Whilst we aim to provide standard US sizes, the exact measurements may differ slightly from design to design.
Please see below for the exact edge-to-edge diameter sizing:
Size 4: 14.9 mm (0.59 inches)
Size 5: 15.7 mm (0.62 inches)
Size 6: 16.5 mm (0.65 inches)
Size 7: 17.3 mm (0.68 inches)
Size 8: 18.1 mm (0.71 inches)
Size 9: 19.0 mm (0.75 inches)
Size 10: 19.8 mm (0.78 inches)
Need more help with size? Check out the size guide.