Toilet Seat Size Guide
What Size Do I Need?
Toilet seats come in two dierent sizes:
• Round (Typically measures 16.5”)
• Elongated (Typically measures 18.5”)
How Do I Measure My Bowl?
Measuring is simple.
from the front of the toilet bowl to
the center of the mounting holes .
®
, American Standard
®
, Toto, Crane
®
and all other
leading toilet manufacturers’ bowls.
18.5"
ELONGATED
ROUND
16.5"
®

Summary of content (1 pages)