How do I know my ring size?

A little lost about what ring size to choose?
Or is this ring a surprise for someone?
No need to worry. Our ring size suggestion quiz will set you on the right path...

Shop Rings

Step 1

Wrap a piece of string tightly around your finger.
Step 2
Mark the point where the two ends meet.
Step 3
Measure the string against a ruler to get the circumference of your finger.
Step 4

Look up your ring size using the circ column in the rings size conversion chart.

Watch the 'How do I know my ring size?' video

Things to note

We always recommend you have a local jeweller measure your ring size. To make sure you have a perfect fit.

Please double check your ring size with our ring size guide.

Please add a quarter to a half size on all rings wider than 0.47inch/1.2cm

All our rings can always be re sized.

Ring size FAQ's

How do I know my ring size?

Click, to check your ring size with our ring size guide.

How do I convert my ring size?

Click, to convert your ring size with ring size conversion chart.

Are ring sizes universal or standard?

Yes ring sizes are universal and standard. Although, there are different ring size conversion depending on what country you are in. Ring sizes are normally measured with numbers in the United States and Canada. And are normally measured with letters in the United Kingdom and Australia. Please note that other countries may have different conversions. But the most consistent way to check your size in either the inside diameter or inside circumference.

Are ring sizes unisex?

Yes ring sizes are unisex. If your ring size is size 9, then your ring size is 9 whether you are male of female. There is not a male or female size for rings.

What is an average ring size?

We have found that the average ring size for men is size 10 and the average ring size for women is size 7.

Are ring sizes measured in cm or inches?

Ring sizes can be measured in either cm or inches. Whatever your measurements are in you can alwasy convert them through our ring size conversion chart.

Can ring sizes be increased, decreased sized up, sized down or adjusted?

Yes all our rings can always be re sized.  We can always make them bigger or smaller or change the measurements.

Can my ring size change? 

Yes your ring size can change slightly. We've found that temperatures, winter or summer conditions can change your ring size. Colder conditions can make your ring size smaller and warmer conditions can make your ring size larger.

Ring size conversion chart

US SIZE	UK SIZE	INSIDE DIA IN	INSIDE DIA MM	INSIDE CIRC IN	INSIDE CIRC MM
1/2	A	0.474	12.0	1.488	37.8
3/4	A 1/2	0.482	12.2	1.513	38.4
1	B	0.490	12.4	1.539	39.1
1 1/4	B 1/2	0.498	12.6	1.564	39.7
1 1/2	C	0.506	12.9	1.589	40.4
1 3/4	C 1/2	0.514	13.1	1.614	41.0
2	D	0.522	13.3	1.639	41.6
2 1/4	D 1/2	0.530	13.5	1.664	42.3
2 1/2	E	0.538	13.7	1.689	42.9
2 3/4	E 1/2	0.546	13.9	1.714	43.5
3	F	0.554	14.1	1.740	44.2
3 1/4	F 1/2	0.562	14.3	1.765	44.8
3 1/2	G	0.570	14.5	1.790	45.5
3 3/4	G 1/2	0.578	14.7	1.815	46.1
4	H	0.586	14.9	1.840	46.7
4 1/4	H 1/2	0.594	15.1	1.865	47.4
4 1/2	I	0.602	15.3	1.890	48.0
4 3/4	J	0.610	15.5	1.915	48.7
5	J 1/2	0.618	15.7	1.941	49.3
5 1/4	K	0.626	15.9	1.966	49.9
5 1/2	K 1/2	0.634	16.1	1.991	50.6
5 3/4	L	0.642	16.3	2.016	51.2
6	L 1/2	0.650	16.5	2.041	51.8
6 1/4	M	0.658	16.7	2.066	52.5
6 1/2	M 1/2	0.666	16.9	2.091	53.1
6 3/4	N	0.674	17.1	2.116	53.8
7	N 1/2	0.682	17.3	2.141	54.4
7 1/4	O	0.690	17.5	2.167	55.0
7 1/2	O 1/2	0.698	17.7	2.192	55.7
7 3/4	P	0.706	17.9	2.217	56.3
8	P 1/2	0.714	18.1	2.242	56.9
8 1/4	Q	0.722	18.3	2.267	57.6
8 1/2	Q 1/2	0.730	18.5	2.292	58.2
8 3/4	R	0.738	18.7	2.317	58.9
9	R 1/2	0.746	18.9	2.342	59.5
9 1/4	S	0.754	19.2	2.368	60.1
9 1/2	S 1/2	0.762	19.4	2.393	60.8
9 3/4	T	0.770	19.6	2.418	61.4
10	T 1/2	0.778	19.8	2.443	62.1
10 1/4	U	0.786	20.0	2.468	62.7
10 1/2	U 1/2	0.794	20.2	2.493	63.3
10 3/4	V	0.802	20.4	2.518	64.0
11	V 1/2	0.810	20.6	2.543	64.6
11 1/4	W	0.818	20.8	2.569	65.2
11 1/2	W 1/2	0.826	21.0	2.594	65.9
11 3/4	X	0.834	21.2	2.619	66.5
12	X 1/2	0.842	21.4	2.644	67.2
12 1/4	Y	0.850	21.6	2.669	67.8
12 1/2	Z	0.858	21.8	2.694	68.4
12 3/4	Z 1/2	0.866	22.0	2.719	69.1
13		0.874	22.2	2.744	69.7
13 1/4	Z1	0.882	22.4	2.769	70.3
13 1/2		0.890	22.6	2.795	71.0
13 3/4	Z2	0.898	22.8	2.820	71.6
14	Z3	0.906	23.0	2.845	72.3
14 1/4		0.914	23.2	2.870	72.9
14 1/2	Z4	0.922	23.4	2.895	73.5
14 3/4		0.930	23.6	2.920	74.2
15		0.938	23.8	2.945	74.8
15 1/4		0.946	24.0	2.970	75.4
15 1/2		0.954	24.2	2.996	76.1
15 3/4		0.962	24.4	3.021	76.7
16		0.970	24.6	3.046	77.4
16 1/4		0.978	24.8	3.071	78.0
16 1/2		0.986	25.0	3.096	78.6
16 3/4		0.994	25.2	3.121	79.3
17		1.002	25.5	3.146	79.9
17 1/4		1.010	25.7	3.171	80.6
17 1/2		1.018	25.9	3.197	81.2
17 3/4		1.026	26.1	3.222	81.8
18		1.034	26.3	3.247	82.5
18 1/4		1.042	26.5	3.272	83.1
18 1/2		1.050	26.7	3.297	83.7
18 3/4		1.058	26.9	3.322	84.4
19		1.066	27.1	3.347	85.0
19 1/4		1.074	27.3	3.372	85.7
19 1/2		1.082	27.5	3.397	86.3
19 3/4		1.090	27.7	3.423	86.9
20		1.098	27.9	3.448	87.6
20 1/4		1.106	28.1	3.473	88.2
20 1/2		1.114	28.3	3.498	88.8
20 3/4		1.122	28.5	3.523	89.5
21		1.130	28.7	3.548	90.1
21 1/4		1.138	28.9	3.573	90.8
21 1/2		1.146	29.1	3.598	91.4
21 3/4		1.154	29.3	3.624	92.0
22		1.162	29.5	3.649	92.7
22 1/4		1.170	29.7	3.674	93.3
22 1/2		1.178	29.9	3.699	94.0
22 3/4		1.186	30.1	3.724	94.6
23		1.194	30.3	3.749	95.2
23 1/4		1.202	30.5	3.774	95.9
23 1/2		1.210	30.7	3.799	96.5
23 3/4		1.218	30.9	3.825	97.1
24		1.226	31.1	3.850	97.8
24 1/4		1.234	31.3	3.875	98.4
24 1/2		1.242	31.5	3.900	99.1
24 3/4		1.250	31.8	3.925	99.7
25		1.258	32.0	3.950	100.3
25 1/4		1.266	32.2	3.975	101.0
25 1/2		1.274	32.4	4.000	101.6
25 3/4		1.282	32.6	4.025	102.2
26		1.290	32.8	4.051	102.9