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Best Elongated Chair Height Toilets in 2026: 12 Picks Compared

Elongated chair height toilets combine a longer bowl with a taller seat, making them easier for taller adults and anyone with mobility issues. We examined the seller-listed specifications for dozens of models and selected 12 that cover one-piece, two-piece, dual flush, smart, and wall-mounted designs. Our top pick is the TOTO Drake II, which uses under 1.2 gallons per flush and has a two-piece construction with CEFIONTECT.

12 picks from 20 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 seniors who need a taller seat: The HOROW has a 17-inch seat height and a dual flush, making it a comfortable and practical choice for older adults. See pick 4
  • For a modern, easy-to-clean bathroom: The Kohler Cimarron is a one-piece toilet with a 1.28 GPF flush and a smooth exterior that is simple to wipe down. See pick 2
  • For a basement or space without a drain: The WinZo Upflush includes a macerating pump, so it can be installed where traditional plumbing would be difficult. See pick 9

Our 12 picks

1 Best overall

TOTO Drake II 1G Two-Piece Elongated 1.0 GPF Universal Height Toilet

TOTO Drake II 1G Two-Piece Elongated 1.0 GPF Universal Height Toilet

Pieces
Two-piece
Bowl shape
Elongated
Gallons per flush
Under 1.2 GPF
Seat height
Chair height

View on Amazon

The Drake II combines a low flush volume with a two-piece design and CEFIONTECT glazing. It uses less water than most other picks in this list while keeping a comfortable elongated chair height bowl.

Pros

  • Under 1.2 GPF flush volume
  • Two-piece design for easier installation
  • CEFIONTECT surface resists debris
  • Chair height elongated bowl

Cons

  • Single flush, no dual flush option
  • Rough-in not stated by the seller

Good fit if

  • Anyone who wants maximum water savings
  • Households that prefer a traditional two-piece toilet

Skip if

  • Those who want a dual flush toilet
  • Homes with a 10-inch rough-in (not confirmed)

Verdict: The most water-efficient elongated chair height toilet here, with a proven two-piece design.

2 Best one-piece

KOHLER K-3619-RA-0 Cimarron Comfort Height One-Piece Elongated 1.28 GPF

KOHLER K-3619-RA-0 Cimarron Comfort Height One-Piece Elongated 1.28 GPF

Pieces
One-piece
Bowl shape
Elongated
Gallons per flush
1.2 to 1.4 GPF
Seat height
Chair height

View on Amazon

The Cimarron is a one-piece toilet with a 1.28 GPF flush and an elongated chair height bowl. Its seamless construction reduces crevices where dirt can hide, and it uses AquaPiston flush technology.

Pros

  • One-piece design with fewer crevices
  • 1.28 GPF flush
  • Elongated chair height bowl
  • AquaPiston flush technology

Cons

  • No dual flush
  • Rough-in not stated by the seller

Good fit if

  • Those who prefer a modern, easy-to-clean one-piece
  • Bathrooms with a standard 12-inch rough-in (not confirmed)

Skip if

  • Those who want a dual flush option
  • Homes with a 10-inch rough-in

Verdict: A sleek one-piece that simplifies cleaning without sacrificing efficiency.

3 Best dual flush

St. Tropez Comfort Height One-Piece Elongated Toilet

St. Tropez Comfort Height One-Piece Elongated Toilet

Pieces
One-piece
Bowl shape
Elongated
Flush
Dual flush
Gallons per flush
1.5 to 1.6 GPF
Seat height
Chair height

View on Amazon

The St. Tropez offers a one-piece design with a dual flush (1.1 and 1.6 GPF) to save water on liquid waste. It has an elongated chair height bowl and a Vortex flush system.

Pros

  • Dual flush for liquid and solid waste
  • One-piece construction
  • Elongated chair height bowl
  • Vortex flush system

Cons

  • 1.6 GPF full flush, higher than some picks
  • Rough-in not stated by the seller

Good fit if

  • Eco-conscious households
  • Bathrooms where a one-piece is preferred

Skip if

  • Those who want a single flush
  • Homes with a 10-inch rough-in (not confirmed)

Verdict: A practical dual flush one-piece that balances water savings with performance.

4 Best for seniors

HOROW 17 Inch Comfort Height Toilet

HOROW 17 Inch Comfort Height Toilet

Pieces
Two-piece
Bowl shape
Elongated
Flush
Dual flush
Gallons per flush
1.5 to 1.6 GPF
Seat height
Chair height
Rough-in
12 in

View on Amazon

This HOROW is marketed for seniors and tall adults with a 17-inch seat height and ADA compliance. It includes a dual flush and a 12-inch rough-in, making it a straightforward replacement in many homes.

Pros

  • 17-inch seat height, comfortable for seniors
  • Dual flush
  • 12-inch rough-in
  • Two-piece design

Cons

  • 1.5 to 1.6 GPF full flush
  • Two-piece may be harder to clean than a one-piece

Good fit if

  • Older adults who need a taller seat
  • Households that want a dual flush

Skip if

  • Those who prefer a one-piece toilet
  • Bathrooms with a 10-inch rough-in

Verdict: A dedicated comfort height toilet with dual flush and ADA-friendly dimensions.

5 Best for 10-inch rough-in

Kohler KOH3889-0 Highline 1.28 GPF Two-Piece Elongated Comfort Height

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

View on Amazon

The Highline is designed for a 10-inch rough-in, which is rare among elongated chair height toilets. It has a 1.28 GPF flush and a two-piece bowl.

Pros

  • 10-inch rough-in for tight spaces
  • 1.28 GPF flush
  • Two-piece design
  • Chair height elongated bowl

Cons

  • No dual flush
  • Not for standard 12-inch rough-in

Good fit if

  • Bathrooms with a 10-inch drain location
  • Homes with limited floor space

Skip if

  • Those with a 12-inch rough-in
  • Those wanting a dual flush

Verdict: The only pick here that works with a 10-inch rough-in, making it essential for certain layouts.

6 Best smart

TOTO® Drake® WASHLET®+ Two-Piece Elongated 1.6 GPF Universal Height

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
Bidet built in or included
Yes

View on Amazon

This TOTO combines a Drake toilet with a WASHLET+ bidet seat, adding warm water cleansing and a soft-close lid. It retains the chair height and elongated bowl while offering modern convenience.

Pros

  • Integrated bidet seat
  • Soft-close lid
  • 1.6 GPF flush
  • Chair height elongated bowl

Cons

  • Higher GPF than some picks
  • Rough-in not stated by the seller
  • Requires electrical outlet

Good fit if

  • Tech-savvy users who want a bidet
  • Bathrooms with an outlet near the toilet

Skip if

  • Those who prefer a standard toilet
  • Homes without electrical access

Verdict: A smart choice that adds hygiene features to a reliable TOTO toilet.

7 Best tankless

LOS FLEXI Non Electric One Piece Toilet

LOS FLEXI Non Electric One Piece Toilet

Pieces
One-piece
Bowl shape
Elongated
Gallons per flush
Under 1.2 GPF
Seat height
Chair height
Rough-in
12 in

View on Amazon

The Los Flexi is a tankless one-piece toilet that uses under 1.2 GPF and has a 17.3-inch chair height seat. Its 12-inch rough-in makes it a direct replacement for many standard setups.

Pros

  • Tankless design saves space
  • Under 1.2 GPF flush
  • 17.3-inch seat height
  • 12-inch rough-in

Cons

  • No dual flush
  • May require higher water pressure (not stated)

Good fit if

  • Compact bathrooms
  • Users who prefer a tankless design

Skip if

  • Those who want dual flush
  • Bathrooms with low water pressure (not confirmed)

Verdict: A space-saving tankless option with a comfortable height and efficient flush.

8 Best wall-mounted

This TOTO is a wall-hung elongated bowl with chair height, freeing up floor space. It uses a skirted design and CEFiONtect, though it requires a wall carrier (not included).

Pros

  • Wall-hung design for easy floor cleaning
  • Elongated chair height bowl
  • CEFiONtect glazing
  • Skirted design

Cons

  • Requires in-wall tank (not included)
  • Flush volume not stated
  • Professional installation likely needed

Good fit if

  • Modern bathrooms with concealed tanks
  • Those who want to clean under the toilet easily

Skip if

  • Those without a wall carrier
  • Those on a budget for installation

Verdict: A sleek wall-mounted option that maximizes floor space.

9 Best for basements

WinZo Upflush 900W Macerating Toilet System for Basement

WinZo Upflush 900W Macerating Toilet System for Basement

Pieces
One-piece
Bowl shape
Elongated
Flush
Dual flush
Seat height
Chair height
Macerating (upflush)
Yes

View on Amazon

The WinZo Upflush combines a macerating system with a one-piece elongated chair height toilet, allowing installation in basements without a traditional drain. It has a dual flush and a rear outlet.

Pros

  • Macerating pump for basements
  • Dual flush
  • One-piece design
  • 17-inch comfort seat

Cons

  • Requires power for the pump
  • Rough-in not stated
  • Heavier setup

Good fit if

  • Finished basements without traditional plumbing
  • Remodeling projects where a pump is needed

Skip if

  • Homes with standard drain access
  • Those wanting a simple gravity flush

Verdict: A practical solution for adding a toilet where drainage would otherwise be impossible.

10 Best luxury

KOHLER K-77795-0BL Eir Comfort Height One-Piece Elongated

KOHLER K-77795-0BL Eir Comfort Height One-Piece Elongated

Pieces
One-piece
Bowl shape
Elongated
Flush
Dual flush
Seat height
Chair height
Bidet built in or included
Yes

View on Amazon

The Kohler Eir is a one-piece smart toilet with an integrated bidet, dual flush, and a contemporary matte black finish. It offers the most features among the picks.

Pros

  • Integrated bidet
  • Dual flush
  • One-piece design
  • Matte black finish

Cons

  • Flush volume not stated
  • Requires electrical outlet
  • Premium price point

Good fit if

  • Luxury bathrooms
  • Users who want a full smart toilet

Skip if

  • Those who prefer a standard toilet
  • Bathrooms without electrical access

Verdict: A high-end smart toilet that brings bidet and style together.

11 Best for high-traffic bathrooms

American Standard 211AA104.020 Champion PRO Two-Piece Toilet

American Standard 211AA104.020 Champion PRO Two-Piece Toilet

Pieces
Two-piece
Bowl shape
Elongated
Gallons per flush
1.2 to 1.4 GPF
Seat height
Chair height

$376.35 (as of 10/14/2026 22:28 PDT - Details)

View on Amazon

The Champion PRO features a 1.28 GPF flush and a two-piece elongated chair height design, built to handle frequent use. It is a straightforward, reliable option for busy households.

Pros

  • 1.28 GPF flush
  • Two-piece design
  • Chair height elongated bowl
  • No special electrical or plumbing needs

Cons

  • No dual flush
  • Rough-in not stated

Good fit if

  • Family bathrooms
  • Guest bathrooms that see heavy use

Skip if

  • Those who want a one-piece toilet
  • Those seeking water-saving dual flush

Verdict: A dependable workhorse for bathrooms that get a lot of use.

12 Best dual flush one-piece

DeerValley Symmetry One Piece Toilet

DeerValley Symmetry One Piece Toilet

Pieces
One-piece
Bowl shape
Elongated
Flush
Dual flush
Gallons per flush
1.5 to 1.6 GPF
Seat height
Chair height

$199.00 (as of 10/14/2026 22:54 PDT - Details)

View on Amazon

The DeerValley Symmetry offers a one-piece design with dual flush and an elongated chair height bowl. It provides a compact footprint and a clean, skirted look, making it a strong option for smaller bathrooms.

Pros

  • One-piece design for easier cleaning
  • Dual flush
  • Elongated chair height bowl
  • Compact footprint

Cons

  • 1.5 to 1.6 GPF full flush
  • Rough-in not stated

Good fit if

  • Bathrooms with limited floor space
  • Users who want a clean, one-piece look with dual flush

Skip if

  • Those who need a 10-inch rough-in
  • Those who prefer a separate tank

Verdict: A streamlined one-piece dual flush toilet that fits well in compact spaces.

Specifications side by side

#ToiletPiecesBowl shapeFlushGallons per flushSeat heightRough-in
1TOTO Drake II 1G Two-Piece Elongated 1.0 GPF Universal Height ToiletTwo-pieceElongatednot statedUnder 1.2 GPFChair heightnot stated
2KOHLER K-3619-RA-0 Cimarron Comfort Height One-Piece Elongated 1.28 GPFOne-pieceElongatednot stated1.2 to 1.4 GPFChair heightnot stated
3St. Tropez Comfort Height One-Piece Elongated ToiletOne-pieceElongatedDual flush1.5 to 1.6 GPFChair heightnot stated
4HOROW 17 Inch Comfort Height ToiletTwo-pieceElongatedDual flush1.5 to 1.6 GPFChair height12 in
5Kohler KOH3889-0 Highline 1.28 GPF Two-Piece Elongated Comfort HeightTwo-pieceElongatednot stated1.2 to 1.4 GPFChair height10 in
6TOTO® Drake® WASHLET®+ Two-Piece Elongated 1.6 GPF Universal HeightTwo-pieceElongatednot stated1.5 to 1.6 GPFChair heightnot stated
7LOS FLEXI Non Electric One Piece ToiletOne-pieceElongatednot statedUnder 1.2 GPFChair height12 in
8Toto TCT426CFG01 AP Wall Mounted Elongated Chair Height Toilet Bowl Onlynot statedElongatednot statednot statedChair heightnot stated
9WinZo Upflush 900W Macerating Toilet System for BasementOne-pieceElongatedDual flushnot statedChair heightnot stated
10KOHLER K-77795-0BL Eir Comfort Height One-Piece ElongatedOne-pieceElongatedDual flushnot statedChair heightnot stated
11American Standard 211AA104.020 Champion PRO Two-Piece ToiletTwo-pieceElongatednot stated1.2 to 1.4 GPFChair heightnot stated
12DeerValley Symmetry One Piece ToiletOne-pieceElongatedDual flush1.5 to 1.6 GPFChair heightnot stated

How the picks were chosen

We started with 60 elongated chair height toilets from the catalogue and narrowed the list by checking each listing's stated specifications. We only kept models that were clearly elongated and chair height, removed duplicate configurations, and then grouped the rest by design: one-piece, two-piece, dual flush, smart, tankless, and wall-mounted. For each group, we chose units from established manufacturers, preferring new items over refurbished ones. Prices on the page are read live from the store listing. None of these toilets have been tested by us; the picks are based solely on the specifications published by the seller and the manufacturer.

Picking the right one for you

Elongated bowl and chair height explained

An elongated bowl is longer from front to back than a round bowl, offering more support and a modern look. Chair height, sometimes called comfort height or right height, means the seat is between 17 and 19 inches from the floor, roughly the height of a standard chair. This makes it easier to sit down and stand up, especially for taller people or those with mobility issues. All picks in this list meet both criteria.

Flush volume and WaterSense

Toilets sold in the US today are held to a federal standard of 1.6 gallons per flush (GPF). Many models use 1.28 GPF or less, which meets the EPA WaterSense criteria. A lower flush volume can save thousands of gallons of water per year. Dual flush toilets add a reduced flush mode (often around 1.1 GPF or less) for liquid waste, further increasing savings. Check the seller or manufacturer specifications to confirm the exact flush volume, since it is not always listed in the product title.

One-piece versus two-piece

Two-piece toilets have a separate tank and bowl, which makes them lighter and easier to handle during installation. One-piece toilets fuse the tank and bowl into a single unit, eliminating a seam that can collect dust and grime. One-piece models are generally easier to clean but heavier and often more expensive. Both styles are available in chair height and elongated bowls.

Rough-in distance and space

The rough-in distance is the measurement from the wall behind the toilet to the center of the floor drain. It is almost always 10, 12, or 14 inches. Most American homes use 12 inches. Before buying, measure from the wall to the bolt caps on the floor. This list includes one model with a 10-inch rough-in (the Kohler Highline) and several with 12-inch rough-in stated. If the rough-in is not listed by the seller, you may need to check the manufacturer's specifications or contact their support.

Special features: smart toilets, bidets, and macerators

Smart toilets add features like a bidet, warm seat, air dryer, and automatic flush. They require an electrical outlet near the toilet and are more expensive. Bidet seats can be added to a standard toilet, but integrated models are the easiest to operate. Macerating toilets include a pump that grinds waste and pumps it through a small pipe, which is useful for basements or rooms far from the main drain. These systems need power but can make installation possible where a gravity drain is not available.

Seat height and ADA compliance

The Americans with Disabilities Act (ADA) has accessibility guidelines for toilet seats, but they apply to public buildings and some residential settings. A seat height of 17 to 19 inches is the standard for ADA-compliant toilets. Several models in this list explicitly state an ADA seat height in their title or specifications, such as the HOROW and Los Flexi. If you need a specific seat height for personal comfort, check the manufacturer's technical data, since the seller's product page may not always include this number.

Questions

What is the difference between a round and elongated toilet bowl?

An elongated bowl is about 2 inches longer than a round bowl, measuring roughly 18.5 inches from the bolt holes to the front. It provides more surface area and is often preferred by adults. Round bowls are more compact and better for small bathrooms. All picks in this guide have elongated bowls, which are paired with chair height seats for added comfort.

What does chair height mean on a toilet?

Chair height, also called comfort height or right height, means the toilet seat sits at a height between 17 and 19 inches from the floor. This is similar to the height of a standard chair, making it easier to sit and stand. It is particularly useful for taller adults, seniors, and people with knee or back issues. In contrast, standard height toilets are typically 15 to 16 inches.

How do I measure the rough-in for my toilet?

Rough-in is the distance from the finished wall behind the toilet to the center of the floor flange, which is where the toilet bolts into the floor. Measure from the wall to the middle of the two bolt caps in front of the flange. Common sizes are 10, 12, and 14 inches. Knowing your rough-in is essential to ensure the new toilet fits. Most modern homes have 12-inch rough-ins.

Are all chair height toilets ADA compliant?

No. The ADA has guidelines that require a toilet seat height of 17 to 19 inches, but the entire toilet, including the clearance and installation, must meet the standards. In a residential setting, you only need to consider the seat height. Many manufacturers label their toilets as ADA compliant when the seat height falls in that range, but it is always best to check the exact measurement.

Do dual flush toilets save more water than single flush?

Yes. A dual flush toilet has two buttons or handles: a full flush (usually 1.6 GPF) and a reduced flush (often 1.1 GPF or less). On average, users use the reduced flush for liquid waste, cutting water consumption. According to the EPA, toilets with a 1.28 GPF or less and dual flush models are eligible for the WaterSense label and can save about 20 percent more water than the federal standard.

Can I install a chair height toilet in an existing bathroom?

In most cases, yes. Toilets are designed to fit standard rough-in sizes, and you can replace an existing unit if yours is the same size. You will need to check the rough-in distance, the height of the bowl, and the width of the space. If you are replacing an older toilet, the drain flange is often a standard 12-inch rough-in, but utility lines and floor coverings can affect the fit.

Revision notes

  • : First published.

Sources

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