Best Kohler Toilets in 2026: 14 Picks Compared on Specs
The Cimarron one-piece elongated toilet is our top pick. It pairs a flush volume of 1.28 gallons per flush with a chair-height bowl, an elongated shape, and a one-piece body. To build the rest of this guide, we compared the stated specifications in the supplied Kohler catalogue: flush volume, bowl shape, height, construction, and added features. Prices shown are live listing prices; no unit in this guide was tested by hand.
14 picks from 0 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 standard replacement: If you want a conventional two-piece toilet with an elongated bowl and a stated 12-inch rough-in, the Wellworth 12-inch model is the straightforward choice. See pick 3
- For a compact bathroom: The Spacity compact one-piece with a skirted trapway keeps a smaller footprint while still using an elongated bowl and 1.28 gallons per flush. See pick 9
- For easier standing: Chair-height models such as the Cimarron raise the bowl height without adding smart features. It is our top overall pick and is listed with Comfort Height. See pick 1
- For an integrated bidet: The Leap one-piece smart toilet adds a built-in bidet and dual flush in an elongated one-piece body. See pick 12
Our 14 picks
1 Best overall
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
The Cimarron combines a one-piece body, a chair-height bowl, an elongated shape, a flush volume of 1.28 gallons per flush, and a listing that names AquaPiston flush technology. It does not add dual flush or smart features, so the core flush specifications stay easy to compare.
Pros
- One-piece elongated design
- Chair-height bowl
- 1.28 gallons per flush flush volume
- AquaPiston flush technology named in the listing
Cons
- Rough-in not stated by the seller
- No dual flush
- No bidet or smart features
Good fit if
- Buyers who want a one-piece, elongated, chair-height toilet
- Bathrooms where a one-piece body is preferred
Skip if
- You need a stated rough-in
- You want a dual-flush or smart toilet
Verdict: The Cimarron is the top overall pick in this guide because it pairs the most common bathroom requirements with a one-piece 1.28-gallon-per-flush design.
2 Best for 10-inch rough-in
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
This Highline is the only pick in the guide with a 10-inch rough-in listed, so it suits a specific replacement need. It also lists chair height, an elongated bowl, and a flush volume of 1.28 gallons per flush.
Pros
- 10-inch rough-in listed
- Elongated chair-height bowl
- 1.28 gallons per flush
- Two-piece construction
Cons
- Not for 12-inch rough-in installations
- No dual flush
- No flush technology named in the listing
Good fit if
- Replacing a toilet with a 10-inch rough-in
- Users who want a chair-height bowl
Skip if
- Your drain rough-in is 12 inches
- You want a dual-flush or one-piece toilet
Verdict: Choose this Highline when you need a stated 10-inch rough-in and a 1.28-gallon-per-flush comfort-height bowl.
3 Best traditional two-piece
Kohler KOH3998-T-0 1.28 GPF Two-Piece Elongated Toilet
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.2 to 1.4 GPF
- Rough-in
- 12 in
This Wellworth model is a two-piece toilet with an elongated bowl, a flush volume of 1.28 gallons per flush, and a 12-inch rough-in listed. Tank locks are also named in the listing. Chair height is not stated, so shoppers needing a taller bowl should compare the Highline picks.
Pros
- 12-inch rough-in listed
- Elongated two-piece bowl
- 1.28 gallons per flush
- Tank locks named in the listing
Cons
- Chair height not stated by the seller
- No dual flush
- No flush technology named in the listing
Good fit if
- Buyers who want a two-piece profile
- Replacements where the drain rough-in is 12 inches
Skip if
- You need a chair-height toilet
- You want dual-flush operation
Verdict: The Wellworth 12-inch model is the two-piece 1.28-gallon-per-flush option for a 12-inch rough-in.
4 Best dual-flush two-piece
KOHLER K-3988-0 Wellworth Two-Piece Elongated Dual-Flush Toilet
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Flush
- Dual flush
This Wellworth is the only two-piece dual-flush pick in the guide. The listing names the Class Five flush system and a left-hand trip lever. GPF is not stated, so water-use comparisons against the 1.28-gallon-per-flush picks are not possible from the listing alone.
Pros
- Dual-flush operation
- Elongated bowl
- Two-piece construction
- Class Five flush system and left-hand trip lever named
Cons
- GPF not stated by the seller
- Chair height not stated by the seller
- Rough-in not stated by the seller
Good fit if
- Buyers who want a choice between two flush volumes
- Anyone who prefers a two-piece toilet
Skip if
- You need a stated GPF
- You want a chair-height bowl
Verdict: The Wellworth dual-flush is the only two-piece pick with two flush modes in this guide.
5 Best round-front chair height
Kohler K-5481-RA-0 Highline Comfort Height Two-Piece Round-Front 1.28
- Pieces
- Two-piece
- Bowl shape
- Round
- Gallons per flush
- 1.2 to 1.4 GPF
- Seat height
- Chair height
This Highline is the only round-front model in the guide. It keeps a 1.28-gallon-per-flush flush volume and a chair-height bowl while using a more compact bowl footprint. The listing also names Class Five flush technology.
Pros
- Round-front bowl
- Chair-height bowl
- 1.28 gallons per flush
- Class Five flush technology named in the listing
Cons
- Round-front bowls offer less sitting room than elongated bowls
- Rough-in not stated by the seller
- No dual flush
Good fit if
- Compact bathrooms where a smaller bowl footprint helps
- Users who want chair height and 1.28 gallons per flush
Skip if
- You prefer an elongated bowl
- You want a dual-flush toilet
Verdict: Choose the Highline round-front when a smaller bowl footprint and chair height are the main requirements.
6 Best full-flush two-piece
Kohler KOH3493-RA-0 Highline 1.6 GPF Two-Piece Elongated Comfort Height
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.5 to 1.6 GPF
- Seat height
- Chair height
This Highline uses a flush volume of 1.5 to 1.6 gallons per flush, which is higher than the 1.28-gallon-per-flush picks in this guide. It still has an elongated chair-height bowl and a right-hand trip lever.
Pros
- 1.5 to 1.6 gallons per flush
- Elongated chair-height bowl
- Two-piece construction
- Right-hand trip lever named in the listing
Cons
- Uses more water than the 1.28-gallon-per-flush picks
- No dual flush
- Rough-in not stated by the seller
Good fit if
- Buyers who want a 1.6-gallon-per-flush toilet
- Users who prefer a right-hand trip lever
Skip if
- Water efficiency is the main concern
- You need a dual-flush toilet
Verdict: This Highline is the full-flush option in this guide with a 1.5-to-1.6-gallon-per-flush flush volume.
7 Best biscuit finish
Kohler K-3978-96 Wellworth Elongated 1.6 gpf Toilet
- Bowl shape
- Elongated
- Gallons per flush
- 1.5 to 1.6 GPF
This Wellworth is the only pick in the guide listed in a Biscuit finish. It has an elongated bowl and a flush volume of 1.5 to 1.6 gallons per flush. Construction, chair height, and rough-in are not stated, so it fits buyers who are already matching the Biscuit finish and can confirm the rest.
Pros
- Biscuit finish listed
- Elongated bowl
- 1.5 to 1.6 gallons per flush
Cons
- Piece type not stated by the seller
- Chair height not stated by the seller
- Rough-in not stated by the seller
Good fit if
- Matching a bathroom finished in Biscuit
- Buyers who want an elongated 1.6-gallon-per-flush bowl
Skip if
- You need a stated one-piece or two-piece construction
- You need a stated chair height or rough-in
Verdict: Consider this Wellworth when a Biscuit finish and a 1.5-to-1.6-gallon-per-flush elongated bowl are the deciding details.
8 Best pressure-assisted pick
This Barrington listing names a Pressure Lite system and a chair-height bowl. It is the only pressure-assisted pick in the guide. GPF, bowl shape, and construction are not stated, so it is a specialized option.
Pros
- Pressure-assisted system named in the listing
- Chair-height bowl
- Right-hand trip lever named
- Black Black finish listed
Cons
- GPF not stated by the seller
- Bowl shape not stated by the seller
- Piece type not stated by the seller
Good fit if
- Buyers who specifically want pressure-assisted flush technology
- Anyone matching a Black Black bathroom finish
Skip if
- You need a stated GPF or bowl shape
- You prefer a defined one-piece or two-piece construction
Verdict: Choose the Barrington pressure-assisted model when the flush system type matters more than a complete spec list.
9 Best compact one-piece
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 Spacity is the only compact pick in the guide. It pairs a one-piece body with an elongated bowl, a flush volume of 1.28 gallons per flush, and a skirted trapway named in the listing. The compact label suits smaller bathrooms.
Pros
- Compact one-piece design
- Elongated bowl
- 1.28 gallons per flush
- Skirted trapway named in the listing
Cons
- Chair height not stated by the seller
- Rough-in not stated by the seller
- No dual flush
Good fit if
- Small bathrooms where floor space is tight
- Buyers who want a one-piece toilet with a skirted trapway
Skip if
- You need a chair-height bowl
- You want dual-flush operation
Verdict: The Spacity is the compact one-piece option with 1.28 gallons per flush and a skirted trapway.
10 Best concealed trapway
KOHLER Memoirs Stately Continuousclean St Two-Piece Elongated Toilet
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.2 to 1.4 GPF
This Memoirs Stately listing names a concealed trapway and ContinuousClean, giving it a smooth exterior among the 1.28-gallon-per-flush two-piece picks. Chair height and rough-in are not stated, so those details need separate confirmation.
Pros
- Concealed trapway named in the listing
- 1.28 gallons per flush
- Elongated bowl
- Two-piece construction
Cons
- Chair height not stated by the seller
- Rough-in not stated by the seller
- No dual flush
Good fit if
- Buyers who want a concealed trapway exterior
- Anyone looking for a two-piece low-flush toilet
Skip if
- You need a chair-height label
- You want dual-flush operation
Verdict: Choose this Memoirs Stately when a concealed trapway and a 1.28-gallon-per-flush two-piece bowl are the priorities.
11 Best chair-height two-piece
Memoirs Stately Comfort Height Two-piece elongated 1.28 gpf chair height
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.2 to 1.4 GPF
- Seat height
- Chair height
This Memoirs Stately combines chair height, a flush volume of 1.28 gallons per flush, an elongated bowl, and two-piece construction. It is a low-flush two-piece option without smart features. Rough-in and flush technology are not stated.
Pros
- Chair-height bowl
- 1.28 gallons per flush
- Elongated bowl
- Two-piece construction
Cons
- Rough-in not stated by the seller
- Flush technology not named in the listing
- No dual flush
Good fit if
- Buyers who want a low-flush chair-height two-piece toilet
- Anyone who prefers a two-piece profile
Skip if
- You want a concealed trapway
- You need dual-flush operation
Verdict: The Memoirs Stately chair-height model is the 1.28-gallon-per-flush two-piece pick for users who need a taller bowl.
12 Best smart bidet one-piece
Kohler Leap One-Piece Elongated Smart Toilet with Bidet Built
- Pieces
- One-piece
- Bowl shape
- Elongated
- Flush
- Dual flush
- Bidet built in or included
- Yes
The Leap is the only smart pick in this guide with an elongated one-piece body listed. It adds a built-in bidet, dual-flush operation, and quiet-close. GPF and chair height are not stated, so buyers should confirm those details before purchase.
Pros
- Bidet built in
- Dual-flush operation
- One-piece elongated body
- Quiet-close named in the listing
Cons
- GPF not stated by the seller
- Chair height not stated by the seller
- Rough-in not stated by the seller
Good fit if
- Buyers who want an integrated bidet without a separate bidet seat
- Anyone who prefers a one-piece elongated smart toilet
Skip if
- You need a stated GPF
- You need a chair-height bowl
Verdict: Choose the Leap when a one-piece elongated smart toilet with a built-in bidet and dual flush is the feature set you want.
13 Best smart bidet with chair height
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
The Eir adds chair height to the smart-bidet feature set. It is a one-piece elongated dual-flush toilet listed in Matte Black. GPF is not stated, so direct water-use comparison with 1.28-gallon-per-flush picks is not possible from the listing.
Pros
- Chair-height bowl
- Bidet built in
- One-piece elongated body
- Dual-flush operation and Matte Black finish listed
Cons
- GPF not stated by the seller
- Rough-in not stated by the seller
- Matte Black finish may not match every bathroom
Good fit if
- Buyers who want a smart bidet at a more accessible bowl height
- Anyone styling a bathroom in Matte Black
Skip if
- You need a stated GPF
- You prefer a white smart toilet
Verdict: The Eir is the chair-height smart-bidet pick in this guide for a Matte Black one-piece installation.
14 Best smart bidet seat
KOHLER K-30754-PA-HB1 NUMI® 2.0 Comfort Height® Smart Toilet
- Flush
- Dual flush
- Seat height
- Chair height
- Bidet built in or included
- Yes
The Numi 2.0 listing pairs a chair-height bowl with a built-in bidet seat and dual flush, and the name also mentions quiet-close. Bowl shape and piece construction are not stated, so this pick is for buyers who do not need those specifics confirmed in the listing.
Pros
- Chair-height bowl
- Bidet toilet seat named in the listing
- Dual-flush operation
- Quiet-close mentioned in the listing name
Cons
- GPF not stated by the seller
- Bowl shape not stated by the seller
- Piece type not stated by the seller
Good fit if
- Buyers who want a complete smart toilet with a bidet seat
- Anyone who wants quiet-close and dual-flush convenience
Skip if
- You need a stated bowl shape or piece construction
- You want to compare flush volume directly against 1.28-gallon-per-flush picks
Verdict: The Numi 2.0 is the feature-rich smart pick in this guide with a chair-height bowl, built-in bidet seat, dual flush, and quiet-close.
Specifications side by side
| # | Toilet | Pieces | Bowl shape | Flush | Gallons per flush | Seat height | Rough-in |
|---|---|---|---|---|---|---|---|
| 1 | KOHLER K-3619-RA-0 Cimarron Comfort Height One-Piece Elongated 1.28 GPF | One-piece | Elongated | not stated | 1.2 to 1.4 GPF | Chair height | not stated |
| 2 | 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 |
| 3 | Kohler KOH3998-T-0 1.28 GPF Two-Piece Elongated Toilet | Two-piece | Elongated | not stated | 1.2 to 1.4 GPF | not stated | 12 in |
| 4 | KOHLER K-3988-0 Wellworth Two-Piece Elongated Dual-Flush Toilet | Two-piece | Elongated | Dual flush | not stated | not stated | not stated |
| 5 | Kohler K-5481-RA-0 Highline Comfort Height Two-Piece Round-Front 1.28 | Two-piece | Round | not stated | 1.2 to 1.4 GPF | Chair height | not stated |
| 6 | Kohler KOH3493-RA-0 Highline 1.6 GPF Two-Piece Elongated Comfort Height | Two-piece | Elongated | not stated | 1.5 to 1.6 GPF | Chair height | not stated |
| 7 | Kohler K-3978-96 Wellworth Elongated 1.6 gpf Toilet | not stated | Elongated | not stated | 1.5 to 1.6 GPF | not stated | not stated |
| 8 | Kohler K-3578-RA-7 Barrington Pressure Lite | not stated | not stated | not stated | not stated | Chair height | not stated |
| 9 | 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 |
| 10 | KOHLER Memoirs Stately Continuousclean St Two-Piece Elongated Toilet | Two-piece | Elongated | not stated | 1.2 to 1.4 GPF | not stated | not stated |
| 11 | Memoirs Stately Comfort Height Two-piece elongated 1.28 gpf chair height | Two-piece | Elongated | not stated | 1.2 to 1.4 GPF | Chair height | not stated |
| 12 | Kohler Leap One-Piece Elongated Smart Toilet with Bidet Built | One-piece | Elongated | Dual flush | not stated | not stated | not stated |
| 13 | KOHLER K-77795-0BL Eir Comfort Height One-Piece Elongated | One-piece | Elongated | Dual flush | not stated | Chair height | not stated |
| 14 | KOHLER K-30754-PA-HB1 NUMI® 2.0 Comfort Height® Smart Toilet | not stated | not stated | Dual flush | not stated | Chair height | not stated |
How the picks were chosen
This guide covers 14 picks selected from the 16 Kohler models in the pool. The pool was built from 20 priced listings before near-duplicate variants were folded. Each pick was shortlisted using the seller's stated specifications: flush type and GPF when given, bowl shape, chair height, construction, and listed flush or smart features. No toilet was installed, measured, or tested for this article. Prices are live listing prices with their read time on the page; they will change. If a spec is missing from a listing, it is noted as not stated by the seller.
Picking the right one for you
Flush volume and WaterSense
Toilets listed at 1.28 gallons per flush use 20 percent less water than the current federal standard of 1.6 gallons per flush, according to the EPA. WaterSense-labeled toilets are independently certified to meet EPA criteria for both efficiency and performance. Seven of the 14 picks list a flush volume of 1.28 gallons per flush or a 1.2-to-1.4-gallon range, while two list 1.5 to 1.6. If a listing does not state GPF, the seller has not provided that number.
Bowl shape: elongated vs round-front
Eleven of the 14 picks are elongated, which gives more sitting room. The only round-front model here is the Highline round-front, which has a smaller bowl footprint and can fit tighter floor plans. Choose the shape that matches the space and your comfort preference, and confirm the bowl shape in the listing before ordering.
Chair height and accessibility
The term chair height or Comfort Height in a Kohler listing means a taller bowl that is easier to sit down on and stand up from. Several picks in this guide, including the Cimarron, the Highline models, the Memoirs Stately chair-height model, the Barrington, the Eir, and the Numi 2.0, are listed with chair height or Comfort Height. The ADA accessibility standards provide guidance when planning a more accessible bathroom, though the exact bowl height is not stated in these listings.
One-piece vs two-piece construction
Two-piece toilets have a separate tank and bowl, the traditional arrangement. One-piece toilets combine the tank and bowl in a single unit, removing the seam and making the outside easier to wipe down. In this guide, the Cimarron, Spacity, Leap, and Eir are one-piece picks; the Highline and Wellworth models are two-piece. Some smart listings do not state their piece construction.
Rough-in: measure before you buy
Rough-in is the distance from the finished wall to the center of the toilet drain. Many standard installations are 12 inches, but this guide includes one pick with a 10-inch rough-in and one with a 12-inch rough-in. If a listing does not give a rough-in, the seller has not stated it, so measure the space and confirm fit before purchasing.
Smart toilets and bidet features
Several picks in this guide are smart toilets with a built-in bidet, dual-flush operation, and quiet-close features. Smart models remove the need for a separate bidet seat and are available in both standard and chair-height versions. Because GPF and rough-in are not stated for every smart pick, confirm those specifications with the seller before buying if they matter to you.
Questions
What does 1.28 gallons per flush mean?
1.28 gallons per flush is 20 percent less water than the current federal standard of 1.6 gallons per flush, according to the EPA. WaterSense-labeled toilets meet EPA efficiency and performance criteria through independent certification. Several picks in this guide are listed at 1.28 gallons per flush.
Do 1.28-gallon-per-flush toilets flush as well as older 1.6-gallon-per-flush models?
The EPA says design improvements have allowed 1.28-gallon-per-flush toilets to provide equal or superior performance while using less water. WaterSense-labeled models must pass tests for waste extraction, bowl surface cleaning, and drainline transport. Check a listing for a named flush technology such as AquaPiston or Class Five if flush performance is a concern.
What is chair height or comfort height in a toilet listing?
Kohler listings in this guide use chair height or Comfort Height to describe a taller bowl that makes sitting down and standing up easier. Several picks, including the Cimarron, the Highline models, the Memoirs Stately chair-height model, the Barrington, the Eir, and the Numi 2.0, are listed with chair height. The ADA accessibility standards can inform bathroom planning, though the exact height is not stated in these listings.
What is rough-in and why does it matter?
Rough-in is the distance from the finished wall to the center of the toilet drain. Many standard installations are 12 inches, but this guide includes one pick with a 10-inch rough-in. If you are replacing a toilet, measure this distance before choosing. A 10-inch model will not fit a 12-inch drain without extra work.
Should I choose a one-piece or two-piece toilet?
Two-piece toilets have a separate tank and bowl, which is the traditional arrangement. One-piece toilets combine the bowl and tank in a single unit, which removes the seam and can be easier to wipe down. The Cimarron, Spacity, Leap, and Eir are one-piece picks in this guide; the Highline and Wellworth models are two-piece.
What do smart Kohler toilets include?
Smart models in this guide add a built-in bidet, dual flush, and quiet-close features. They remove the need for a separate bidet seat and are available in both standard and chair heights. Because flush volume and rough-in are not stated for every smart pick, confirm those specifications with the seller before buying.
Revision notes
- : First published.