*PLUMBERSSTOCK EXPERT* responded:
Hi, there. Thank you for your interest in our Mansfield SB-100 toilet seat. The dimensions of this toilet seat are 14-1/8"(width) x 16- 1/2" (length). The width of the toilet seat's hole is 8-1/2". This will fit a toilet with the standard measurement of 5-1/2" between the centers of the mounting holes for the toilet seat . For additional information, you can refer to this data sheet or you can contact us via E-mail @ support.plumbersstock.com or call our customer service representatives @ 435-868-4020. If you are looking for more toilet designs, please refer to this list and explore a wide variety of toilet seats we have for you. If you are interested in one of our products, don't hesitate to click Add to Cart, enter your zip code and you're all good to go. Thank you and have a great day shopping!