Conversion · India to Europe

Indian to EU / ISO 8653 ring sizes.

Indian 16 = EU / ISO 8653 55 17.54 mm across · 55.1 mm around

Both scales describe the same physical ring. The EU size is simply the inner circumference in millimetres, so the conversion is the measurement itself.

Indian	EU / ISO 8653	Diameter	Circumference
1	outside range	13.30 mm	41.8 mm
2	outside range	13.58 mm	42.7 mm
3	44	13.87 mm	43.6 mm
4	44	14.15 mm	44.4 mm
5	45	14.43 mm	45.3 mm
6	46	14.71 mm	46.2 mm
7	47	15.00 mm	47.1 mm
8	48	15.28 mm	48.0 mm
9	49	15.56 mm	48.9 mm
10	50	15.84 mm	49.8 mm
11	51	16.13 mm	50.7 mm
12	52	16.41 mm	51.5 mm
13	52	16.69 mm	52.4 mm
14	53	16.97 mm	53.3 mm
15	54	17.26 mm	54.2 mm
16	55	17.54 mm	55.1 mm
17	56	17.82 mm	56.0 mm
18	57	18.10 mm	56.9 mm
19	58	18.39 mm	57.8 mm
20	59	18.67 mm	58.6 mm
21	60	18.95 mm	59.5 mm
22	60	19.23 mm	60.4 mm
23	61	19.52 mm	61.3 mm
24	62	19.80 mm	62.2 mm
25	63	20.08 mm	63.1 mm
26	64	20.36 mm	64.0 mm
27	65	20.65 mm	64.9 mm
28	66	20.93 mm	65.8 mm
29	67	21.21 mm	66.6 mm
30	68	21.49 mm	67.5 mm

Measure in the evening — fingers swell through the day and in heat — and let your jeweller's own chart take precedence over this one. How to measure at home →