Ring Size Chart

For simple step-by-step instructions on how to determine your ring size, just click here!

Ring Size	Diameter (mm)	Diameter (cm)	Diameter (inches)	Circ. (mm)	Circ. (cm)	Circ. (inches)
4	14.8 mm	1.48 cm	0.58 in	46.5 mm	4.65 cm	1.83 in
4.5	15.2 mm	1.52 cm	0.60 in	47.8 mm	4.78 cm	1.88 in
5	15.7 mm	1.57 cm	0.62 in	49.3 mm	4.93 cm	1.94 in
5.5	16.1 mm	1.61 cm	0.63 in	50.6 mm	5.06 cm	1.99 in
6	16.5 mm	1.65 cm	0.65 in	51.9 mm	5.19 cm	2.04 in
6.5	16.9 mm	1.69 cm	0.67 in	53.1 mm	5.31 cm	2.09 in
7	17.3 mm	1.73 cm	0.68 in	54.4 mm	5.44 cm	2.14 in
7.5	17.7 mm	1.77 cm	0.70 in	55.7 mm	5.57 cm	2.19 in
8	18.1 mm	1.81 cm	0.71 in	57.0 mm	5.70 cm	2.24 in
8.5	18.5 mm	1.85 cm	0.73 in	58.3 mm	5.83 cm	2.29 in
9	18.9 mm	1.89 cm	0.74 in	59.5 mm	5.95 cm	2.34 in
9.5	19.4 mm	1.94 cm	0.76 in	61.1 mm	6.11 cm	2.41 in
10	19.8 mm	1.98 cm	0.78 in	62.4 mm	6.24 cm	2.46 in
10.5	20.2 mm	2.02 cm	0.80 in	63.7 mm	6.37 cm	2.51 in
11	20.6 mm	2.06 cm	0.81 in	64.9 mm	6.49 cm	2.56 in
11.5	21.0 mm	2.10 cm	0.83 in	66.2 mm	6.62 cm	2.61 in
12	21.4 mm	2.14 cm	0.84 in	67.5 mm	6.75 cm	2.66 in
12.5	21.8 mm	2.18 cm	0.86 in	68.8 mm	6.88 cm	2.71 in
13	22.2 mm	2.22 cm	0.87 in	70.0 mm	7.00 cm	2.76 in
13.5	22.6 mm	2.26 cm	0.89 in	71.3 mm	7.13 cm	2.81 in
14	23.0 mm	2.30 cm	0.91 in	72.6 mm	7.26 cm	2.86 in
14.5	23.4 mm	2.34 cm	0.92 in	73.9 mm	7.39 cm	2.91 in
15	23.8 mm	2.38 cm	0.94 in	75.1 mm	7.51 cm	2.96 in

Diameter vs. Circumference:

• Diameter is the distance across the ring, measured straight through the center.
• Circumference is the total distance around the ring