Ring Guide
Finding the perfect fit is essential for comfort and beauty. A ring that fits well should slide easily onto your finger, yet resist slipping off.
This guide will help you measure your size accurately before choosing your dream piece.
How to Measure Your Ring Size at Home
#1 Using a Ring You Already Own
Select a ring that fits the intended finger perfectly.
Measure the inner diameter in millimetres using a ruler or calliper.
Match the measurement to our size chart below.
#2 Using a Measuring Stripe
Cut a strip of paper or ribbon.
Wrap it snugly around the base of your finger.
Mark the point where the ends meet and measure the length in millimetres.
Refer to the circumference column in our size chart.
Size Chart (Singapore Standard)
| Size | Diameter (mm) | Circumference (mm) |
|---|---|---|
| 9 | 15.6 | 49 |
| 10 | 15.9 | 50 |
| 11 | 16.2 | 51 |
| 12 | 16.6 | 52.2 |
| 13 | 16.9 | 53.1 |
| 14 | 17.2 | 54 |
| 15 | 17.5 | 55 |
| 16 | 17.8 | 56 |
| 17 | 18.1 | 57 |
| 18 | 18.4 | 58 |
| 19 | 18.8 | 59 |
| 20 | 19.1 | 60 |
Tips for Accurate Sizing
Measure your finger at the end of the day, when it’s at its largest.
Avoid measuring when your fingers are cold, as they may be smaller.
If you are between sizes, we recommend choosing the larger size for comfort.
Professional Ring Sizing
For the most accurate fit, we recommend visiting On Cheong for a complimentary professional sizing.
Our team will ensure your ring is perfectly tailored to your finger, whether for daily wear or a special occasion.