How to measure your ring size
Method 1
Determining your perfect ring size is easy when you follow a reliable ring size chart. Learning how to determine your ring size at home can save you time and ensure a comfortable fit. You can measure ring size using string or tape by wrapping it around your finger, then comparing the length with a ring size chart to find your size accurately. Our step-by-step guide to measuring ring size with a size chart walks you through the process, making it simple to measure ring size confidently from the comfort of your home.
- Trim a thin strip of paper or thread.
- Twist the paper or thread around your finger
- Mark the place where paper and thread touch
- Use your ruler to measure the thread length
- Consult this chart to identify your ring size
- Pick a ring size one number less than measured
Method 2
Finding the appropriate ring size is simple when you use a reliable ring size chart. You can measure ring size diameter accurately by using the inside diameter in millimeters, which is especially helpful for double checking ring size after the paper method ring size measurement. Another effective way is using your daily ring to determine correct ring size by comparing it with the chart. Learning how to measure ring size using inside diameter in millimeters ensures a precise fit, making it one of the best ways to confirm your ring size at home.
- measure the length of the thread with your ruler
- use the following chart to determine your ring size
- select the ring size 1 number down from measured value
| US CA | UK AU IE NZ | JP IN CN SA | ES IT NL CH | Inside-Diameter & Cercumferene (mm) | US CA | UK AU IE NZ | JP IN CN SA | ES IT NL CH | Inside-Diameter & Cercumferene (mm) | |
|---|---|---|---|---|---|---|---|---|---|---|
| 3 | F | 4 | 4.25 | 14.05 & 44.14 | 9.25 | S | - | 20.25 | 19.15 & 60.20 | |
| 3.25 | F.5 | - | 4.75 | 14.24 & 44.74 | 9.5 | S 1/2 | 19 | 20.75 | 19.35 & 60.80 | |
| 3.5 | G | 5 | 5.5 | 14.45 & 45.40 | 9.75 | T | - | 21.5 | 19.56 & 61.40 | |
| 3.75 | G.5 | 6 | 6 | 14.65 & 46.02 | 10 | T 1/2 | 20 | 22 | 19.76 & 62.10 | |
| 4 | H | 7 | 6.75 | 14.88 & 46.80 | 10.25 | U | 21 | 22.75 | 19.96 & 62.70 | |
| 4.25 | H.5 | - | 7.5 | 15.09 & 47.40 | 10.5 | U 1/2 | 22 | 23.25 | 20.17 & 63.40 | |
| 4.5 | I | 8 | 8 | 15.29 & 48.00 | 10.75 | V | - | 24 | 20.37 & 64.00 | |
| 4.75 | J | - | 8.75 | 15.49 & 48.70 | 11 | V 1/2 | 23 | 24.75 | 20.57 & 64.60 | |
| 5 | J 1/2 | 9 | 9.25 | 15.70 & 49.30 | 11.25 | W | - | 25.25 | 20.78 & 65.30 | |
| 5.25 | K | - | 10 | 15.90 & 50.00 | 11.5 | W 1/2 | 24 | 26 | 20.98 & 65.90 | |
| 5.5 | K 1/2 | 10 | 10.5 | 16.10 & 50.60 | 11.75 | X | - | 26.5 | 21.18 & 66.60 | |
| 5.75 | L | - | 11.25 | 16.31 & 51.20 | 12 | X 1/2 | 25 | 27.25 | 21.39 & 67.20 | |
| 6 | L 1/2 | 11 | 11.75 | 16.51 & 51.90 | 12.25 | Y | - | 27.75 | 21.59 & 67.80 | |
| 6.25 | M | 12 | 12.5 | 16.71 & 52.50 | 12.5 | Z | 26 | 28.5 | 21.79 & 68.50 | |
| 6.5 | M 1/2 | 13 | 13.25 | 16.92 & 53.10 | 12.75 | Z 1/2 | - | 29 | 22.00 & 69.10 | |
| 6.75 | N | - | 13.75 | 17.12 & 53.80 | 13 | - | 27 | 29.75 | 22.20 & 69.70 | |
| 7 | N 1/2 | 14 | 14.5 | 17.32 & 54.40 | 13.25 | Z1 | - | 30.5 | 22.40 & 70.40 | |
| 7.25 | O | - | 15 | 17.53 & 55.10 | 13.5 | - | - | 31 | 22.61 & 71.00 | |
| 7.5 | O 1/2 | 15 | 15.75 | 17.73 & 55.70 | 13.75 | Z2 | - | 31.75 | 22.81 & 71.70 | |
| 7.75 | P | - | 16.25 | 17.93 & 56.30 | 14 | Z3 | - | 32.25 | 23.01 & 72.30 | |
| 8 | P 1/2 | 16 | 17 | 18.14 & 57.00 | 14.25 | - | - | 33 | 23.22 & 72.90 | |
| 8.25 | Q | - | 17.5 | 18.34 & 57.60 | 14.5 | Z4 | - | 33.5 | 23.42 & 73.60 | |
| 8.5 | Q 1/2 | 17 | 18.25 | 18.54 & 58.30 | 14.75 | - | - | 34.25 | 23.62 & 74.20 | |
| 8.75 | R | - | 19 | 18.75 & 58.90 | 15 | - | - | 34.75 | 24.23 & 76.10 | |
| 9 | R 1/2 | 18 | 19.5 | 18.95 & 59.50 |
