Best 10 Inch Rough-In Toilets: Top 7 Picks (October 2026)
The best 10-inch rough-in toilets include the HOROW T0338W10 10-Inch Rough-In ADA Toilet for chair-height comfort, the Swiss Madison Sublime II 10-Inch Rough-In Toilet for round-bowl fit, and the Swiss Madison Concorde 10-Inch Rough-In Toilet for a square bowl.
On this page (6 sections)
The best 10 inch rough-in toilet for most bathrooms is the HOROW T0338W10, with a 17.3 in seat height, elongated bowl and dual flush. The Swiss Madison Sublime II has a round bowl, while the DeerValley combines an elongated bowl with comfort-height seating.
A 10 in rough-in model can help when the drain sits close to the finished wall. Measure from the wall to the center of the floor bolts before you compare toilets, and account for baseboard thickness if it changes where the finished wall sits.
Our guide to 10 inch rough-in toilets and where they're used explains the measurement and common fit situations. For a step-by-step check, use how to measure toilet rough-in.
Our picks at a glance
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1
Best for chair-height comfortHOROW T0338W10 10-Inch Rough-In ADA Toilet
8.2/10 our score
See it on Amazon -
2
Best for round-bowl fitSwiss Madison Sublime II 10-Inch Rough-In Toilet
8.1/10 our score
See it on Amazon -
3
Best for a square bowlSwiss Madison Concorde 10-Inch Rough-In Toilet
7.8/10 our score
See it on Amazon
- 4
Check itDeerValley 10-Inch Rough-In One-Piece Toilet
Best for elongated comfort height - 5
Check itLos Flexi 17.3-Inch 10-Inch Rough-In Toilet
Best for low-water flush options - 6
Check itKohler Highline Comfort Height Two-Piece Toilet
Best for two-piece configuration - 7
Check itSwiss Madison Monaco 10-Inch Rough-In Toilet
Best for an elongated standard-height bowl
How we chose the best 10 inch rough-in toilets
The best 10 inch rough-in toilet depends on confirmed fit, bowl shape, seat height and flush options. We compared those details across the seven models, then matched each pick to a different bathroom need.
Rough-in size is only one part of fit. Check overall depth and width, the bowl shape you prefer, and whether the seat height suits the people who use the toilet.
Compare 10 inch rough-in toilet features
These 10 inch rough-in toilets differ most in bowl shape, height and flush settings. Use the table to narrow the list, then check the installation dimensions against your room.
| Product | Best for | Rough-in | Bowl | Flush | Our score |
|---|---|---|---|---|---|
| HOROW T0338W10 10-Inch Rough-In ADA Toilet | chair-height comfort | 10 in | Elongated | Dual, 1.1/1.6 GPF | 8.2 |
| Swiss Madison Sublime II 10-Inch Rough-In Toilet | round-bowl fit | 10 in | Round | Dual, 1.1/1.6 GPF | 8.1 |
| Swiss Madison Concorde 10-Inch Rough-In Toilet | a square bowl | 10 in | Square | Dual, 1.1/1.6 GPF | 7.8 |
| DeerValley 10-Inch Rough-In One-Piece Toilet | elongated comfort height | 10 in | Elongated | Dual, 1.1/1.6 GPF | 7.6 |
| Los Flexi 17.3-Inch 10-Inch Rough-In Toilet | low-water flush options | 10 in | Elongated | Dual, 1.0/1.28 GPF | 7.4 |
| Kohler Highline Comfort Height Two-Piece Toilet | two-piece configuration | 10 in | Elongated | 1.28 GPF | 7.2 |
| Swiss Madison Monaco 10-Inch Rough-In Toilet | an elongated standard-height bowl | 10 in | Elongated | Dual, 1.1/1.6 GPF | 7.1 |
Best 10 inch rough-in toilet picks
The HOROW is the best fit for buyers who want a taller seat, while the other models offer different bowl shapes and configurations. Compare the key details before choosing a style.
HOROW T0338W10 10-Inch Rough-In ADA Toilet: Best for chair-height comfort
- 10 in rough-in
- 17.3 in seat height
- Elongated bowl
- Dual flush, 1.1/1.6 GPF
The 17.3 in seat height and elongated bowl suit buyers who want a taller seat in a 10 in rough-in toilet. Its dual flush offers 1.1 and 1.6 GPF options.
Pros
- 17.3 in seat height
- Elongated bowl
- Dual flush
Cons
- One-piece design weighs 99.2 lb
HOROW's T0338W10 suits a buyer who wants 17.3 in seat height and an elongated bowl in a 10 in rough-in toilet. The toilet measures 26.6 in deep by 15 in wide and 26 in high.
The one-piece design has a fully glazed 2 in trapway and a top dual-flush button. HOROW gives flush options of 1.1 and 1.6 GPF, and includes a soft-close polypropylene seat.
It weighs 99.2 lb. Confirm the floor area and lifting plan before installation, and measure the rough-in before ordering.
Choose it if the taller seat and elongated bowl fit your needs. For another raised-seat option, compare our best chair-height toilets.
Swiss Madison Sublime II 10-Inch Rough-In Toilet: Best for round-bowl fit
- 10 in rough-in
- Round bowl
- Dual flush, 1.1/1.6 GPF
- Soft-close quick-release seat
The round bowl is a useful choice when you prefer its shape, and the dual flush gives a 1.1 or 1.6 GPF option. The seat is soft-close and quick-release.
Pros
- Round bowl
- Dual flush
- Quick-release seat
Cons
- Standard height
The Swiss Madison Sublime II suits a bathroom where a round bowl is the priority. It measures 24 in deep by 14 in wide, which gives you dimensions to compare with the available floor space.
The one-piece toilet has a 10 in rough-in, standard-height seating and a dual-flush button with 1.1 and 1.6 GPF settings. Its skirted trapway hides the plumbing, while the soft-close seat can be removed with a quick-release button.
Choose this model when you want a round bowl and two flush options. If the room is tight, compare its dimensions with our compact toilet guide.
Swiss Madison Concorde 10-Inch Rough-In Toilet: Best for a square bowl
- 10 in rough-in
- Square bowl
- Dual flush, 1.1/1.6 GPF
- Soft-close quick-release seat
The Concorde pairs a square bowl with a skirted one-piece design. Pick it if that shape and look suit your bathroom and you want two flush settings.
Pros
- Square bowl
- Dual flush
- Quick-release seat
Cons
- 27.15 in deep by 14.75 in wide
The Swiss Madison Concorde stands out for its square bowl, a shape that gives this one-piece design a distinct look. It measures 27.15 in deep by 14.75 in wide, so check that depth against the space in front of the toilet.
The 10 in rough-in model has a dual flush with 1.1 and 1.6 GPF options. It also has a skirted trapway and a soft-close, quick-release seat.
Choose the Concorde if you want a square bowl and the dimensions work in your bathroom. For more choices across shapes, see our guide to choosing a toilet by fit and features.
DeerValley 10-Inch Rough-In One-Piece Toilet: Best for elongated comfort height
- 10 in rough-in
- Elongated bowl
- Comfort-height seating
- Dual flush, 1.1/1.6 GPF
This one-piece model combines an elongated bowl with comfort-height seating and a dual-flush system. It includes a soft-close, quick-release seat.
Pros
- Elongated bowl
- Comfort-height seating
- Seat is soft-close and quick-release
Cons
- 28.62 in deep by 15.47 in wide
The DeerValley one-piece model combines an elongated bowl with comfort-height seating. Its dimensions are 28.62 in deep by 15.47 in wide, and the seat is soft-close with a quick-release feature.
The dual-flush system offers 1.1 and 1.6 GPF choices. The skirted trapway gives the toilet a smooth outer profile, and the package includes a wax ring, floor bolts and installation instructions.
Choose this model if you want an elongated bowl with comfort-height seating. Compare other taller-seat choices in our guide to chair height versus standard toilets.
Los Flexi 17.3-Inch 10-Inch Rough-In Toilet: Best for low-water flush options
- 10 in rough-in
- 17.3 in seat height
- Elongated bowl
- Dual flush, 1.0/1.28 GPF
The Los Flexi combines a 17.3 in seat height with an elongated bowl and 1.0/1.28 GPF dual flush. It includes a soft-closing seat.
Pros
- 17.3 in seat height
- 1.0/1.28 GPF dual flush
- Elongated bowl
Cons
- One-piece model weighs 98.8 lb
The Los Flexi pairs a 17.3 in seat height with an elongated bowl and lower dual-flush options. Its flush settings are 1.0 and 1.28 GPF, and the one-piece design measures 27.5 in deep by 15.8 in wide.
The soft-closing seat is included, along with an installation kit. Los Flexi describes the seat height as ADA-compliant; check the installation requirements and dimensions for your bathroom before choosing it.
This model suits buyers who want a taller seat with 1.0/1.28 GPF flush settings. If sitting height is your main concern, compare it with the best tall toilets.
Kohler Highline Comfort Height Two-Piece Toilet: Best for two-piece configuration
- 10 in rough-in
- Two-piece design
- Elongated bowl
- 1.28 GPF
This Kohler Highline is a two-piece model with an elongated bowl and 1.28 GPF flush. Its two-piece layout may suit buyers who prefer that configuration.
Pros
- Two-piece configuration
- Elongated bowl
- 1.28 GPF
Cons
- Seat height isn't specified
The Kohler Highline is a two-piece elongated toilet with a 1.28 GPF flush. It measures 29.5 in deep by 18 in wide, so check whether that footprint works with the clearances in your bathroom.
Kohler describes the bowl as elongated and says it adds 1.5 in compared with a traditional round bowl. The model has a 10 in rough-in, but the seat height isn't specified.
Choose it if you prefer a two-piece configuration and want the elongated shape. Our toilet bowl height guide explains which height measurements to compare.
Swiss Madison Monaco 10-Inch Rough-In Toilet: Best for an elongated standard-height bowl
- 10 in rough-in
- Elongated bowl
- Dual flush, 1.1/1.6 GPF
- One-piece design
The Monaco is a one-piece toilet with an elongated bowl and 1.1/1.6 GPF dual flush. It has standard-height seating.
Pros
- Elongated bowl
- Dual flush
- One-piece design
Cons
- 34 in deep by 24 in wide
The Swiss Madison Monaco offers a standard-height elongated bowl in a one-piece design. It has a 10 in rough-in and a dual-flush system with 1.1 and 1.6 GPF choices.
The dimensions are 34 in deep by 24 in wide, so measure the space carefully before deciding. Its footprint is notably larger than several other models in this group.
Choose the Monaco if its elongated bowl and standard seat height match your needs and the room has enough space. If you want a shorter footprint, compare it with our best compact toilets for powder rooms.
What should you check before buying a 10 inch rough-in toilet?
Before buying a 10 inch rough-in toilet, confirm the drain measurement and compare the toilet's full dimensions with your bathroom. The rough-in alone doesn't show how much floor space the bowl and tank will use.
Measure from the finished wall to the center of the floor bolts. Then check product dimensions for depth, width and height, including clearance in front of the bowl and room around the seat.
Bowl shape also affects how the toilet fits and feels. A round bowl can suit a compact room, while an elongated bowl extends farther into the room; compare both with the available clearance.
Seat height varies between these picks. If you want chair-height seating, compare the stated height with your current toilet and consider the needs of everyone who will use it.
Are 10 inch rough-in toilets right for older bathrooms?
A 10 inch rough-in toilet can suit a bathroom where the drain sits 10 in from the finished wall. Some buyers look for this size during a remodel to keep the existing plumbing location.
Measure first rather than relying on the age of the house or the current toilet's appearance. A wrong measurement can lead to a poor fit, so use our rough-in measuring steps before narrowing your options.
Which 10 inch rough-in toilet should you choose?
Choose the HOROW T0338W10 if you want a 17.3 in seat height and an elongated bowl. Pick the Sublime II for a round bowl, the Concorde for a square one, or the DeerValley for elongated comfort-height seating.
If flush volume is your main comparison, the Los Flexi uses 1.0/1.28 GPF settings, while several other picks offer 1.1/1.6 GPF. Confirm the rough-in and room dimensions before you buy, then use our 10 inch rough-in toilet guide for the next fit check.
Our top 3 picks at a glance
-
1
Best for chair-height comfort
HOROW T0338W10 10-Inch Rough-In ADA Toilet
8.2/10 our score
See it on Amazon -
2
Best for round-bowl fit
Swiss Madison Sublime II 10-Inch Rough-In Toilet
8.1/10 our score
See it on Amazon -
3
Best for a square bowl
Swiss Madison Concorde 10-Inch Rough-In Toilet
7.8/10 our score
See it on Amazon
Frequently asked questions
What is a 10 inch rough-in toilet?
A 10 inch rough-in toilet is designed for a 10 in distance from the finished wall to the center of the floor drain bolts. Measure before you shop, since baseboards and an existing toilet can make a quick estimate inaccurate.
Our 10 inch rough-in guide explains where this size is used.
Can you use a 10 inch rough-in toilet with a 12 inch rough-in?
A toilet made for a 10 in rough-in may leave too much space behind it on a 12 in rough-in. The fit depends on the toilet's design and the actual room dimensions, so check the manufacturer's installation requirements before choosing.
Measure the rough-in carefully with our rough-in measurement guide.
Are 10 inch rough-in toilets smaller?
Some 10 in rough-in models have compact dimensions, but the rough-in measurement alone doesn't tell you the toilet's depth, width or height. Compare those measurements with your room and the clearance around the bowl.
For more space-planning tips, see compact toilet basics.
Do 10 inch rough-in toilets come in chair height?
Yes. The HOROW T0338W10 and Los Flexi models here have 17.3 in seat heights, and DeerValley describes its model as comfort height.
Seat height can affect how easy it feels to sit down and stand up, so compare the measurement with the current toilet and household needs.
