The best comfort height toilet makes sitting down and standing up easier for adults, seniors, and anyone with knee, hip, or back pain. A comfort height toilet has a seat about 17 to 19 inches above the floor, which is close to the height of a dining chair. Extra-tall models reach 21 inches for very tall users or people with limited mobility.
To help you choose, we compared six popular models from SUPERFLO, Simple Project, DeerValley, Casta Diva, and AlphaBath. We judged each one on seat height, flushing performance, comfort, and value. Our quick verdict: the SUPERFLO 21 Inch Extra Tall Toilet is the best extra-tall pick, the Casta Diva 17-inch One Piece Toilet is the best standard comfort height model, and the AlphaBath 17.3-inch Two-Piece is the best value.
Best Comfort Height Toilet: Top Picks Compared
Our top picks are the SUPERFLO 21 Inch Extra Tall Elongated Toilet, the Simple Project 21 Inch Tall Toilet, and the DeerValley Two-Piece Toilet ADA Compliant 12″.
Pros
- Extra tall height (21 inches) reduces strain on knees and back when sitting or standing.
- Quiet soft-close seat lid adds comfort and prevents noise in shared bathrooms.
- Efficient single-flush system uses less water while still providing excellent waste removal.
- Straightforward installation with clear video instructions and all necessary hardware included.
- High-quality ceramic build with a sleek white finish that matches most bathroom decors.
Cons
- Two-piece design may have more seams to clean compared to one-piece toilets.
- Single-flush only, lacking a dual-flush option for even greater water savings.
- Polypropylene seat may feel less premium than wooden or heated seats.
The SUPERFLO 21 Inch High Toilet is a two-piece elongated toilet designed specifically for seniors, disabled individuals, and tall users who need extra height without a bulky lift. With a 21-inch bowl height, it offers a comfortable seating position that makes standing up much easier, reducing strain on knees and back.
Standout features include a soft-close seat that drops silently, a powerful flush rated for 1000 grams of waste, and water efficiency at 1.28 gallons per flush. In real-world use, the flush is strong and clears the bowl in one go, while the quiet lid is a welcome upgrade for nighttime bathroom visits.
The toilet is made of durable ceramic with a glossy white finish that resists staining. The two-piece design is standard but the included polypropylene seat is lightweight and easy to clean. Installation is straightforward with the provided hardware and a helpful video guide, though the unit is heavy and may require two people to lift.
One potential drawback is the lack of a dual-flush option, which some users prefer for maximum water conservation. Also, the polypropylene seat, while functional, does not feel as luxurious as a wooden or heated seat. However, given the price point and accessibility focus, these are minor trade-offs.
Overall, the SUPERFLO 21 Inch Toilet delivers on its promise of comfort height and ease of use. It is an excellent choice for aging-in-place renovations, accessible bathrooms, or anyone who finds standard toilets too low. The strong flush, quiet seat, and solid warranty make it a reliable investment for any home.
Brand: SUPERFLO
Model: HT-140
Type: Two-Piece Elongated Toilet
Bowl Height: 21 inches (comfort height)
Flush Type: Single Flush, 1.28 GPF
Rough-In: 12 inches
Dimensions: 29.3" D x 14.7" W x 35.2" H
Material: Ceramic (bowl and tank), Polypropylene (seat)
Installation: Floor Mounted
Color: White
Warranty: 2 Years
Pros
- Extra-tall 21-inch seat height aids accessibility.
- Soft-close seat prevents noise and wear.
- Efficient 1.28 GPF flush saves water.
- Easy to install with standard rough-in.
- Backed by 2-year warranty and responsive support.
Cons
- At 94 pounds, the toilet is heavy and may require assistance for installation.
- The plastic seat, while durable, may not have the premium feel of wood or cushioned seats.
- Two-piece design may require more cleaning around the seam compared to one-piece toilets.
The Simple Project 21 Inch Tall Toilet is designed specifically for seniors and tall individuals who need extra height for comfortable use. With a seat height of 21 inches, it exceeds standard toilet heights and meets ADA recommendations, making it easier to sit down and stand up without strain.
This toilet features a soft-close elongated seat that eliminates noisy slamming, a common annoyance in busy bathrooms. Its single-flush system uses just 1.28 gallons per flush while achieving a MAP 1000-gram waste removal rating, ensuring powerful and efficient flushing every time.
Crafted from durable ceramic, the toilet is built to last and easy to clean. The two-piece design allows for straightforward installation in standard 12-inch rough-in bathrooms. At 35 inches tall overall, it fits well in most residential spaces while providing ample legroom.
One potential drawback is the weight: at 94 pounds, moving and installing the toilet may require two people. Additionally, the included plastic seat, while functional, may not offer the same comfort as thicker padded options. However, these are minor trade-offs for the accessibility benefits.
Overall, the Simple Project 21 Inch Tall Toilet is an excellent choice for anyone needing a higher toilet. It combines comfort, efficiency, and durability at a reasonable price point. Backed by a 2-year warranty and responsive customer support, it offers great value for seniors, tall users, and those with mobility issues.
Brand: Simple Project
Model: HT-140
Seat Height: 21 inches
Overall Dimensions: 27.9 in D x 14.3 in W x 35 in H
Weight: 94 pounds
Material: Ceramic
Seat Material: Plastic
Flush Type: Single Flush, 1.28 GPF
Rough-In: 12 inches
Color: White
Shape: Elongated
Installation: Floor Mounted
Warranty: 2 years
Pros
- Comfortable ADA height suitable for elderly or mobility-challenged users
- Efficient flush saves water without sacrificing performance
- Quiet-close seat reduces noise disturbance
- High-quality glaze resists stains and cracks
- Affordable price point for a feature-rich toilet
Cons
- Two-piece design may be slightly harder to install than one-piece models
- Some users report occasional flush noise due to high water pressure
- Seat may not be as durable as higher-end models
The DeerValley DV-2F52531 two-piece toilet is designed for homeowners who value comfort, efficiency, and modern style. With its ADA compliant 17 13/16 inch seat height, it is an excellent choice for elderly individuals, tall users, or anyone with mobility concerns. The elongated bowl provides extra legroom, while the high white finish fits seamlessly into any bathroom decor.
Standout features include a powerful 1.28 GPF flush system that uses a high water level and 360-degree jet spiral scrubbing to remove waste effectively. Despite its low water consumption, the flush delivers strong performance, reducing clogs and the need for double flushing. The quiet-close seat adds a touch of luxury, closing silently without slamming.
Build quality is impressive for the price. The ceramic is fired at high temperatures, resulting in a dense, low-porosity glaze that resists stains, scratches, and cracking. The included soft-closing seat is made of polypropylene and feels sturdy. The two-piece design is standard and straightforward to install, though it may require more effort than a one-piece model.
Potential drawbacks include a slightly louder flush compared to some high-end toilets, which some users may notice at night. The seat, while functional, may not be as plush or durable as premium aftermarket options. Additionally, the toilet is relatively heavy at 90 pounds, so installation may be a two-person job.
Overall, the DeerValley DV-2F52531 offers outstanding value. It combines ADA accessibility, water efficiency, and a quiet-close seat at a price that is hard to beat. For budget-conscious buyers who do not want to compromise on comfort or performance, this toilet is a top recommendation.
Pros
- Sleek, modern one-piece design with easy-to-clean skirted profile
- Comfortable 17-inch ADA chair height for easier use
- Powerful 1000-gram MAP flush that is quiet and efficient
- Dual flush saves water without compromising performance
- Soft-close seat adds convenience and reduces noise
Cons
- Some users report occasional clogging, particularly with paper, requiring extra water to flush
- Installation may be trickier than traditional two-piece toilets due to the compact one-piece design
- Compact dimensions may not suit larger bathrooms or users who prefer a more spacious bowl
The Casta Diva Elongated One Piece Toilet (model CD-T005) is a modern, skirted toilet designed for homeowners who value both style and efficiency. With its 17-inch ADA comfort chair height, it is an excellent choice for adults, seniors, and anyone seeking easier access and a more natural sitting position. The dual flush system offers water savings without sacrificing power, making it a practical upgrade for any bathroom.
At the heart of this toilet is a powerful siphon jet flush with a MAP rating of 1000 grams. Real-world user reviews highlight that it clears waste effectively and operates quietly, with many appreciating the noise reduction during nighttime use. The dual flush buttons allow you to select 1.1 GPF for liquid waste or 1.6 GPF for solids, earning it EPA WaterSense certification. However, a notable minority of users have experienced clogging issues, particularly with toilet paper, which can require adding extra water to initiate a proper flush.
The one-piece, skirted design is a standout feature: it eliminates the gap between the tank and bowl, creating a seamless profile that is much easier to clean than traditional two-piece toilets. The soft-close seat with quick-release functionality adds everyday convenience and allows for easy removal during cleaning. The compact dimensions (27.17" D x 14.37" W x 25.39" H) help it fit well in smaller bathrooms, though some may find the bowl a bit shorter than standard elongated models.
Build quality is solid, with a glossy ceramic finish that resists staining and scratches. The toilet meets CUPC standards and comes with a one-year limited warranty and lifetime technical support. Installation is designed for a standard 12-inch rough-in and includes all necessary hardware, but some DIYers report that the one-piece design is slightly heavier and more awkward to maneuver than a two-piece unit, so having an extra pair of hands is recommended.
Overall, the Casta Diva Elongated One Piece Toilet offers an excellent balance of modern aesthetics, water efficiency, and comfort at a competitive price. While minor clogging concerns exist, the vast majority of reviews praise its performance, ease of cleaning, and quiet operation. It is a strong choice for anyone looking to upgrade their bathroom with a stylish, high-functioning toilet.
Pros
- Powerful and efficient flush performance with minimal water usage.
- Comfort height sits ergonomically, easing daily bathroom routines.
- Soft-close seat and lid reduce noise and prevent wear.
- Self-cleaning nano glaze simplifies maintenance and upkeep.
- Sturdy, durable construction with high weight capacity.
Cons
- Some users report occasional clogging despite the advanced flush system.
- Heavy at 115 pounds, may require two people for safe installation.
- Two-piece design might not blend as seamlessly as a one-piece toilet.
The AlphaBath 17.3" elongated two-piece toilet is a high-performance fixture designed for modern bathrooms, prioritizing comfort, water efficiency, and cleanliness. It is particularly suited for households with seniors or individuals with mobility challenges, thanks to its ADA-compliant comfort height that reduces physical strain.
Standout features include the 360° Tsunami Flush system, which generates a powerful vortex to effectively clear waste with just 1.27 gallons per flush. This WaterSense-certified technology saves up to 16,500 gallons of water annually compared to older 3.6 GPF models, without sacrificing flushing power, evidenced by an impressive 1000-gram MAP score.
The toilet's Nano Clean glaze creates a three-layer protective surface that prevents particles from sticking, making cleaning significantly easier. The soft-close seat and lid have passed 100,000 opening-closing tests, ensuring quiet operation and long-lasting durability. The heavy-duty build supports up to 674 pounds on the seat and 300 pounds on the lid, offering exceptional stability for all users.
While the toilet performs admirably, a few drawbacks exist. A handful of users note occasional clogging, despite the advanced flush. Additionally, the 115-pound weight can make installation challenging for a single person, and the two-piece design may not appeal to those who prefer a seamless look.
Overall, the AlphaBath toilet is a solid investment for anyone looking to enhance bathroom comfort and efficiency. Its combination of powerful flushing, water savings, ergonomic height, and easy maintenance makes it a practical and reliable choice for families and individuals alike.
Brand: AlphaBath
Model: KBF-TPT003
Product Dimensions: 21.26" D x 21.46" W x 39.37" H
Material: Ceramic (toilet), Polypropylene (seat)
Installation: Floor mounted
Flush Type: Single flush
Flush Volume: 1.27 GPF
Certifications: CUPC, DOE, EPA WaterSense, ADA Height, Green, MAP
Included Components: Toilet bowl, seat, switch
Our Best Comfort Height Toilet Picks Reviewed
A standard toilet is about 15 inches tall. That height is fine for children, but many adults find it too low. A comfort height toilet raises the seat by two to four inches, so your knees bend less and your legs do less work. The ADA requires accessible toilets to be 17 to 19 inches tall, measured to the top of the seat.
How to Choose the Best Comfort Height Toilet
The right choice comes down to choosing the right height, flushing performance, bowl shape, and one-piece or Two-Piece.
- Choose the Right Height: For most adults, 17 to 18 inches is ideal. The Casta Diva models are 17 and 17.5 inches tall, and the AlphaBath is 17.3 inches tall. For very tall users or people who have great difficulty standing, a 21-inch model, such as the SUPERFLO or Simple Project, provides the most relief.
- Flushing Performance: A strong flush prevents clogs. The Simple Project toilet has a MaP rating of 1,000 grams, which is the top score. The Casta Diva 17-inch model uses an efficient 1.1/1.6 GPF dual flush, and the SUPERFLO uses a 1.28 GPF flush.
- Bowl Shape: Elongated bowls pair best with comfort height because they provide more room and support. All the models in this guide have elongated bowls.
- One-Piece or Two-Piece: One-piece models, such as the Casta Diva toilets, are easier to clean. Two-piece models, such as the DeerValley and AlphaBath, are usually easier to carry and cost less.
- Included Seat: A soft-close seat is a useful extra. The AlphaBath and DeerValley models include a soft-close or quiet-close seat.
Who Should Choose ?
- Seniors who want to stay independent in the bathroom.
- Tall adults who find standard toilets uncomfortable.
- People with arthritis or knee, hip, or back problems.
- Anyone recovering from surgery.
- Homeowners planning to age in place.
If a full replacement is not possible, a raised seat is a cheaper alternative. See our guide to the best raised toilet seats. For more senior-friendly options, read our guide to the best toilet for elderly users.
Installation Tips
- Measure the rough-in, which is usually 12 inches.
- Consider who uses the bathroom, because children may need a step stool.
- Add grab bars nearby for extra safety.
Final Verdict on the Best Comfort Height Toilet
After comparing these models, we recommend the Casta Diva 17-inch One Piece Toilet as the best comfort height toilet for most homes. It offers ADA height, a sleek design, and an efficient dual flush. If you need extra height, the SUPERFLO 21 Inch Extra Tall Toilet is ideal for tall users and seniors. If you want a budget-friendly option with a soft-close seat, the AlphaBath 17.3-inch Two-Piece is an excellent value.
Comfort Height Toilet FAQs
Common questions from buyers include “Is comfort height the same as ADA height?” and “Are 21-inch toilets too tall?”.
What height is a comfort height toilet?
A comfort height toilet is usually 17 to 19 inches tall, measured from the floor to the top of the seat.
Is a comfort height toilet good for short people?
It can feel high for short adults and children. If your feet do not rest flat on the floor, a standard-height toilet may be better.
Is comfort height the same as ADA height?
Yes. ADA guidelines require a seat height of 17 to 19 inches, which matches most comfort height toilets.
Are 21-inch toilets too tall?
They are ideal for very tall users and some seniors, but they are too tall for many people. Measure before you buy.
Do comfort height toilets cost more?
Not much. Many comfort height models cost about the same as standard-height toilets.
For more bathroom ideas, browse our best toilets category.

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