10 Best One Piece Toilets 2025 in the United States

The Kohler Leap One-Piece Elongated Smart Toilet is a modern and well-equipped choice for those looking for a comfortable and hygienic bathroom fixture. Its elongated bowl shape offers extra seating space, which many find more comfortable compared to round bowls. The dual-flush system allows you to choose between a light 1.0 gallon flush for liquid waste and a stronger 1.28 gallon flush for solid waste, helping to save water without sacrificing performance. With a Comfort Height design, this toilet sits at chair height, making it easier for most adults to sit down and stand up.

The fully skirted trapway simplifies cleaning by hiding the pipes and reducing places where dirt can accumulate, while the quiet-close seat prevents loud slamming. One of the standout features is the integrated bidet system with a stainless steel wand that offers adjustable spray options, warm water, and self-cleaning with UV light, which improves hygiene and user convenience. Motion-activated lid opening and closing add a touch of smart technology, enhancing the hands-free experience.

The toilet’s material is high-quality plastic with a sleek white finish that fits well in contemporary bathrooms. At just over 20 inches tall and weighing around 106 pounds, it’s a solid, floor-mounted model that should be stable and durable. The plastic seat is standard but functional. Due to its advanced features and weight, it might be pricier and more complex to install than basic models. Additionally, the plastic finish is easy to clean but may not feel as premium as ceramic or porcelain seats to some users. This toilet is ideal for those seeking a smart, water-efficient, and comfortable one-piece toilet with built-in bidet functions, especially when upgrading a bathroom with modern conveniences.

The HOROW T0338WM is a well-designed one-piece toilet suited for homeowners seeking a modern and comfortable option. Its elongated bowl shape provides a spacious seating area, and the chair-height design (17.3 inches from floor to seat) makes it especially user-friendly for elderly individuals or anyone needing easier sit-to-stand transitions. The matte white ceramic finish offers a sleek, contemporary look that fits well in most bathrooms.

This model features a dual flush system with 0.8 and 1.28 gallons per flush options, balancing powerful flushing—evidenced by a strong 1000-gram Max Performance score—with water savings that can reduce consumption compared to older toilets. The fully-glazed 2-inch trapway helps maintain proper flow and reduces clogs. Installation is simplified thanks to large mounting holes and clear video instructions, making it manageable with a plumber’s help. The included high-quality, soft-closing seat with stainless steel hinges adds durability and reduces noise.

The toilet weighs around 99 pounds, which may make handling during installation somewhat challenging. Additionally, its 12-inch rough-in size is standard but should be verified against your bathroom’s plumbing to ensure compatibility. This toilet represents a strong option for those prioritizing comfort, water efficiency, and a clean modern look, especially appropriate for accessible bathroom setups.

The WOODBRIDGE Smart Bidet Toilet offers a combination of advanced features and practical design, making it a strong contender in the one-piece toilet category. One of its standout features is the smart sensing auto opening and closing lid, which enhances hygiene and convenience. The automatic flush function is another hands-free feature that ensures ease of use, especially beneficial for those with mobility issues.

The chair height design meets ADA standards and provides comfort, particularly for the elderly or those with knee problems. The dual flushing system is efficient, offering a full flush at 1.6 GPF and a half flush at 1.1 GPF, which helps in water conservation while maintaining a high flushing performance with a MaP score of 1000 grams. The toilet also includes a heated seat and front and rear wash options with adjustable water pressure, providing a luxurious and refreshing experience. Additionally, the foam shield and auto deodorization features contribute to a cleaner and more pleasant environment.

The foot sensor adds another layer of convenience by allowing lid and seat control as well as flushing activation without hand contact. However, it's important to note that this toilet is relatively heavy at 112 pounds and may require professional installation due to its advanced features. The porcelain material ensures durability, but the complexity of the electronic components might necessitate more frequent maintenance and support. The elegant remote control, while stylish, may have a learning curve for some users. This toilet is best suited for those looking for a technologically advanced and comfortable toilet with numerous automated features.