Choose the right ring before ordering
The inner diameter determines whether a curtain ring fits over your rod. The outer diameter is the ring’s complete edge-to-edge measurement.
| Outer diameter | Inner diameter | Suggested use |
|---|---|---|
| 2 inches | 1.25 inches | For slim rods; measure carefully before ordering |
| 2.5 inches | 1.75 inches | Versatile everyday size for many standard rods |
| 3 inches | 2.2 inches | For thicker rods or extra sliding clearance |
| 3.5 inches | 2.7 inches | For large-diameter rods and oversized hardware |
How to measure
- Measure straight across the widest part of the curtain rod.
- Choose an inner diameter larger than the rod measurement.
- Check fixed brackets, caps or hardware that the ring must pass over.
- Select the pack quantity required for your curtain width and spacing.
Important: Rod styles and installations differ. The guide helps compare measurements but does not guarantee compatibility with every rod system.