Brilliant Cut Rings
Old Cut Rings
Colored Diamond Ring
Antique Diamond Ring
Lab Gemstone Jewelry
Solitaire Rings
Halo Ring
Bridal Set
Solitaire Accent
Three Stone Ring
Semi Mount Ring
Bezel Set
Pave Set
Eternity Band
Channel Set
Dainty Rings
Toi Moi Rings
Colored Diamond
Old Cut Diamond
Antique Shapes
Diamond Layout
Brilliant Cut
Certified Stone
Matching Pairs
Gemstones
Best Seller
Studs
Drop & Dangle
Hoop Earrings
Pendants
Necklaces
Birthday Special
Anniversary Special
Bracelets
Bangles
Chain
Ring
Bracelet
100-299$
300-499$
500$ and More
![[Ouros Jewels Officla Logo]](http://www.ourosjewels.com/cdn/shop/files/Ouros_Logo_Cap-02_e8b5c4d5-7168-48f6-aa08-6f82bb5c7397_5001x2084.png?v=1672033260){kind=logo}
Welcome to the Ring Sizer Tool
Find the perfect ring size with our easy-to-use tool. Enter the circumference of your finger below to get started.
![[Ouros Jewels Officla Logo]](http://www.ourosjewels.com/cdn/shop/files/Ouros_Logo_Cap-02_e8b5c4d5-7168-48f6-aa08-6f82bb5c7397_480x200.png?v=1672033260){kind=logo}
| US Size | Diameter (mm) | Circumference (mm) |
|---|---|---|
| 3 | 14.1 | 44.2 |
| 3.5 | 14.5 | 45.5 |
| 4 | 14.9 | 46.8 |
| 4.5 | 15.3 | 48.0 |
| 5 | 15.7 | 49.3 |
| 5.5 | 16.1 | 50.6 |
| 6 | 16.5 | 51.9 |
| 6.5 | 16.9 | 53.1 |
| 7 | 17.3 | 54.4 |
| 7.5 | 17.7 | 55.7 |
| 8 | 18.1 | 57.0 |
| 8.5 | 18.5 | 58.3 |
| 9 | 18.9 | 59.5 |
| 9.5 | 19.3 | 60.8 |
| 10 | 19.7 | 62.1 |
| 10.5 | 20.1 | 63.4 |
| 11 | 20.5 | 64.6 |
| 11.5 | 20.9 | 65.9 |
| 12 | 21.3 | 67.2 |
| 12.5 | 21.7 | 68.5 |
| 13 | 22.1 | 69.7 |
Find Your Perfect Ring Size: Free PDF Guide!
Get expert tips to nail your ring size effortlessly. Download now for free!
Size Chart