Shoe molding comes in a limited number of standard sizes, but the exact dimensions can vary slightly between manufacturers and materials. Knowing the common sizes and profile shapes will help you select the right piece for your project and ensure a clean match if you are adding to existing trim.
| Size | Width | Height | Common Use |
|---|---|---|---|
| Standard | 7/16" | 11/16" | Most residential applications |
| Common alternate | 1/2" | 3/4" | Slightly larger, easy to find |
| Small | 5/16" | 1/2" | Low-profile, minimal trim look |
| Large | 9/16" | 7/8" | Taller baseboards, bigger gaps |
The most common shoe molding sold at home improvement stores is the 7/16" x 11/16" size. This fits well with standard 3-1/4" and 5-1/4" baseboards. Lengths are typically sold in 8-foot pieces, though some stores carry 12-foot and 16-foot lengths as well.
The classic shoe molding profile is a gentle, asymmetric curve — flat on the back and bottom surfaces (which sit against the baseboard and floor), with a smooth rounded face. Some manufacturers offer slight variations:
If you are matching existing shoe molding, remove a small section and bring it to the store. Measure the width (how far it extends from the baseboard onto the floor) and the height (how high it rises up the face of the baseboard). Check the profile shape carefully — two pieces with the same dimensions can look very different if the profile curves differently.
For new installations, consider the size of the gap you need to cover. Measure the largest gap between your baseboard and floor anywhere in the room, and choose a shoe molding size that will comfortably cover it. It is better to go slightly larger than to end up with a piece that does not quite cover the gap.