Best One Piece Toilet

Best One Piece Toilet

Are you searching for the best one piece toilet? The process might be challenging because there is a wide range of options available in the market.

But here, we are discussing some of the top-rated one piece toilets that offer incredible comfort and functionalities.

Later, we will mention some of the points you can consider before purchasing a bathroom accessory. Let’s start.

One Piece Toilets Purchase In 2022

Here are our 9 best 1 piece toilet in the USA market.



  • Material: Porcelain
  • Finish: Cotton White
  • Flush: Siphon Flushing, Dual
  • Water consumption: 1.0/1.6 GPF

Do you spend some additional minutes sitting on the toilet? Well, many users prefer to stay there to enjoy a smoke and even a cup of tea. You might not believe it, a cup of tea sitting over the toilet seat is preferable by a lot of individuals.

No matter you want to sit or leave as soon as possible, Woodbridge T-0019 could be a perfect choice because of its comfortable height and design, which makes the actions of sitting and standing up very easy as well as convenient. Moreover, this unit is easy to clean because of its one piece and smooth build.

Woodbridge T-0019 has a smooth and stylish design that suits all the bathrooms. Plus, its white shade complements the surrounding fixtures. Apart from that, this unit comes with a dual flushing mechanism.

This fully glazed siphon flushing mechanism is solid and forceful. So, you don’t have to worry about leaks and clogs. Moreover, the flushes are noiseless. So, you don’t have to wake up everyone after using the loo.

Woodbridge T-0019 arrives with all the components that you need to complete your bathroom. It comes with a toilet, pre-installed water fitting, floor bolts, soft closing seat, wax ring, and installation instructions. This unit also includes a unique hand wrench tool that’s very helpful in its setup.

If you need a compact and comfortable one piece toilet that can conserve lots of water, then Woodbridge T-0019 might be the perfect purchase. It’s water-efficient yet powerful.

Hence, this unit performs as per your expectation and offers the complete worth of your investment.


2. Swiss Madison SM-1T257 Sublime II

Swiss Madison SM-1T257 Sublime II

  • Material: Porcelain
  • Finish: Glossy White
  • Flush: Dual
  • Water consumption: 0.8/1.28 GPF

Swiss Madison SM-1T257 Sublime II check multiple boxes and tries hard to get a spot in your bathroom. It has an attractive design, skirting to hide the trapway and a high-power flush. As this is a 1 piece toilet, you can install it in small spaces as well.

This bathroom accessory has a length of 24 inches, which makes your washroom spacious. Then, it has a dual flush that gives you complete control over water usage. In other words, you have an opportunity to conserve water by using it in small amounts whenever possible.

You can activate a highly efficient 0.8 GPF for liquid wastes and 1.28 GPF for better power. Pick the flushes sensibly, and you can save a lot on your utility bills. There are two chrome-plated buttons to facilitate the water releases.

Swiss Madison SM-1T257 has an elongated bowl, which maximizes your comfort. Such a design is more relaxing when compared to round variants. Apart from that, it’s equipped with a soft closing seat that never makes slamming noises. This seat is attached using quick-release hinges so that cleaning can be more accessible.

The SM-1T257 Sublime II is one of the best 1 piece toilets because of its stylish appearance, powerful flushing, and water-conserving nature. It’s also available at a reasonable price tag.


3. Kohler 3810-0 Santa Rosa

Kohler 3810-0 Santa Rosa

  • Material: China
  • Finish: White
  • Flush: Aquapiston Flush Technology, Single
  • Water consumption: 1.28 GPF

Kohler 3810-0 Santa Rosa comes with an inbuilt water tank, which means it’s perfect if you don’t have sufficient spare time to clean the bathroom every other day. You might agree with us because there are no nooks, corners, and crevices to work as dust or bacterial safe house. Plus, this seamless design adds style and elegance to your bathroom.

This 1 piece toilet has a comfortable height design, which gives you a chair-like seating position. So, it’s a perfect choice for users facing problems while sitting down or standing up. This unit is ADA compliant as well. In other words, this unit is ideal for senior citizens, disabled users, and individuals recovering from an accident or illness.

Kohler 3810-0 Santa Rosa comes with a soft close seat that tiptoes without slamming noises. Such an addition allows you to use the toilet during odd hours without disturbing any of your family members.

This bathroom accessory uses Aquapiston Flush Technology is powerful enough to eliminate waste as soon as possible. It consumes 1.28 GPF, which means you can save up to 16 500 gallons of water per year. No need to worry about the flushing power because this unit is WaterSense certified. So, it never comprises with the performance.


4. Toto MS604114CEFG#01 UltraMax II

Toto MS604114CEFG#01 UltraMax II

  • Material: Vitreous China
  • Finish: ‎Cotton White
  • Flush: Double Cyclone flushing action, Single
  • Water Consumption: 1.28 GPF

The Toto UltraMax II is a sleek 1 piece toilet with commercial-grade Double Cyclone flushing action. Its trap way has been designed and tested for clog-free and super-efficient performance throughout the years. This model consumes 1.28 GPF, which means its saves a lot of water and reduces your bills.

The flushing action uses two nozzles that create a forceful centrifugal effort to clean the bowl and rim thoroughly after each usage. The high-power flush deals with the waste in a single flush. So, you don’t have to press the lever again. Moreover, this unit is WaterSense labeled, which means it never compromises with the flushing performance.

This high-profile toilet is constructed using high-grade vitreous china and is finished with a CEFIONTECT glaze, which never allows any waste to stick on the bowl. Moreover, there are no holes or significant corners on the rim, so this unit looks seamless and is easy to clean. Plus, Its cotton white finish gels well with any bathroom décor.

Toto UltraMax II has a universal height, which means it offers maximum comfort to a wide range of users. Moreover, this toilet is ADA compliant. So, even elderly or disabled users can access it without any problems. In addition, this unit has an elongated design that adds to your comfort levels.

This bathroom accessory comes with a soft close seat, which ensures zero noise while you move it. So, you can access the bathroom during the odd hours without the fear of disturbing all your family members.


5. American Standard 2034314.222 Champion 4

American Standard 2034314.222

  • Material: Vitreous China
  • Finish: Linen
  • Flush: Single
  • Water Consumption: 1.28 GPF

American Standard Champion 4 offers clog-free performance even after years of usage. All thanks to its powerful flushing system, which can remove up to 70 percent more waste than standard toilets. Still, the flushes are super quiet and never disturbs anyone in your family.

This one piece unit has a single flush, which consumes 1.6 GPF. Hence, it conserves water and reduces your electricity bills. But, don’t expect any performance compromises because this model has a 4-inch piston action accelerator flush valve, which allows a forceful flow of water whenever you need it.

The Champion 4 has a rim height of 16.5 inches, which is perfect for all the users in your household. Moreover, it can easily accommodate seniors, disabled users, and individuals with mobility troubles. On top of that, this unit has an elongated bowl, which adds to the comfort and keeps you relaxed.

American Standard Champion 4 is one of the best one piece toilets if we talk about cleaning and maintenance. It comes with an EverClean surface, which stays dirt-free and is also easy to maintain. Moreover, this unit does not have a lot of corners that can hide dust or bacteria.

This bathroom accessory features a slow close seat, which reduces disturbing noises and saves the bowl from unwanted slamming. So, it could be a perfect choice if you want to enjoy a peaceful household.


6. Swiss Madison SM-1T112 Ivy

Swiss Madison SM-1T112

  • Material: Ceramic
  • Finish: White
  • Flush: Dual Tornado flush
  • Water consumption: 0.8/1.28 GPF

The Ivy series one piece toilets are extraordinarily pleasing and stylish. The SM-1T112 is no different because of its smooth edges, invisible trapway, and skirted design. The unit’s visuals match its flushing power.

Swiss Madison SM-1T112 deserves your attention because of its powerful Dual Tornado flush, which swirls the water around the bowl for effective cleaning results. A thorough rinse maintains cleanliness and also keeps the bacteria as well as foul odors at bay. The flushing mechanism has two options; 0.8 and 1.28 GPF.

Hence, you can release less water for liquid waste and unleash the full flush for bulk. But, the smaller flush gives you the actual savings. Over time, you can save hundreds of gallons per year. So, it’s time to upgrade if you are using an old and inefficient toilet working at 5.0 GPF or more.

Swiss Madison SM-1T112 Ivy has a comfortable height, plus it’s elongated. These two factors ensure complete comfort when you are sitting on the toilet. Due to a decent rim height, it can easily accommodate all the users, even elderlies and users recovering from an injury or illness.

A soft close comes included with the SM-1T112 Ivy. So, you can try this floor-mounted fixture because it’s a complete solution for your bathroom. This model is available at a reasonable price tag. Plus, its WaterSense certified and meets strict EPA guidelines.


7. TOTO MS854114EL#01 Eco Ultramax

TOTO MS854114EL#01

  • Materials: Vitreous China, Plastics
  • Finish: Cotton White
  • Flush: E-Max Flushing System, Single
  • Water consumption: 1.28 GPF

Toto MS854114EL#01 Eco Ultramax is a single-piece toilet available with an elongated bowl. It has a chrome-plated flush lever, which is fitted on the water tank. This model is ADA-compliant unit, which means it accommodates all the users without any discomfort.

The Ultramax has an E-Max System, which uses siphon jet flushing action to offer powerful waste removal. However, it does not make a lot of noise. This unit has a single flush mechanism, which consumes 1.28 GPF. Hence, it saves up to 20 percent of water.

This unit comes with a 3-inch flush valve that provides quick and consistent flushes. Its glazed trapway worth 2-1/8-Inch trapway optimizes waste passage. Apart from that, a pilot-operated fill valve offers noiseless performance at any water pressure.

Toto Ultramax is built using high-grade vitreous china. So, you don’t have to think about any early repairs or replacements. It has a cotton white shade, which suits any of the bathrooms. Moreover, this unit has a smooth and easy to clean design. There are no significant holes or corners where dust and microbes can hide or accumulate.

This bathroom accessory includes a SoftClose seat, which prevents unwanted slamming. It has an ergonomic design that keeps you comfortable. Made of high-quality plastic, this seat is long-lasting. Moreover, this has a layer of high gloss polypropylene, which is resistant to cleaning agents and chemicals.




  • Material: Ceramic
  • Finish: Pure White
  • Flush: Siphon Flushing, Dual
  • Water consumption: 1.0/1.6 GPF

Woodbridge T-0001 is a stylish and modern toilet, which adds elegance to your bathroom. It’s available in a pure white shade that suits any of the bathroom decors. Moreover, this unit has a concealed trap-way and sleek lines so that you can sanitize it easily.

This bathroom accessory has a rim height of 16.5 inches, which means its sitting height is 17 inches. This size offers maximum comfort, and hence, it’s suitable for all users. The T-0001 also includes a high-end soft closing seat that’s connected with stainless steel hinges. These hinges are easy to take out for cleaning and tightening purposes.

Woodbridge T-0001 has a siphon flushing system, which is powerful, but never makes a lot of noises. It allows you to release either 1.0 or 1.6 GPF, depending upon the waste type. Both the flushes use full force to deal with the waste immediately. Hence, you will never deal with clogs and leaks.

The toilet is WaterSense certified. So, it saves up to 16500 gallons of water without compromising with the flushing performance. Apart from that, its seat has CSA and UPC certifications.

Woodbridge T-0001 has all the factors to be a part of your space. It is constructed using ceramic, which is a long-lasting material. Plus, this unit suits all the bathroom types, including traditional, modern, craftsman, and all others. Above all, it has a Maximum Performance Flush score of 1000 grams, which maintains hygiene.


9. Kohler K-5401-PA-0 Veil

Kohler K-5401-PA-0

  • Material: Ceramic
  • Finish: White
  • Flush: Dual
  • Water consumption: 0.8/1.28 GPF

Kohler K-5401-PA-0 Veil is among the most stylish one piece toilets. Its sleek and smooth appearance makes your bathroom futuristic. Moreover, this unit has a comfortable seating height of 17 inches and its ADA complaint.

The K-5401-PA-0 Veil comes with a pump-assisted flush mechanism, which consumes either 0.8 or 1.28 GPF. Both the flushes are robust and offer immediate results without wasting lots of water. Due to an automated flushing system, you don’t have to touch the toilet. In case of a power outage, you can use the emergency backup button.

This model by Kohler is comparatively expensive, but it has multiple innovative and convenient features to provide the complete worth of your investment. The K-5401-PA-0 Veil includes a remote control, which allows you to adjust the water spray pressure and temperature. It has multiple other functions, including massage, front or rear wash, and dryer.

Kohler K-5401-PA-0 Veil comes with a heated seat. You can open and close its lid using the remote. The temperature control function keeps you comfortable during the winters and cold mornings.

This is a tank-less model, which connects to the direct water supply. So, you can try it even for a compact washroom. Such a bathroom accessory streamlines your space and makes it more comfortable and functional. Try this model for its comfort height, compactly built, stylish appearance, and powerful flush.


Buying Guide Of One Piece Toilet

Selecting the best 1 piece of toilet is not an easy task. You have to consider various factors, which might be challenging if you purchase such a unit for the first time. Hence, we have mentioned some of the most important factors to remember when buying a new single-piece unit.

Dimensions: Measure the available space in your bathroom and match it with the sizes of the separate one-piece toilets you prefer to purchase. Also, make sure the sitting height is comfortable for all your family members. Above all, measure your washroom’s rough-in and look for a new unit accordingly.

Water conservation: We all have to work together to save the environment. And investing in a water-efficient toilet is one of the most significant steps because such a fixture consumes almost 30 percent of water usage in a standard household. To reduce wastage, modern one piece toilets are water efficient. But, not all of them.

Most of the modern one piece toilets consume 1.28 GPF to maintain water efficiency. But, find a model that has a WaterSense label. This certification ensures that the toilet is water-conserving, which also helps you save a lot of money on utility bills. Dual flushing systems also give you an additional option with lower GPF.

Cleaning: After reading the one piece toilet reviews, you can understand that these units do not have any corners and gaps where dust or microbes can hide. Moreover, the chances of leakage are minimal because of such a smooth structure. You can understand the differences if you are using a two-piece fixture. However, all the one piece toilets are not the same. So, look for a simple and easy to clean model.

Flushing mechanism: Single and dual flush are the two standard systems discussed in the 1 piece toilet reviews. Dual flush models are better because they allow you to choose a partial amount of water apart from the complete release. Apart from that, try to look for a quiet flushing mechanism.

Gravity-based flushes are comparatively noiseless and seek minimal maintenance. Hence, it’s available with lots of one piece toilets. Waste removal technologies differ according to the make and model. So, pick something that fits your budget and reduces water wastage.

Shape: Most buyers don’t realize that the one piece toilets are available in different forms. However, it’s one of the most significant points when buying a new accessory for your space. Generally, single-piece toilets come in round and elongated bowl shapes.

Elongated models are oval, which means they are more comfortable than the round ones that are compact. Hence, the latter is perfect if you are shopping for a small bathroom.


Pick the best one piece toilet so that it can give you some relaxing time. Please pay attention to the factors we discussed in the buying guide. Do not look for a super cheap option for daily use products because they define the quality of your lifestyle.

We hope you can find a suitable fixture after checking the recommendations. Let us know which one you are going to try.

Similar Posts