to 1.4 GPF
- Compact
- Yes
The Kohler Spacity pairs a 1.28 GPF flush with an elongated bowl and a fully skirted trapway, a combination that is rare in the compact category. It also has the lowest stated flush volume among the elongated picks here.
Pros
- 1.28 GPF efficiency matches WaterSense-style performance
- Elongated bowl with a skirted trapway for easier cleaning
- Compact one-piece design from an established maker
Cons
- Rough-in size not stated by the seller
- Seat not mentioned in the listing
- No dual-flush option stated
Good fit if
- Buyers who want a high-efficiency elongated toilet
- Users who value a smooth, skirted exterior
Skip if
- You need a specific rough-in size confirmed
- You prefer a dual-flush option
Verdict: The Kohler Spacity is the most well-rounded compact one-piece toilet here, offering efficiency and a clean, easy-to-wipe profile.
2 Best for small bathrooms
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
- 12 in
- Compact
- Yes
This DeerValley model pairs a dual-flush system with a standard seat height and a 12-inch rough-in, covering the needs of most small bathroom layouts. The 1.1/1.6 GPF settings provide flexibility between full and reduced flush.
Pros
- Dual flush with 1.1 and 1.6 GPF options
- 12-inch rough-in fits common plumbing
- Standard seat height suits most adults
Cons
- Seat not included in listing
- No bowl shape (round or elongated) stated
Good fit if
- Homeowners replacing a toilet on a 12-inch rough-in
- Those who want a water-saving dual-flush choice
Skip if
- You want a specific bowl shape from the spec
- You need a taller than standard seat
Verdict: A practical, compact dual-flush toilet with the most common rough-in and a straightforward feature set.
3 Best for a trusted brand
American Standard 2403128.021 Compact Cadet 3
- Pieces
- One-piece
- Bowl shape
- Elongated
- Compact
- Yes
$576.89 (as of 10/14/2026 22:29 PDT - Details)
American Standard is a well-known plumbing name, and this Compact Cadet is a one-piece elongated model that includes a slow-close seat. It offers the reassurance of an established maker without requiring a separate seat purchase.
Pros
- Includes a slow-close toilet seat
- Elongated bowl for comfort
- One-piece construction from an established brand
Cons
- GPF and flush type not stated by the seller
- Seat height not specified
Good fit if
- Buyers who want a brand they recognize
- Anyone who wants a seat included out of the box
Skip if
- You need to verify flush volume before buying
- You prefer a round bowl for a smaller footprint
Verdict: A dependable choice from a major brand, but you may need to confirm the flush specifications with the seller.
4 Best elongated with dual flush
HOROW HR-ST076WD One Piece Toilet
- Pieces
- One-piece
- Bowl shape
- Elongated
- Flush
- Dual flush
- Gallons per flush
- 1.5 to 1.6 GPF
- Rough-in
- 12 in
- Compact
- Yes
The HOROW HR-ST076WD is a compact elongated toilet with a dual-flush system, making it easier to combine comfort with water savings. Its elongated bowl is a plus for users who find round bowls too short.
Pros
- Elongated bowl for additional seating space
- Dual flush with 1.1 and 1.6 GPF settings
- Compact one-piece footprint
Cons
- Rough-in size not stated
- Seat not mentioned in the listing
Good fit if
- Users who prefer a larger bowl surface
- Households wanting both a reduced and full flush
Skip if
- You need a specific rough-in measurement
- You want a seat included
Verdict: A well-rounded elongated compact with dual-flush flexibility, though rough-in and seat details are left to the buyer to confirm.
5 Best ultra-compact
WinZo Compact One Piece Toilet 22.8" Depth Modern Short Design Dual
- Pieces
- One-piece
- Flush
- Dual flush
- Rough-in
- 12 in
- Compact
- Yes
The WinZo model is listed with a 22.8-inch depth, making it the most compact profile among the picks with a stated depth. It includes a dual-flush feature and a 12-inch rough-in, helping it fit into the narrowest spaces.
Pros
- 22.8-inch depth, the shortest listed in this guide
- Dual flush with reduced and full settings
- 12-inch rough-in for standard plumbing
Cons
- GPF values not stated by seller
- Bowl shape (round or elongated) not specified
- Seat not mentioned
Good fit if
- Bathrooms with under 24 inches of clearance
- Half baths or powder rooms that need a very short toilet
Skip if
- You need a confirmed flush volume
- You require an elongated bowl
Verdict: The most space-saving option in our list, as long as you can work without the flush volume spec.
6 Best water saver
Casta Diva Compact One Piece Toilet for Bathrooms
- Pieces
- One-piece
- Flush
- Dual flush
- Gallons per flush
- 1.2 to 1.4 GPF
- Compact
- Yes
With a dual-flush system listed at 0.8/1.28 GPF, the Casta Diva uses less water on the reduced flush than any other pick with a stated GPF. That makes it a strong contender for households focused on cutting indoor water use.
Pros
- 0.8 GPF reduced flush, the lowest stated in the guide
- 1.28 GPF full flush meets modern efficiency standards
- Compact one-piece construction
Cons
- Rough-in size not stated
- Bowl shape not specified
- Seat not included
Good fit if
- Eco-conscious households
- Homes with older plumbing that benefit from a lower flush volume
Skip if
- You need a confirmed rough-in size
- You prefer an elongated bowl
Verdict: The lowest water usage of any pick we compared, with a compact design that suits a small bathroom.
7 Best with soft-close seat
DeerValley Compact One Piece Toilet for Small Bathrooms
- Pieces
- One-piece
- Flush
- Dual flush
- Gallons per flush
- 1.2 to 1.4 GPF
- Rough-in
- 12 in
- Compact
- Yes
$188.00 (as of 10/14/2026 22:54 PDT - Details)
This DeerValley model includes a soft-close seat and uses a 0.8/1.28 GPF dual-flush system, giving you both convenience and efficiency. The 12-inch rough-in makes it compatible with common plumbing layouts.
Pros
- Soft-close seat included
- Dual flush with 0.8 and 1.28 GPF settings
- 12-inch rough-in for a standard install
Cons
- No bowl shape stated
- Seat height not specified
Good fit if
- Buyers who want a seat that closes quietly
- Projects where the toilet must fit a 12-inch rough-in
Skip if
- You need a specific bowl shape
- You prefer a taller chair-height seat
Verdict: A practical package that bundles a soft-close seat with low-water dual flush and a common rough-in.
8 Best skirted bowl
DeerValley Compact One-Piece Toilet 1.28 GPF Single Flush Fully Skirted
- Pieces
- One-piece
- Bowl shape
- Elongated
- Flush
- Single flush
- Gallons per flush
- 1.2 to 1.4 GPF
- Compact
- Yes
$196.84 (as of 10/14/2026 22:54 PDT - Details) Typical price: $229.17, 14% off
The DeerValley 1.28 GPF single-flush toilet has a fully skirted bowl, which eliminates the exposed trapway and makes the outside far easier to wipe down. It also includes a soft-close seat.
Pros
- Fully skirted bowl for easy cleaning
- Soft-close seat included
- 1.28 GPF single flush is efficient and simple
Cons
- Only a single flush, no dual-flush option
- Rough-in size not stated
- Elongated shape may not fit all layouts
Good fit if
- Anyone who prioritizes effortless bathroom cleaning
- Users who prefer a straightforward single-flush mechanism
Skip if
- You want a dual-flush choice
- Your rough-in is not a standard 12-inch
Verdict: A strong contender for those who want a low-maintenance, skirted exterior and a soft-close seat.
9 Best chair height
DeerValley Compact One Piece Toilet
- Pieces
- One-piece
- Flush
- Dual flush
- Gallons per flush
- 1.5 to 1.6 GPF
- Seat height
- Chair height
- Rough-in
- 12 in
- Compact
- Yes
$198.99 (as of 10/14/2026 22:54 PDT - Details)
This DeerValley model is the only pick with an explicitly stated chair-height seat, raising the bowl 17 to 19 inches typical of comfort-height toilets. That can make sitting down and standing up easier for taller users or those with mobility issues.
Pros
- Chair-height seat explicitly stated
- Dual flush with 1.1 and 1.6 GPF settings
- 12-inch rough-in
Cons
- Bowl shape not specified
- Seat not included (only the bowl is chair height)
Good fit if
- Older adults or people with knee or back concerns
- Taller users who find standard seats too low
Skip if
- You prefer a lower, standard-height seat
- You need a bowl shape specified before ordering
Verdict: The only compact one-piece in our list with a confirmed chair-height seat, making it a standout for accessibility-focused buyers.
10 Best 12-inch rough-in
HOROW HWMT-8733 Small Compact One Piece Toilet For Bathroom
- Pieces
- One-piece
- Flush
- Dual flush
- Rough-in
- 12 in
- Compact
- Yes
The HOROW HWMT-8733 lists a 12-inch rough-in, a dual flush, and a compact one-piece design in one package. For straightforward replacements, this spec combination is the most common among the picks.
Pros
- 12-inch rough-in stated
- Dual flush with reduced and full settings
- Compact one-piece construction
Cons
- GPF values not stated
- Bowl shape not specified
Good fit if
- Anyone replacing an older toilet with a standard 12-inch rough-in
- Buyers who want a simple, compact flush without extra frills
Skip if
- You need a stated GPF for rebate programs
- You prefer a specific bowl shape
Verdict: A reliable 12-inch rough-in compact with dual flush, but you may need to check the exact flush volumes.
11 Best round bowl
HOROW HT1000 Dual Flush One Piece Toilet
- Pieces
- One-piece
- Bowl shape
- Round
- Flush
- Dual flush
- Rough-in
- 12 in
- Compact
- Yes
The HOROW HT1000 is the only pick with a round bowl and a stated 12-inch rough-in, along with a soft-close quick-release seat. The round front saves a few inches of clearance in tight bathrooms.
Pros
- Round bowl for a shorter front-to-back footprint
- Soft-close quick-release seat included
- 12-inch rough-in stated
Cons
- GPF not specified
- Round bowl may feel less spacious for some users
Good fit if
- Very small bathrooms where every inch of depth matters
- Buyers who prefer a round bowl and want a seat included
Skip if
- You want an elongated seating area
- You need a confirmed flush volume
Verdict: A compact round-bowl option with a soft-close seat and a standard rough-in, ideal for tight spaces.
12 Best white dual flush
Jastoeny Compact One-Piece Toilet
- Pieces
- One-piece
- Flush
- Dual flush
- Gallons per flush
- 1.5 to 1.6 GPF
- Rough-in
- 12 in
- Compact
- Yes
The Jastoeny white model offers a dual-flush system and a 12-inch rough-in, with a clean white finish that matches most bathroom fixtures. It has one of the few explicitly stated 1.6 GPF full flushes among the picks.
Pros
- Dual flush with a clear 1.6 GPF full flush
- 12-inch rough-in stated
- White finish blends with standard fixtures
Cons
- Bowl shape not specified
- Seat not included
Good fit if
- Buyers who want a conventional white toilet with a dual flush
- Projects needing a 12-inch rough-in
Skip if
- You want an elongated or round bowl confirmed
- You prefer a seat bundled with the toilet
Verdict: A straightforward white dual-flush compact with the rough-in size spelled out, though bowl shape remains unstated.
13 Best two-tone finish
Jastoeny Compact One-Piece Elongated Toilet
- Pieces
- One-piece
- Bowl shape
- Elongated
- Flush
- Dual flush
- Gallons per flush
- 1.5 to 1.6 GPF
- Compact
- Yes
The Jastoeny elongated model is finished in black and gold, a distinctive look that stands out from the usual white toilets. It also includes a dual flush with a 1.6 GPF full flush.
Pros
- Black and gold finish for a distinct aesthetic
- Elongated bowl for added comfort
- Dual flush with 1.6 GPF full flush
Cons
- Rough-in size not stated
- Seat not mentioned in the listing
Good fit if
- Design-focused bathrooms where the toilet is a statement piece
- Users who want an elongated bowl and a dual flush
Skip if
- You need a known rough-in size
- You prefer a white or neutral finish
Verdict: A stylish choice for a modern bathroom, combining a two-tone finish with solid flush specs.
14 Best for tiny bathrooms
The WinZo WZ5089WB lists a 23-inch length, making it nearly as short as the 22.8-inch model while adding a black push-button dual flush. It is designed for the smallest spaces, including tiny or half baths.
Pros
- 23-inch length for a very compact footprint
- Black push-button dual flush
- White finish with a compact design
Cons
- GPF values not stated
- Rough-in size not specified
- Bowl shape not mentioned
Good fit if
- Extremely narrow bathrooms or closets converted to powder rooms
- Buyers who want a short-profile toilet with a dual flush
Skip if
- You need a confirmed rough-in size
- You prefer a non-white color option
Verdict: The WinZo WZ5089 offers a very short profile and a stylish push-button flush, ideal for the tightest spaces.
15 Best single flush
The HOROW HR-ST076W is a compact single-flush model with a skirted design, offering a simple, straightforward operation. It appeals to those who prefer a no-nonsense flush mechanism over a dual-flush system.
Pros
- Single flush for simple operation
- Compact skirted design
- One-piece construction
Cons
- GPF not stated by seller
- Bowl shape not specified
- Rough-in size not mentioned
Good fit if
- Buyers who want a basic, reliable single-flush toilet
- Anyone who likes a skirted exterior for easy cleaning
Skip if
- You need a dual-flush option
- You require a stated flush volume
Verdict: A clean, skirted single-flush compact that keeps things simple, though you may want to confirm the flush volume.
Specifications side by side
| # | Toilet | Pieces | Bowl shape | Flush | Gallons per flush | Seat height | Rough-in |
|---|---|---|---|---|---|---|---|
| 1 | Kohler 28020-TBH-0 Spacity® One-piece compact elongated toilet | One-piece | Elongated | not stated | 1.2 to 1.4 GPF | not stated | not stated |
| 2 | DeerValley Compact One Piece Toilet Standard Seat Height for Small | One-piece | not stated | Dual flush | 1.5 to 1.6 GPF | Standard height | 12 in |
| 3 | American Standard 2403128.021 Compact Cadet 3 | One-piece | Elongated | not stated | not stated | not stated | not stated |
| 4 | HOROW HR-ST076WD One Piece Toilet | One-piece | Elongated | Dual flush | 1.5 to 1.6 GPF | not stated | 12 in |
| 5 | WinZo Compact One Piece Toilet 22.8" Depth Modern Short Design Dual | One-piece | not stated | Dual flush | not stated | not stated | 12 in |
| 6 | Casta Diva Compact One Piece Toilet for Bathrooms | One-piece | not stated | Dual flush | 1.2 to 1.4 GPF | not stated | not stated |
| 7 | DeerValley Compact One Piece Toilet for Small Bathrooms | One-piece | not stated | Dual flush | 1.2 to 1.4 GPF | not stated | 12 in |
| 8 | DeerValley Compact One-Piece Toilet 1.28 GPF Single Flush Fully Skirted | One-piece | Elongated | Single flush | 1.2 to 1.4 GPF | not stated | not stated |
| 9 | DeerValley Compact One Piece Toilet | One-piece | not stated | Dual flush | 1.5 to 1.6 GPF | Chair height | 12 in |
| 10 | HOROW HWMT-8733 Small Compact One Piece Toilet For Bathroom | One-piece | not stated | Dual flush | not stated | not stated | 12 in |
| 11 | HOROW HT1000 Dual Flush One Piece Toilet | One-piece | Round | Dual flush | not stated | not stated | 12 in |
| 12 | Jastoeny Compact One-Piece Toilet | One-piece | not stated | Dual flush | 1.5 to 1.6 GPF | not stated | 12 in |
| 13 | Jastoeny Compact One-Piece Elongated Toilet | One-piece | Elongated | Dual flush | 1.5 to 1.6 GPF | not stated | not stated |
| 14 | WinZo WZ5089WB Small Toilet One Piece Deisgn | One-piece | not stated | Dual flush | not stated | not stated | not stated |
| 15 | HOROW HR-ST076W One Piece Toilet | One-piece | not stated | Single flush | not stated | not stated | not stated |
How the picks were chosen
We started with a pool of 25 compact one-piece toilets from the catalogue, then shortlisted 15 based on clearly stated specifications: flush type, GPF, rough-in size, bowl shape, seat height, and whether a seat is included. We excluded listings with incomplete or ambiguous specs when enough complete alternatives remained. Prices are live from the store listing and were read at the time of writing. We did not test any unit; all selections are based on the maker's published information and the stated product details.
Picking the right one for you
Flush volume: GPF and efficiency
Gallons per flush (GPF) tells you how much water the toilet uses on a full flush. The federal standard is 1.6 GPF, but many modern toilets use 1.28 GPF or less while still meeting performance expectations. The EPA's WaterSense program certifies models that use no more than 1.28 GPF and pass additional performance tests. In this guide, several picks state 1.28 GPF or a dual-flush option with a reduced flush as low as 0.8 GPF. Lower GPF figures can lower indoor water use, but check that the model's full flush volume also works well for your plumbing.
Dual flush vs. single flush
A dual-flush toilet gives you two buttons or a handle with two positions: a reduced flush for liquid waste and a full flush for solid waste. This can save water compared with a single flush, especially in households with more liquid use. A single flush keeps the controls simpler and often results in a slightly lower purchase price, although the long-term water savings from a dual flush can offset that difference. Choose based on whether you prefer convenience and potential savings (dual) or a straightforward mechanism (single).
Bowl shape: round vs. elongated
Round bowls are typically about 2 inches shorter from front to back than elongated bowls, which can free up valuable floor space in a small bathroom. Elongated bowls offer a larger seating area and are often considered more comfortable, especially for taller users. All else being equal, a round bowl is the better pick for very tight spaces, while an elongated bowl is worth the extra depth if you have at least 28 to 30 inches of clearance from the wall to the front of the toilet.
Rough-in size
The rough-in is the distance from the finished wall behind the toilet to the center of the floor flange. In older American homes it is commonly 12 inches, but 10-inch and 14-inch rough-ins occur. Most toilets are designed for a 12-inch rough-in, and the product specifications usually state this clearly. If you are replacing an existing toilet, measure this distance from the wall to the closet bolts before ordering to ensure a proper fit.
Seat height and included seats
Standard toilet seats sit around 15 to 16 inches from the floor, while chair-height (comfort) seats are about 17 to 19 inches, closer to the height of a dining chair. A chair-height seat can make sitting and standing easier for taller users and people with mobility issues. Some toilets include a seat in the box, while others require a separate purchase. Check the product description for "seat included" or "soft-close seat" to know whether you need to budget for that component.
Skirted trapways
A skirted trapway encloses the exposed plumbing curve under the toilet with a smooth, flat surface. This eliminates the nooks and crannies where dust and grime collect, making the outside easier to wipe down. If you value quick cleaning in a small bathroom, a skirted design can save you time. Not all compact models offer a skirted trapway, so check the product details if that feature matters to you.
Questions
What does GPF stand for and why does it matter?
GPF stands for gallons per flush, the amount of water the toilet uses on a full flush. A 1.28 GPF toilet uses 20 percent less water than the 1.6 GPF federal standard. Lower GPF models can save thousands of gallons per year, per the EPA. Look for a stated GPF of 1.28 or less, or a dual flush with a reduced flush below 1.0, for better water efficiency.
Is a dual-flush toilet better than a single flush?
Dual-flush toilets can save more water because you can select a reduced flush for liquid waste and a full flush for solids. That flexibility is useful in households where liquid waste is common. Single flush toilets are simpler and sometimes less expensive, but they use the same volume on every flush. The best choice depends on your preference for water savings versus simplicity.
How do I measure the rough-in for my toilet?
Measure from the finished wall behind the toilet to the center of the closet flange bolts on the floor. If the bolts are not visible, you can measure from the wall to the center of the waste pipe opening. A 12-inch rough-in is the most common, but 10-inch and 14-inch versions exist. Always measure before ordering to avoid a return.
Are round or elongated bowls better for a compact toilet?
Round bowls are shorter from front to back, which can save a few inches in a narrow bathroom. Elongated bowls provide a larger seating area and are usually more comfortable for taller users. In a compact space, round is the more space-efficient choice, but elongated still fits if you have at least 28 inches of clearance.
Do I need to buy a toilet seat separately?
Some toilets include a seat, often a soft-close model, while others require a separate purchase. Check the product title and description for keywords like "seat included" or "soft-close seat." If the seat is not mentioned, assume you will need to buy one separately before installation.
What does a skirted trapway do?
A skirted trapway covers the exposed curve where the toilet connects to the floor drain with a smooth, continuous surface. This reduces the area where dust and grime can collect, making the toilet easier to wipe down. It is a useful feature in any bathroom, especially compact ones where cleaning access may be limited.
Revision notes
- : First published.