How to fit toilet seats

Updated April 17, 2017

You can fit a new toilet seat with a few simple tools. You'll need to install a new toilet seat when changing the decor of a bathroom, or if the current toilet seat is old or cracked. There is a wide selection of toilet seats available in many different styles and colours to fit any bathroom decor These include a variety of colours and textures, such as wood or plastic, and even padded seats. Make sure to measure the current seat so you get the replacement in the correct size.

Measure the size of the current toilet seat from front to back. If there is no toilet seat, measure the size of the rim. Standard American toilet seats are approximately 16-17 inches and elongated seats are about 18-19 inches.

Locate a replacement that is either the standard or elongated size to fit the rim of the toilet.

Remove the current toilet seat by snapping the plastic or metal covers off the bolts and unscrewing the bolts or screws. This may require using pliers or a screwdriver to hold the nut under the rim and keep it from turning

Place the new seat and seat cover in place and fit the anchor bolts through the holes.

Screw the nuts onto the bolts on the underside of the rim by hand, then tighten them with a wrench till they are snug. Be careful not to tighten them too much.

Things You'll Need

  • Measuring tape
  • Flat head screwdriver
  • Wrench
  • Pliers
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About the Author

Heather Lindsay is a stained glass artist who holds a master's degree in library science, a bachelor's degree in anthropology with a minor in art, and has enjoyed working in special libraries with photograph collections.