Ring Sizing Guide
For the most accurate sizing, we recommend purchasing a Reusable Ring Sizer from our shop! Getting the right fit is especially important for ring splints. Shipping is Free!

Click Here to Purchase: Reusable Ring Sizer
Measuring Without a Ring Sizer
No ring sizer? No problem. Watch our short video below, or follow the written steps underneath it.
Watch on YouTube: How to find your ring size without a ring sizer
Finding the right ring size is essential for a comfortable fit, especially for ring splints. Follow the steps below to measure your finger accurately:
- Wrap a thin strip of paper or string around the base of your finger.
- Mark where the paper or string overlaps.
- Measure the length in millimeters.
- Use the chart below to find your ring size.
Ring Size Chart
| US Size | Circumference (mm) | US Size | Circumference (mm) |
|---|---|---|---|
| 0 | 36.25mm | 7 | 54.3mm |
| 0.5 | 37.6mm | 7.5 | 55.6mm |
| 1 | 39.1mm | 8 | 57.2mm |
| 1.5 | 40.4mm | 8.5 | 58.4mm |
| 2 | 41.6mm | 9 | 59.7mm |
| 2.5 | 42.9mm | 9.5 | 60.9mm |
| 3 | 44.0mm | 10 | 62.2mm |
| 3.5 | 45.2mm | 10.5 | 63.5mm |
| 4 | 46.5mm | 11 | 64.7mm |
| 4.5 | 47.8mm | 11.5 | 66.0mm |
| 5 | 49.0mm | 12 | 67.2mm |
| 5.5 | 50.3mm | 12.5 | 68.5mm |
| 6 | 51.7mm | 13 | 69.7mm |
| 6.5 | 53.1mm |
Not sure? We recommend sizing up if you're between sizes, as fingers can swell throughout the day.