Discover Your Perfect Ring Size at Home

Already know your ring size, but your favorite jeweler works with different ring size scale? Download the table below to find your ring size in the desired scale

SIZE GUIDE

On-Screen Ring Sizer

Step 1: Calibrate with a Card

Place your card vertically on the screen. Adjust the slider until the graphic matches your card on every edge.

Place your card horizontally on the screen. Adjust the slider until the graphic matches your card on every edge.

CREDIT CARD

Scale: 100%

Turn off browser zoom for an accurate reading.

Ring Size Converter

Convert your ring size to US and international scales.

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Ring size

Select a country to view sizes

Your size will appear here

Select a country and ring size, or enter a measurement.

Ring Size Chart

Compare ring sizes across international scales.

Inside Diameter (mm)	United States & Canada	Europe	UK, Australia & South Africa	India	China	Singapore & Japan	Hong Kong
14.05	3	44	F	4	6	4	6
14.24	3.25	45	F.5	-	-	5	-
14.45	3.5	-	G	5		-	7.5
14.65	3.75	46	G.5	6	-	6	-
14.88	4	47	H	7	8	7	9
15.09	4.25	-	H.5	-	9	-	-
15.29	4.5	48	I	8	-	8	10
15.49	4.75	-	J	-	-	-	-
15.70	5	49	J.5	9	10	9	11
15.90	5.25	50	K	-	-	-	-
16.10	5.5	-	K.5	10	11	10	12
16.31	5.75	51	L	-	-	-	-
16.51	6	52	L.5	11	12	11	13
16.71	6.25	-	M	12	13	12	-
16.92	6.5	53	M.5	13	-	13	14.5
17.12	6.75	-	N	-	14	-	-
17.32	7	54	N.5	14	-	14	16
17.53	7.25	55	O	-	15	-	-
17.73	7.5	-	O.5	15	-	15	17
17.93	7.75	56	P	-	16	-	-
18.14	8	57	P.5	16	17	16	-
18.34	8.10	-	Q	-	-	-	18
18.54	8.25	-	Q.5	17	-	-	-
18.75	8.5	58	R	-	18	17	19
18.95	8.75	59	R.5	18	-	-	-
19.15	9	-	S	-	19	18	20.5
19.35	9.25	60	S.5	19	20	-	-
19.56	9.5	61	T	-	-	19	22
19.76	9.75	-	T.5	20	21	-	-
19.96	10	62	U	21	-	20	23
20.17	10.25	-	U.5	22	22	21	-
20.37	10.5	63	V	-	-	22	24
20.57	10.75	64	V.5	23	23	-	-
20.78	11	-	W	-	-	23	25
20.98	11.25	65	W.5	24	24	-	-
21.18	11.5	66	X	-	25	24	26
21.39	11.75	-	X.5	25	-	-	-
21.59	12	67	Y	-	26	25	27.5
21.79	12.25	-	Z	26	-	-	-
22.00	12.5	68	Z.5	-	-	26	-
22.20	12.75	69	-	27	-	-	-
22.40	13	70	Z1	-	-	27	30
22.61	13.25	-	-	-	-	-	-
22.81	13.5	71	Z2	-	-	-	-
23.01	14	-	Z3	-	-	-	-
23.22	14.25	-	-	-	-	-	-
23.42	14.5	-	Z4	-	-	-	-
23.62	14.75	-	-	-	-	-	-
24.23	15	-	-	-	-	-	-

Download Size Guide (PDF)

1. How to Precisely Measure Your Ring Size at Home?

Measuring your ring size at home is simple when done correctly. Take a thin strip of paper or a soft string and gently wrap it around the base of your finger.

Mark the point where the ends meet, then measure the length using a ruler. This measurement represents your finger’s circumference.

For the most accurate fit, measure your finger at the end of the day when it is naturally slightly larger. Compare your measurement with our official ring size chart to find your perfect fit.

2. What If I’m Between Two Sizes?

If your measurement falls between two sizes, we recommend choosing the slightly larger size. This ensures a comfortable fit, especially since finger sizes can change due to temperature or time of day.

3. Does Finger Size Change During the Day?

Yes, your finger size can vary. It is usually smaller in the morning and slightly larger in the evening. For best results, always measure your finger at the end of the day.

4. Can I Measure Using an Existing Ring?

Absolutely. Place your ring on a ruler and measure the inner diameter in millimeters. Then match it with our size chart to determine your size. Make sure the ring fits the intended finger perfectly.

5. What If My Ring Doesn’t Fit?

At Bright Brilliance, we understand the importance of a perfect fit. If your ring size isn’t correct, we offer easy resizing support to ensure your piece feels just right.

6. Which Finger Should I Measure?

Measure the exact finger where you plan to wear the ring. Keep in mind that each finger even on the same hand can have a different size.