Find complete and accurate information about US ring sizes, sizing tips, band dimensions, and common ring band profile options. Learn how to measure your finger or an existing ring, and compare common ring dimensions in millimeters (mm) to see what would best suit your needs.
Print at 100% scale for an accurate 1:1 visual reference. Verify accuracy by measuring the calibration bars at the bottom with a ruler.
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Guaranteed Perfect Size & Style Service
Once you’ve determined your approximate size—whether by measuring at home or in-store—we recommend our in-advance ring confirmation service. Confirm just your perfect fit, or try on a 1:1 plastic replica of your chosen ring to verify both style and exact dimensions before we begin crafting your ring in precious metal.