subject: Using the Ring Sizer: How Big is Your Finger? [print this page] Using the Ring Sizer: How Big is Your Finger?
Your ring sizer will attempt to get the size of your finger or the circumference, via a ruler or a paper strip. You can also measure the diameter of a ring you currently have that fits perfectly. Experts always recommend that you go for a bigger size for convenience and comfort, just in case you grow or gain some weight.
The Measurement Guide
Your ring sizer will describe your finger as size 1/2 if it has a diameter of 0.474 inches and a circumference of 1.489 inches. A size 1 finger has a circumference of 1.539 inches and a diameter of 0.490 inches. A size 1 1/2 finger has a circumference of 1.590 inches and a diameter of 0.506 inches. Your finger is described as size 2 if it has a circumference of 1.640 inches and a diameter of 0.522 inches. Size 2 1/2 has a circumference of 1.690 and a diameter of 0.538 inches.
More Sizes
A ring or finger described as size 3 has a circumference of 1.740 inches and a diameter of 0.554 inches. A size 3 1/2 has a circumference of 1.791 inches or a diameter of 0.570 inches. A size 4 finger has a circumference of 1.841 inches and a diameter of 0.586 inches. A size 4 1/2 ring has a circumference of 1.891 inches and a diameter of 0.602 inches. A size 5 finger has a circumference of 1.942 inches and a diameter of .618 inches. If your ring is size 5 1/2, it means that the circumference is 1.992 inches and the diameter is 0.634 inches. A size 6 ring has a circumference of 2.042 inches and a diameter of 0.650 inches. A finger or ring size of 6 1/2 has a circumference of 2.092 inches and a diameter of 0.666 inches.
Bigger Sizes
A ring measured as size 7 has a circumference of 2.143 inches and a diameter of 0.682 inches. A size 7 1/2 has a circumference of 2.193 inches and a diameter of 0.698 inches. A size 8 has a circumference of 2.243 inches and a diameter of 0.714 inches. A size 8 1/2 finger has a circumference of 2.293 inches and a diameter of 0.730 inches. Size 9 has a circumference of 2.344 inches and a diameter of 0.746 inches. If you measure size 9 1/2, your ring circumference is 2.394, while the diameter is 0.762 inches.
The Biggest Sizes
Having a ring size of 10 means that your finger circumference is 2.444 inches, while the diameter is 0.778 inches. A size 10 1/2 ring has a circumference of 2.494 inches and a diameter of 0.794 inches. Being size 11 means that the ring circumference is 2.545 inches, while the diameter is 0.810 inches. A person with size 11 1/2 has a circumference of 2.595 and a diameter of 0.826 inches. Size 12 has a circumference of 2.645 inches and a diameter of 0.842 inches. Size 12 1/2 measures 2.695 in circumference and 0.858 in diameter. Size 13 measures 2.746 inches in circumference and 0.874 in diameter. Size 13 1/2 has a circumference of 2.796 inches and a diameter of 0.890 inch.
With these ring sizer measurements, you are sure to get the best fit. Some stores will measure in centimeters or millimeters but just have them convert everything for you.
