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Ring Size Chart

How do I estimate my ring size?
Due to the incredible strength and durability of the material, Tungsten, cutting and shaping it is often incur lots of work and high technique (as compared to gold and platinum). Because of its unique characteristics and extreme hardness, it is very difficult to resize a tungsten carbide ring; therefore, great care must be taken when sizing your finger.

We suggest visiting a local jewelry store to get your finger sized accurately if you are not sure with your own ring size. Please inform the jeweler the approximate width of your ring. A person can wear up to half to almost one size larger for a band with larger width.

Alternatively, you can follow the procedure below to obtain your ring size. Sizes are expressed in American Ring Sizes. The ideal size will fit comfortably and be tight enough to prevent the ring from accidentally falling off. Before ordering make sure that the ring size is correct. Finger size changes with temperature and time of day. The best time to measure accurately is in the time of midday.

Step 1: Get a piece of an inelastic string or a strip of paper;
Step 2: Wrap it around the base of the appropriate finger;
Step 3: Mark the point on the string or paper to tighten up the loop, forming a complete circle;
Step 4: Measure the length from the starting end of the string/paper;
Step 5: Finally, determine your ring size from the chart below.

USA Size UK Size European Size Circumference Size (mm)
3 F 44 44.1
3.5 G 45 1/4 45.4
4 H 1/2 46 1/2 46.7
4.5 I 1/2 47 3/4 48
5 J 1/2 49 49.2
5.5 K 1/2 50 1/4 50.5
6 M 51 1/2 51.8
6.5 N 52 3/4 53.1
7 O 54 54.3
7.5 P 55 1/4 55.6
8 Q 56 1/2 56.9
8.5 R 57 3/4 58.2
9 S 59 59.4
9.5 S 1/2 60 1/2 60.7
10 T 1/2 61 3/4 62
10.5 U 1/2 62 3/4 63.3
11 V 1/2 64 1/4 64.5
11.5 W 1/2 65 5/8 65.8
12 Y 67 1/4 67.1
12.5 Z 68 3/4 68.3
13 Z + 1 69 1/2 69.6


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01.!!COI Tungsten Carbide Mo Anam Cara Wedding Band Ring - TG003A
02.!!!!!COI Tungsten Carbide Couple Wedding Band Ring - TG1357
03.!!COI Tungsten Carbide Pipe Cut Wedding Band Ring - TG288AA
04.!!!!!COI Black Tungsten Carbide Couple Wedding Band Ring-TG1645
05.!!!!!COI Black Tungsten Carbide HeartBeat Band Ring - TG1412
06.!!!!!COI Tungsten Carbide Couple Wedding Band Ring - TG196
07.!!!!!!COI Black Tungsten Carbide Step Edges Ring - TG1241
08.!!!COI Black Tungsten Carbide Ring With Carbon Fiber - TG2289
09.!!!!!COI Black Tungsten Carbide Pipe Cut Flat Ring - TG124
10.!!COI Tungsten Carbide Wedding Band Ring With Carbon Fiber-TG628
!COI Black Tungsten Carbide King Queen Crown Pendant-TG5064
!COI Black Tungsten Carbide King Queen Crown Pendant-TG5064
List Price: US$299.99
Our Price: US$79.99

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