Ring Size Conversion Chart - International. Inside Diameter MM Inside Diameter Inches USA/ Canada/ Mexico Ring Size UK/ Ireland/ Australia/ New Zealand/ South Africa Ring Size Germany/ France Ring Size Spain/ Italy Ring Size Japan/ China/ India/ South America Ring Size 15 mm 0.59" 4 H 46.8 6,5 7 15.3 mm 0.60" 4.5 I 48 8 8 15.6 mm 0. Choose the ring size of the largest finger you'll be wearing the ring on. When measuring, round to the closest whole millimetre. Ideally, a ring should be able to fit well enough so that it won't fall off. However, you don't want it to get stuck, so make sure it's also loose enough to fit over your knuckle relatively easily. TIPS FOR PROPER MEASUREMENT. 1. Verify that the printed Ring Sizer Guide matches a ruler. 2. After cutting out the ring sizer, pull it tight for an accurate size. You may need someone to help you to hold and read the measurement. 3. Measure your finger later in the day, when it is at its largest. Avoid measuring when your fingers are cold. Some customers ask how to measure ring size in cm, you simply need to divide the millimeter by 10 for the ring size chart conversion. So 4 millimeters is 0.4 cm and vice versa, 0,5 centimeters is equal to 5 millimeters. Ring size 6 will fit your finger with an inside diameter of 16.51 millimetres, and so on. If a woman typically wears rings This system is similar to the German system in that it is based on the inside diameter of a ring. However, size 1 starts at 13 mm and each size up represents a 1/3 mm increase in diameter. So, a size 2 is 13.33 mm and size 3 is 13.67 mm. Swiss Ring Size System - This system, created by the Swiss, is used in other European countries such as Leather Wallet. Cuff-Link. Looking for Ring Size Chart / Ring size guide. The Dapper Shop, we perfectly understand that while shopping for a ring online you might be concerned about ring size. Or if the Ring doesn't fit well or that you get the size wrong.You shouldn't, we are here for you. We have the Ring Size Chart to help you to Use our free ring size converter to determine your ring size by circumference or diameter. Please, follow the simple steps below to determine your ring size: Choose your preferred sizing method; Move the slider until the selected object fits between the boxes (to help with proportions) Finger Size 6 = Finger's measurement 5.5 cm. Finger Size 7 = Finger's measurement 6 cm. Finger Size 8 = Finger's measurement 6.5 cm. Finger Size 9 = Finger's measurement 7 cm. equally important, How many mm are in 2 cm? Centimeters to millimeters conversion table 1. Here is chart that can also be considered in determining the appropriate ring size. It measures inside the diameter of such ring in millimeters. This is normally used for double checking your results from the usual paper method. Apart from this, you can also make use of the ring that you wear daily and cross check the same with below chart. Place the ring on top of each circle until you find the perfect match. You can tell you have the right measurement when your ring fits neatly inside the circle. Double check your measurements for accuracy. Ring Size (US) Diameter (Millimeters) Diameter (Centimeters) 3. 14.0 MM. NvvVZb.