When it comes to raised toilet seats, one of the most common questions is whether or not they are universally compatible with all toilets. The short answer is no, not all raised toilet seats fit every toilet. However, most raised seats are designed to fit a standard round toilet bowl shape and size. There are a few factors that determine compatibility.
Page Contents
Toilet Bowl Shape
The most important factor in toilet seat compatibility is the shape of the toilet bowl. Most residential toilets have a round bowl shape. As long as the bowl is rounded, most raised toilet seats will be able to fit it. However, some toilets have an elongated bowl shape. This oval shape is longer than a round bowl. Most raised seats can accommodate an elongated shape, but it’s important to verify before purchasing.
Toilet Bowl Size
Along with the bowl shape, the dimensions of the bowl itself must be considered. Most standard residential toilets have a bowl size of 14″ to 15″ from front to back. Some bowls may be more elongated at 16″ to 18″ long. As long as the raised seat is designed for standard or elongated toilet bowls within this size range, it should fit most toilets. However, if you have a toilet with unusually small or large bowl dimensions, you may need a custom-fit raised seat.
Attachment Method
The way the raised toilet seat attaches to the bowl is also a factor in fit. There are two main options:
- Clip-on: These seats have clips that attach over the edges of the toilet bowl without tools. They fit a range of bowl sizes and are easy to install, but may feel less sturdy.
- Bolt-on: These seats use bolts that go through the bottom of the toilet bowl and attach with nuts and washers. They feel very secure, but require drilling into the porcelain.
Clip-on seats are more universally compatible, while bolt-on seats work best if you can drill holes to match the bolt positions. Some seats come with both clip and bolt options.
Toilet Brand
While most raised toilet seats are made to fit standard residential toilet bowls, some toilet brands may have unique shapes or features that impact compatibility. For example, Kohler elongated toilets have an unusual contoured shape. Always check the specific measurements of your toilet bowl if you have an uncommon brand or model.
Consider a Custom Fit
If you have an oddly shaped, sized, or styled toilet, a custom fit raised seat may be needed. These are designed to your toilet’s precise specifications. Just measure your bowl dimensions and features to find one made to fit.
Tips for Getting a Good Fit
Here are some tips to ensure you get a raised toilet seat that fits your toilet properly:
- Measure the length, width, shape and features of your exact toilet bowl
- Check the manufacturer’s sizing guidelines for the raised seat
- Look for adjustable or versatile attachment styles like clip/bolt combo seats
- Try a temporary clip-on seat first to test the fit, before installing a permanent bolt-on seat
- Buy from places with good return policies in case you need to swap it out
- Consider hiring a handyman to install a custom-fit seat if you have an unusual toilet
Standard Round vs. Elongated Toilets
Here is a comparison of some key differences between standard round and elongated toilet bowls:
| Shape | Round | Elongated |
|---|---|---|
| Front-to-Back Length | 14″ – 15″ | 16″ – 18″ |
| Bowl Length | Shorter | Longer |
| Seat Shape | Round | Oval |
| Comfort | Less room | More room |
| Fit with Raised Seat | Universal | Ensure Elongated |
Measuring Toilet Bowl Dimensions
Follow these instructions to measure your toilet bowl dimensions:
- Use a soft measuring tape
- Measure from the front of the bowl to the back
- Measure the width at the widest side-to-side points
- Note the shape – round, elongated, specialty contour, etc.
- Look for any unusual bumps, curves, or details
- Write down all measurements and descriptions
Having detailed toilet bowl dimensions will ensure you get an accurately fitting raised seat.
Raised Toilet Seat Options
There are a few main options when shopping for raised toilet seats:
Standard Raised Seats
- 2″ – 4″ of added height
- Designed for round or elongated bowls
- Sturdy plastic construction
- Clip-on or bolt-on installation
- Basic model with minimal features
- Very affordable, usually under $30
Deluxe Raised Seats
- 3″ – 5″ of added height
- Elongated shape for comfort
- Padded seat and lid
- Specialty foam or gel padding
- Lift-off hinges for cleaning
- Luxury models with more features
- Mid-range pricing from $30 – $150
Bariatric Raised Seats
- Up to 8″ of added height
- Designed for larger individuals
- Heavy-duty steel frame
- Higher weight capacities up to 1200 lbs
- Larger dimensions and elongated shape
- Higher end features
- Pricing from $150 up to $500
Custom Raised Seats
- Made-to-order based on your toilet specs
- Helpful for oddly shaped bowls
- Choose your own height, size, features
- Often bolt-on installation
- Very secure fit
- Higher price for customization, $200+
Installation Tips
Here are some tips for properly installing a raised toilet seat:
- Read all manufacturer instructions
- Clean toilet bowl completely and dry before installing
- For bolt-on seats, use silicone sealant under washers
- Alternate tightening bolts gradually to evenly clamp
- Don’t over-tighten bolts or clips
- Test for stability by pressing down firmly on seat
- Consider using plumber’s tape on bolt threads for extra security
Taking the time to correctly install your raised toilet seat will give you the best fit and performance.
Troubleshooting Problems
If you encounter any problems with your raised toilet seat, try these troubleshooting tips:
| Problem | Solution |
|---|---|
| Rocking or unstable | Tighten bolts or clip-on clamps |
| Leaking from bolts | Use silicone washers or plumber’s tape |
| Splits or cracks | Replace seat |
| Difficulty clipping on | Loosen clips and realign bowl position |
| Pinching at front | Sand or file edge if bowl contact area |
| Seat feels loose | Upgrade to bolt-on seat instead of clip-on |
Conclusion
Finding the right raised toilet seat to fit your toilet bowl may take some measuring and comparison shopping to get just the right shape, height, and fit. While universal round models work for most toilets, special sizing or custom fittings can help create a more tailored solution. With the right measurements and installation, a raised seat can be a simple bathroom upgrade that makes using the facilities much more convenient.