When you buy through our links, we may earn a commission. Learn more ›
Wiki Shopping
Wiki Shopping
TipsLearnAbout
Wiki Shopping

One-Piece Toilets

All toilets

7 one-piece toilets from DeerValley, Jastoeny, Swiss Madison and more. Most cost $250 to $1,770, and half cost less than $1,399.

Top brands: TOTO (4)

All filtersFilters (2)×
Pieces: One-piece  ×Gallons per flush: Under 1.2 GPF  ×Clear all
BrandTOTO4Casta Diva1Horow1Los Flexi1
PiecesOne-piece7
Bowl shapeElongated6
Gallons per flush1.2 to 1.4 GPF391.5 to 1.6 GPF34Under 1.2 GPF7
Seat heightChair height7
Rough-in12 in3
Bidet built in or includedBidet built in or included5
PriceUnder $2502Under $3002Under $4001$250 & above5$300 & above5$500 & above4$1,200 & above4
Clear allShow 7 toilets
Pieces: One-piece  ×Gallons per flush: Under 1.2 GPF  ×7 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Casta Diva

One-piece, Elongated, Under 1.2 GPF, Chair height

+Uses under 1.2 GPF for water-saving flushing
+Elongated bowl for added seating room
+Chair height seat for easier sitting and standing
−Single flush design without a dual flush option
$249.99-17%List: $299.99
as of 11/03/2026 22:20 PST - Details
Horow

One-piece, Under 1.2 GPF, Chair height, 12 in

+Under 1.2 GPF flush uses less water than typical toilets
+One-piece design with no separate tank to clean
+Chair height suits taller users and easier sitting
−Auto flush depends on batteries for operation
−Non-electric design lacks heated seat and warm water features
$369.00-8%List: $398.99
as of 11/03/2026 23:27 PST - Details
Los Flexi

One-piece, Elongated, Under 1.2 GPF, Chair height

+Under 1.2 GPF flush volume for water savings
+Elongated bowl for added seating comfort
+One-piece design with no seam between tank and bowl
−Non-electric, so no bidet or smart features
$239.99
as of 11/04/2026 00:03 PST - Details
TOTO

One-piece, Elongated, Under 1.2 GPF, Chair height

+One-piece design has no seam at the tank joint
+WASHLET+ bidet function built in
+Under 1.2 GPF flush uses less water per flush
−Smart features add electrical setup requirements
$1,399.00
as of 11/04/2026 06:35 PST - Details
TOTO

One-piece, Elongated, Under 1.2 GPF, Chair height

+One-piece design has no seam at the tank joint
+WASHLET+ bidet function built in
+Under 1.2 GPF flush uses less water per flush
−Smart features add electrical setup requirements
$1,515.00
as of 11/04/2026 06:35 PST - Details
TOTO

One-piece, Elongated, Under 1.2 GPF, Chair height

+One-piece design has no seam at the tank joint
+WASHLET+ bidet function built in
+Under 1.2 GPF flush uses less water per flush
−Smart features add electrical setup requirements
$1,770.00
as of 11/04/2026 06:35 PST - Details
TOTO

One-piece, Elongated, Under 1.2 GPF, Chair height

+Uses under 1.2 GPF per flush
+One-piece design with no joint between tank and bowl
+Smart WASHLET+ bidet features built in
−Requires a WASHLET-compatible setup to use bidet features
$1,825.00
as of 11/04/2026 06:35 PST - Details

Compare specs

toiletPiecesBowl shapeFlushGallons per flushSpec scorePrice
One-pieceElongatedUnder 1.2 GPFn/a$249.99
as of 11/03/2026 22:20 PST - Details
One-pieceUnder 1.2 GPFn/a$369.00
as of 11/03/2026 23:27 PST - Details
One-pieceElongatedUnder 1.2 GPFn/a$239.99
as of 11/04/2026 00:03 PST - Details
One-pieceElongatedUnder 1.2 GPFn/a$1,399.00
as of 11/04/2026 06:35 PST - Details
One-pieceElongatedUnder 1.2 GPFn/a$1,515.00
as of 11/04/2026 06:35 PST - Details
One-pieceElongatedUnder 1.2 GPFn/a$1,770.00
as of 11/04/2026 06:35 PST - Details
One-pieceElongatedUnder 1.2 GPFn/a$1,825.00
as of 11/04/2026 06:35 PST - Details

Before you buy

Other Pieces options

Bidet Seats649Laundry & Utility Fixtures69Bathtub Faucets & Showerheads15Bathroom Sinks80Bathroom Sink Vanities & Accessories100Bathroom Fixture Accessories5Bathroom Safety & Accessibility77Bathroom Storage & Mirrors78Kitchen Sink Aerators63Kitchen Sink Accessories95Water Dispensers & Coolers92Drain Strainers81

Popular filters

Elongated Toilets255Toilets with a Bidet165Chair Height Toilets1641.2 to 1.4 GPF Toilets160Dual Flush Toilets152Two-Piece Toilets145Toilets under $30079Toilets with a 12-Inch Rough-In78

Toilets by use

Macerating Toilets19One Piece Dual Flush Toilets79Two Piece Chair Height Toilets65Elongated Chair Height Toilets111Compact One Piece Toilets41Wall Hung Dual Flush Toilets22

Related product types

Two-Piece Toilets145

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.