We all picture a sprawling spa bathroom, then reality hands us a closet. The good news is that a tight footprint does not force you to give up comfort. A compact toilet frees up floor space, makes the room feel larger, and still clears the bowl as well as a full-size model.
Your options run from corner units to self-contained macerating designs, so the right pick depends on your rough-in, your plumbing, and how much room you can spare. We compared the leading models on flush power, water use, footprint, and real install reports to help you reclaim your bathroom. Here are the best compact toilets for a small bathroom.
- 1.1/1.6 GPF dual flush
- 17.3-inch ADA seat height
- Soft-close seat included
- Class Five canister flush
- Uses 1.28 GPF, WaterSense
- 17-inch comfort height
- Fully skirted trapway
- 1.1/1.6 GPF dual flush
- 24.5-inch projection
- 1.28 GPF high-efficiency flush
- ADA chair height
- Wax ring and seat included
- Built-in 1/2 HP macerator
- Pumps up 9 ft or 120 ft out
- No vent stack needed
- Fits a 90-degree corner
- Heavy-duty porcelain
- 0.8/1.6 GPF dual flush
- Fully skirted one-piece
- 1.1/1.6 GPF dual flush
- Quick-release seat
Our Review Criteria: Footprint and projection decide a small-bathroom install, so we compared those first, alongside rough-in fit and seat height. Flush power per gallon mattered next: we weighed water efficiency against the EPA WaterSense standard of 1.28 gallons per flush or less, which still requires passing a flush-performance test, and confirmed each bowl carries the certifications for its type, such as cUPC listing and CSA certification for the macerating unit. We read verified owner reports to surface real strengths and honest drawbacks beyond the spec sheet. Every pick is verified as currently in stock, and a discontinued model is swapped for a comparable one.
Measure Your Bathroom Space
Before you buy a new fixture, grab a tape measure. Local plumbing codes set minimum clearances around a toilet, so check your local requirements first, especially in a rental or a permitted remodel.
Look at the whole layout, not just the bowl dimensions. Check the swing radius of the bathroom door so it clears the front of the bowl, and confirm the “rough-in” before you order.
- Check the rough-in: Measure from the finished wall (not the baseboard) to the center of the floor drain. The standard is 12 inches, but older homes often have a 10 or 14-inch rough-in, and most compact models ship in a 12-inch version only.
- Mind the side clearance: The International Residential Code calls for at least 15 inches from the center of the bowl to any wall or fixture on each side, so leave elbow room between the toilet and the vanity.
Explore 4 Compact Toilet Types
Compact toilets come in a few shapes, each solving a different spatial problem. Here are the four styles you will run into:
One-Piece Vs. Two-Piece
A one-piece toilet molds the tank and bowl into a single casting. There is no seam between them, so there is one less gasket to leak and no crevice to trap grime, and it usually sits a little lower and looks cleaner.
A two-piece toilet keeps the tank separate. It is heavier overall but easier to carry in pieces, the tank is simpler to service, and it tends to cost less for similar flush performance.
Macerating and Tankless
A tankless toilet skips the bulky reservoir and flushes straight from the supply line, while a self-contained macerating unit adds a small pump that grinds waste and pushes it to a distant stack. Both are the real space-savers, and a macerator lets you add a bathroom where no gravity drain exists.
Corner Model
A corner toilet uses a triangular tank that tucks into a 90-degree angle. It frees the center of the room and puts otherwise dead corner space to work. It suits an oddly shaped powder room, but the drain has to be located for that corner geometry.
Wall-Mounted
A wall-mounted toilet hangs the bowl off the floor and hides the tank in the wall on a steel carrier. It saves the most floor space and makes mopping easy, but it costs more and means opening up the wall, so it is a remodel decision rather than a quick swap.
Consider These Buying Factors
Choosing a compact toilet comes down to balancing footprint against everyday usability. Keep these criteria in mind as you narrow the field:
Set a Budget
Compact models are treated as specialty items, so they often cost a bit more than a standard builder-grade unit from the same brand. A self-contained macerating toilet sits well above either, since you are paying for the pump. Decide on your ceiling early to filter the field.
Eco-Friendliness
Look for the EPA WaterSense label, which certifies the toilet uses 1.28 gallons per flush or less while still passing a flush-performance test. Dual flush toilets add a lighter setting (often around 1.0 GPF) for liquid waste, which trims water use further in a busy household.
Consider Your Space
Mark the toilet’s footprint on the floor with painter’s tape before you buy. It is the quickest way to spot where a door, drawer, or cabinet will clash. If you lack a standard drain line, macerating toilets pump waste up or sideways, so you can put a bathroom almost anywhere.
Keep It Stylish
This fixture stays for years, so looks matter. A two-piece model fits a traditional or farmhouse room, a skirted one-piece reads clean and contemporary, and a wall-mounted bowl is the most minimalist of all. Match the toilet to the rest of the bathroom rather than picking on size alone.
Product Reviews
We compared the current market on the factors that actually decide a small-bathroom toilet: flush power per gallon, footprint and projection, rough-in fit, seat height, and what owners report after a year of use. These seven best compact toilets for small bathrooms came out on top.
HOROW T0338W Compact One-Piece Toilet
Best Dual-Flush Compact Toilet
The HOROW T0338W is the dual-flush pick for anyone who wants real water control in a small footprint. The two-button valve gives you a 1.1 gallon flush for liquids and a 1.6 gallon flush for solids, and the bowl earns the EPA WaterSense label, so you are not trading performance for the savings. At 26.6 inches deep, it is short enough for a tight powder room while keeping an elongated bowl most people find more comfortable than a round one.
It is a one-piece, fully glazed design with a 17.3 inch ADA chair-height seat, which makes sitting and standing easier for taller users and anyone with sore knees. The soft-close seat is included, and HOROW sells matching 10-inch and 12-inch rough-in versions, so confirm which one fits your drain before you order.
What We Like
Genuine Dual-Flush Control
The 1.1/1.6 GPF buttons let a busy household lean on the light flush for most trips, which is where dual-flush actually saves water. The lower setting still clears the elongated bowl thanks to a fully glazed 2-inch trapway.
Compact but Comfortable
A 26.6-inch projection fits a small room, yet the elongated bowl and 17.3-inch seat avoid the cramped feel of a round compact unit. It is a rare combination at this size.
Easy Cleaning and Install
The one-piece body wipes down in seconds with no tank-to-bowl seam to scrub. Large side access holes make setting it on the bolts straightforward for a confident DIYer.
What We Don't Like
Match the Rough-In Carefully
The 10-inch and 12-inch versions are separate models, so order the one that matches your drain. Buying the wrong rough-in is the most common return reason for compact toilets.
Plastic Seat
The included seat is functional but plastic, and it can feel cold in winter. Owners who want a heavier seat tend to swap it later.
Newer Brand
HOROW is a value-focused online brand rather than a legacy name, so parts and service run through the manufacturer rather than a big-box plumbing aisle. The warranty is 1-year limited.
Product Specs
| Weight (pounds) | 84 |
| Dimensions (inches) | 26.6 x 15 x 26 |
| Comfort height (inches) | 17.3 |
| Type of flush | Dual (1.1/1.6 GPF) |
| Style | One-piece |
| Certification | EPA WaterSense |
| Warranty | 1-year limited |
Our Ratings
Kohler K-3999-0 Highline Comfort Height Toilet
Best Comfort Height Compact Toilet
If knee pain or mobility is the deciding factor, the Kohler Highline is the safe call. The seat sits at “Comfort Height,” roughly 17 inches off the floor, close to a standard dining chair, which makes sitting and standing noticeably easier than a low traditional bowl. It is a familiar, long-running model, so replacement flappers and fill valves are easy to find at any hardware store.
Kohler pairs it with a Class Five canister flush valve that feeds water from a full 360 degrees, giving a strong flush at 1.28 gallons. That earns it WaterSense certification. It is a two-piece unit, so it is heavier to position than a one-piece but simpler to service down the line.
What We Like
Canister Flush Valve
The Class Five canister replaces the old flapper and releases water around the full rim, which clears the bowl reliably and resists the slow leaks flappers are known for.
Proven Parts Availability
Because the Highline has been made for years, internal parts are stocked everywhere. That matters more than it sounds: a 10-year-old toilet you cannot get a fill valve for becomes a replacement.
Accessible Height
The taller rim suits seniors, tall adults, and anyone who finds low toilets hard to use, a comfort edge most compact toilets give up.
What We Don't Like
Standard Rough-In Only
It needs a standard 12-inch rough-in and will not fit a 10-inch older home. Measure before you buy.
Seat Sold Separately
Kohler ships this bowl without a seat, so budget for a matching one. It is an easy add but an extra line on the bill.
Larger Footprint
This is the least compact pick here. It is space-efficient for a comfort-height two-piece, but a true tiny powder room may want a shorter projection.
Product Specs
| Weight (pounds) | 93 |
| Dimensions (inches) | 29.5 x 18 x 31.25 |
| Comfort height (inches) | 17 |
| Type of flush | Single (1.28 GPF) |
| Style | Two-piece |
| Certification | EPA WaterSense |
| Warranty | 1-year limited |
Our Ratings
DeerValley Compact One-Piece Toilet
Best One-Piece Compact Toilet
DeerValley builds a fully skirted one-piece toilet that looks far more expensive than it is, which is why it takes the one-piece slot. The smooth skirted sides hide the trapway, so the exterior is one flat surface with no winding pipe to dust, and the single-casting tank-to-bowl design removes the usual leak-prone gasket. At a 24.5-inch projection it is genuinely compact, with a round-front bowl that keeps it short.
It runs a 1.1/1.6 GPF dual-flush system and includes a soft-close seat in the box, along with the wax ring, bolts, and a wrench, so you are not making a second hardware run. It uses a standard 12-inch rough-in and is rated for users up to 250 pounds.
What We Like
Skirted Look for Less
A fully skirted one-piece usually means a designer price. DeerValley delivers the flat, easy-wipe profile at the budget end of the category, which is the whole appeal for a small-bath refresh.
Short Projection
At 24.5 inches deep it reclaims real legroom in front of the bowl, useful when the toilet sits opposite a door or a vanity.
Complete Install Kit
The box includes the soft-close seat, pre-installed valves, wax ring, bolts, and wrench, so a handy owner can finish the swap in an afternoon without extra parts.
What We Don't Like
Round Bowl
This model uses a round-front bowl to stay short, so it does not have the extra seating depth of an elongated unit. Buyers who want elongated comfort should size up.
Lighter-Duty Seat
Owners note the included plastic seat is on the thin side. It closes softly and works, but it is the first thing some people upgrade.
Skirted Install Is Fiddly
Skirted toilets hide the floor bolts, so lining the unit up over the flange takes patience and ideally a second pair of hands. Inspect the china for hairline cracks before you set it.
Product Specs
| Weight (pounds) | 88 |
| Dimensions (inches) | 24.5 x 13.4 x 28.4 |
| Comfort height (inches) | Standard |
| Type of flush | Dual (1.1/1.6 GPF) |
| Style | One-piece, skirted |
| Rough-in | 12 inches |
| Warranty | 1-year limited |
Our Ratings
Gerber Viper Force Compact Elongated Two-Piece Toilet
Best Two-Piece Compact Toilet
The Gerber Viper Force is the two-piece pick because it brings commercial-grade flush hardware down to a compact home bowl. Gerber is a long-standing plumbing brand, and the Viper line is a favorite of trade plumbers for clearing the bowl without drama. This compact version keeps an elongated bowl at an ADA chair height, so it fits a small room while staying comfortable.
It flushes at 1.28 gallons with a 3-inch flush valve and a Fluidmaster 400A fill valve, a parts combo any plumber can service in minutes. Unusually for the price, the box includes the soft-close seat, wax ring, and install kit, so it is ready to set the day it arrives. The two-piece build also keeps each part light enough for one person to carry in.
What We Like
Strong, Serviceable Flush
The 3-inch valve and rim-jet design move a lot of water fast at 1.28 GPF, and the Fluidmaster 400A guts are the most replaceable parts in plumbing, so this toilet stays easy to maintain for years.
Compact Elongated Comfort
It pairs an elongated bowl with a compact tank and ADA chair height, giving full-size seating in a small-bathroom footprint.
Everything in the Box
The included soft-close seat, wax ring, and bolts mean no extra hardware trip, which is rare at this price and a real time saver on install day.
What We Don't Like
Snug Seat
Several owners find the included seat narrower than the bowl and a bit hard, so larger users may prefer to swap it for a wider one.
Two-Piece Seam
The separate tank means a gasket and exposed bolts to clean around, and it reads more traditional than a skirted one-piece, which may not suit an ultra-modern room.
Tall for Some
The chair height that helps most adults can feel high for shorter users or children, whose feet may not rest flat on the floor.
Product Specs
| Weight (pounds) | 84 |
| Dimensions (inches) | 28.4 x 15.8 x 30.8 |
| Comfort height (inches) | ADA chair height |
| Type of flush | Single (1.28 GPF) |
| Style | Two-piece |
| Rough-in | 12 inches |
| Warranty | 1-year limited |
Our Ratings
Saniflo Sanicompact 4C Self-Contained Macerating Toilet
Best Self-Contained Compact Toilet
The Saniflo Sanicompact 4C solves the problem no gravity toilet can: a bathroom where there is no drain in the floor. It is a self-contained unit with a macerator and pump built into the base, so it grinds waste and pumps it up to 9 feet vertically or 120 feet horizontally to reach your main stack. That lets you add a half-bath in a basement, an attic, or a closet under the stairs without breaking concrete. It is the current model in Saniflo’s Sanicompact line and runs a 1/2 HP macerator pump.
Because there is no tank, it sits close to the wall and stays compact. It connects to your water line and a standard outlet, flushes on a timed push button, and includes a soft-close seat. The 4C runs a dual flush at 1.0 and 1.28 gallons and is CSA-certified to North American plumbing codes.
What We Like
Install Almost Anywhere
The built-in macerator pumps waste up or sideways, so you can put a toilet where no gravity drain exists. That avoids the cost of tearing up a slab or rerouting drain lines.
True Tankless Footprint
With no tank, the unit hugs the wall and frees up space a standard toilet cannot. It is the most space-efficient way to add a working bathroom.
Self-Contained Macerator
The 4C pairs a 1/2 HP macerator with a tankless, self-contained body, so a single unit grinds and pumps waste while keeping the low dual-flush water use of a modern compact toilet.
What We Don't Like
Needs Electricity
The pump runs on power, so a blackout means no flush. It is a real limitation for a sole bathroom in an outage-prone area.
Audible Macerator
Grinding and pumping make a brief humming noise on each flush that a gravity toilet does not, which owners notice most at night.
Treat It Carefully
A macerator only handles human waste and toilet paper. Wipes, sanitary products, and heavy foaming cleaners can jam or foul it, so it is best as a secondary bathroom rather than a high-traffic main one.
Product Specs
| Weight (pounds) | 60 |
| Dimensions (inches) | 16.5 x 14.5 x 18.25 |
| Comfort height (inches) | Standard |
| Type of flush | Dual (1.0/1.28 GPF) |
| Style | Tankless, self-contained macerator |
| Pump | 1/2 HP, 115V |
| Warranty | 2-year limited |
Our Ratings
Troyt Corner 2-Piece Toilet
Best Corner Compact Toilet
Sometimes the only place a toilet fits is the corner, and that is exactly the job this Troyt-style unit (now sold by Renovators Supply) is built for. Its pentagonal tank tucks into a 90-degree angle so the bowl projects less into the room, opening up the center of a tiny bathroom. It is a practical layout fix rather than a style statement.
It is a heavy-duty vitreous-china, two-piece unit with a dual flush at 0.8 and 1.6 gallons and a slow-close seat included. It uses a standard 12-inch rough-in measured to the corner, and it carries the WaterSense label for its low flush volume.
What We Like
Reclaims Dead Corner Space
By living in the corner, it frees the wall runs for a sink or towel storage. For a genuinely tiny room, that layout gain is worth more than any feature on a conventional bowl.
Low Light-Flush Volume
The 0.8 GPF liquid setting is among the most water-thrifty here, and the 1.6 GPF full flush handles solids. Over a year that adds up in a household that uses the light flush often.
Seat Included
A slow-close seat comes in the box, so the corner unit is ready to use without a separate purchase.
What We Don't Like
Corner Rough-In Is Specific
Corner toilets need the drain placed for the diagonal geometry, so confirm your plumbing lines up before ordering. Retrofitting a corner drain is not trivial.
Round Bowl
To minimize projection it uses a round bowl, which gives up some seating depth versus an elongated model.
Check the Box Contents
Owners report the floor bolts and wax ring are not always included, so plan to pick up install hardware just in case.
Product Specs
| Weight (pounds) | 38.6 |
| Dimensions (inches) | 29 x 17.25 x 30 |
| Comfort height (inches) | Not stated |
| Type of flush | Dual (0.8/1.6 GPF) |
| Style | Two-piece, corner |
| Certification | WaterSense |
| Warranty | 1-year |
Our Ratings
Swiss Madison Forever SM-1T257 Sublime One-Piece Toilet
Most Stylish Compact Toilet
The Swiss Madison Sublime II is the pick when the bathroom is the showpiece. Its smooth one-piece body and fully skirted sides give it a sculpted, almost furniture-like look that suits a modern remodel. It is compact enough to fit a small alcove where a designer toilet would feel too bulky, so you get the high-end profile without the full-size footprint.
It uses a gravity-fed dual flush at 1.1 and 1.6 gallons and includes a quick-release soft-close seat that pops off without tools for cleaning. It is a 12-inch rough-in, one-piece unit aimed squarely at looks first, with solid everyday function behind it.
What We Like
Designer Looks
The clean lines and skirted trapway give a spa-bathroom feel that few compact toilets match. If the room is meant to impress, this is the one.
Quick-Release Seat
The seat unclips in seconds, so you can actually clean around the bolt area instead of working around it. It is a small feature that pays off every week.
Fits Tight Alcoves
It keeps a compact footprint, so the designer profile slots into small spaces that would swallow a larger statement toilet.
What We Don't Like
Smaller Seat Opening
The round, compact bowl means a tighter seat than a full elongated model, which some users find less comfortable for longer sits.
Flush Is Adequate, Not Strong
The gravity dual flush is fine for a low-traffic powder room but is not the bowl-clearing powerhouse of the Gerber or Kohler, reflected in its functionality score.
Skirted Install
Like other skirted designs, the hidden bolts make alignment fiddly, so it helps to have a second person when setting it.
Product Specs
| Weight (pounds) | 89 |
| Dimensions (inches) | 24 x 13.75 x 28.5 |
| Comfort height (inches) | 17 |
| Type of flush | Dual (1.1/1.6 GPF) |
| Style | One-piece, skirted |
| Rough-in | 12 inches |
| Warranty | 1-year |
Our Ratings
| Product | Best | Weight | Dimensions | Comfort height | Type of flush | Style | Warranty |
| HOROW T0338W One-Piece Toilet | Dual-Flush | 84 lbs | 26.6 x 15 x 26″ | 17.3″ | Dual | One-piece | 1-year |
| Kohler K-3999-0 Highline Toilet | Comfort Height | 93 lbs | 29.5 x 18 x 31.25″ | 17″ | Single | Two-piece | 1-year |
| DeerValley Compact One-Piece Toilet | One-Piece | 88 lbs | 24.5 x 13.4 x 28.4″ | Standard | Dual | One-piece | 1-year |
| Gerber Viper Force Two-Piece Toilet | Two-Piece | 84 lbs | 28.4 x 15.8 x 30.8″ | ADA chair | Single | Two-piece | 1-year |
| Saniflo Sanicompact 4C Toilet | Self-Contained | 60 lbs | 16.5 x 14.5 x 18.25″ | Standard | Dual | Tankless macerator | 2-year |
| Troyt Corner 2-Piece Toilet | Corner Toilet | 38.6 lbs | 29 x 17.25 x 30″ | N/A | Dual | Two-piece | 1-year |
| Swiss Madison Forever Sublime Toilet | Stylish | 89 lbs | 24 x 13.75 x 28.5″ | 17″ | Dual | One-piece | 1-year |
Maximize Your Small Bathroom Layout
A compact toilet is one piece of the puzzle. A few more layout choices can make even a tiny powder room feel and function like a full bath.
Fit a Corner Sink
A corner sink works the same trick as a corner toilet: it tucks the basin into the angle of the room so the center floor stays open for movement and door clearance. Pair it with a corner toilet to keep both fixtures out of the walking path.
Swap Your Bathtub for a Shower
Bathtubs take up a lot of floor. If you rarely soak, replacing the tub with a shower enclosure gains real square footage and usually trims your water use. A curbless shower also makes a small room feel more open.
Install Vertical Shelves
When floor space is tight, build up. Shelving high on the wall or above the tank stores towels and toiletries without adding a tripping hazard at floor level.
Choose a Sliding Shower Door
A swing door needs clear floor to open into, which a small room often does not have. A sliding glass door or a curtain stays within the shower footprint, freeing you to place the toilet and sink closer.
Choose a Folding or Pocket Door
The entry door is often the biggest obstacle. A bi-fold or pocket door tucks away when open, so you do not have to leave a wide arc of clear floor just to walk in.
Get a Vanity Unit
A pedestal sink looks tidy but offers no storage. A sink with a vanity cabinet hides the plumbing and gives you a place to stash cleaning supplies and spare paper.
Swap the Mirror for a Cabinet
A mirrored medicine cabinet does the job of a flat mirror and adds recessed or surface storage. It keeps clutter off the sink and medication up out of reach.
Use Door-Mounted Towel Racks
When you are out of wall space, use the back of the door. Over-the-door hooks or racks dry towels without claiming any wall real estate.
FAQs
What Is a Comfort Height Toilet?
Comfort height toilets have a seat 17 to 19 inches off the floor, close to a dining chair. They make sitting and standing easier, which suits taller adults, seniors, and anyone with knee or hip issues. A standard-height bowl sits around 15 inches.
Do Corner Toilets Save Space?
Yes. A corner toilet uses the dead 90-degree corner that a standard bowl cannot reach, which opens up the center floor and improves traffic flow in a very small bathroom. The trade-off is that the drain has to be placed for the corner geometry.
Is a One-Piece Toilet Better Than a Two-Piece?
It depends on your priorities. A one-piece is sleeker, easier to clean, and has no tank-to-bowl gasket to leak. A two-piece costs less, is lighter to carry in pieces, and offers more height and bowl-shape options. Both can flush equally well.
How Much Space Do You Need Around a Compact Toilet?
Most codes require at least 15 inches from the center of the bowl to any wall or fixture on each side, and about 21 inches of clear space in front. Compact models keep the bowl shorter front-to-back, but they do not change these side-clearance rules.
What Size Is a Compact Elongated Toilet?
A compact elongated toilet usually projects about 26 to 28 inches from the wall. It uses a slimmer tank and bowl so you get elongated seating in roughly the floor space of a round-front bowl, a good balance of comfort and footprint.
Is a Tall or Short Toilet Better?
A comfort-height bowl (17 to 19 inches) is easier for most adults, seniors, and anyone with mobility issues. A standard-height bowl (14 to 15 inches) suits children and shorter users because their feet rest flat on the floor. Choose for whoever uses the room most.
What Is the Smallest a Compact Toilet Can Be?
The shortest floor-mounted models project about 24 to 25 inches and run around 13.5 inches wide. A self-contained macerating unit can sit even closer to the wall, and a wall-mounted bowl saves the most floor space but needs an in-wall carrier.
What Type of Toilet Is Best for a Small Bathroom?
For most small bathrooms, a compact elongated one-piece gives the best mix of footprint, comfort, and easy cleaning. A corner unit wins in an awkward layout, and a macerating toilet is the answer when there is no gravity drain to tie into.
What Does Rough-in Mean?
Rough-in is the distance from the finished wall behind the toilet to the center of the drain in the floor. The standard is 12 inches, but older homes may be 10 or 14 inches. Measure yours and buy a toilet made for that distance, since most compact models are 12-inch only.
