Find Your Ring Size
Effortless. Accurate. Intentional
Method 1. Order the DD Ring Sizer
Deliver to your door within Australia. $9 – fully credited back on your ring order.→ Get your DD Ring Sizer now

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Method 2. Use the Ring Size Chart
Here’s a quick reference to compare Australian ring sizes with their international equivalents:
- Women: AU M–N
- Men: AU R–T
For full size conversion, click here.
| Inside Circumference | US, Canada, Mexico | UK, Australia, Ireland, New Zealand, South Africa | France | Germany, Russia, Ukraine, Asia | India, China, Japan, South America, Turkey, Israel | Italy, Spain, Netherlands, Switzerland | |
|---|---|---|---|---|---|---|---|
| IN | MM | ||||||
| 1.74 | 44.2 | 3 | F | 44 | 14 | 4 | 4 |
| 1.77 | 44.8 | 3.25 | F 1/2 | 45 | 14 1/4 | --- | 4 5/8 |
| 1.79 | 45.5 | 3.5 | G | 45.5 | 14 1/2 | 5 | 5 1/4 |
| 1.82 | 46.1 | 3.75 | G 1/2 | 46 | 14 3/4 | 6 | 5 7/8 |
| 1.84 | 46.8 | 4 | H | 47 | 15 | 7 | 6 1/2 |
| 1.87 | 47.4 | 4.25 | H 1/2 | 47.5 | --- | --- | 7 1/8 |
| 1.89 | 48 | 4.5 | I | 48 | 15 1/4 | 8 | 7 3/4 |
| 1.92 | 48.7 | 4.75 | J | 48.5 | 15 1/2 | --- | 8 3/8 |
| 1.94 | 49.3 | 5 | J 1/2 | 49 | 15 3/4 | 9 | 9 |
| 1.97 | 50 | 5.25 | K | 50 | 16 | --- | 9 5/8 |
| 1.99 | 50.6 | 5.5 | K 1/2 | 50.5 | 16 1/4 | 10 | 10 1/4 |
| 2.02 | 51.2 | 5.75 | L | 51 | --- | 11 | 10 7/8 |
| 2.04 | 51.9 | 6 | L 1/2 | 52 | 16 1/2 | 12 | 11 1/2 |
| 2.07 | 52.5 | 6.25 | M | 52.5 | 16 3/4 | --- | 12 1/8 |
| 2.09 | 53.1 | 6.5 | M 1/2 | 53 | 17 | 13 | 12 3/4 |
| 2.12 | 53.8 | 6.75 | N | 54 | --- | --- | 13 3/8 |
| 2.14 | 54.4 | 7 | N 1/2 | 54.5 | 17 1/4 | 14 | 14 |
| 2.17 | 55.1 | 7.25 | O | 55 | 17 1/2 | --- | 14 5/8 |
| 2.19 | 55.7 | 7.5 | O 1/2 | 56 | 17 3/4 | 15 | 15 1/4 |
| 2.22 | 56.3 | 7.75 | P | 56.5 | 18 | --- | 15 7/8 |
| 2.24 | 57 | 8 | P 1/2 | 57 | --- | 16 | 16 1/2 |
| 2.27 | 57.6 | 8.25 | Q | 58 | 18 1/4 | --- | 17 1/8 |
| 2.29 | 58.3 | 8.5 | Q 1/2 | 58.5 | 18 1/2 | 17 | 17 3/4 |
| 2.32 | 58.9 | 8.75 | R | 59 | 18 3/4 | --- | 18 3/8 |
| 2.34 | 59.5 | 9 | R 1/2 | 60 | 19 | 18 | 19 |
| 2.37 | 60.2 | 9.25 | S | 60.5 | 19 1/4 | --- | 19 5/8 |
| 2.39 | 60.8 | 9.5 | S 1/2 | 61 | 19 1/2 | 19 | 20 1/4 |
| 2.42 | 61.4 | 9.75 | T | 61.5 | --- | --- | 20 7/8 |
| 2.44 | 62.1 | 10 | T 1/2 | 62 | 19 3/4 | 20 | 21 1/2 |
| 2.47 | 62.7 | 10.25 | U | 63 | 20 | 21 | 22 1/8 |
| 2.49 | 63.4 | 10.5 | U 1/2 | 63.5 | --- | 22 | 22 3/4 |
| 2.52 | 64 | 10.75 | V | 64 | 20 1/2 | --- | 23 3/8 |
| 2.54 | 64.6 | 11 | V 1/2 | 65 | 20 3/4 | 23 | 24 |
| 2.57 | 65.3 | 11.25 | W | 65.5 | --- | --- | 24 5/8 |
| 2.59 | 65.9 | 11.5 | W 1/2 | 66 | 21 | 24 | 25 1/4 |
| 2.62 | 66.6 | 11.75 | X | 67 | 21 1/4 | --- | 25 7/8 |
| 2.65 | 67.2 | 12 | X 1/2 | 67.5 | 21 1/2 | 25 | 26 1/2 |
| 2.68 | 68.1 | 12.25 | Y | 68 | --- | --- | 27 1/8 |
| 2.71 | 68.5 | 12.5 | Z | 69 | 21 3/4 | 26 | 27 3/4 |
| 2.72 | 69.1 | 12.75 | Z 1/2 | 69.5 | --- | --- | 28 3/8 |
| 2.75 | 69.7 | 13 | --- | 70 | 22 | 27 | 29 |
Method 3. Measure at Home
1: Paper/String + Ruler
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Wrap around base of finger
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Mark the point where it overlaps
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Measure the length in mm
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Match to chart above
2: Use an Existing Ring
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Choose a well-fitting ring
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Measure inner diameter
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Size up if unsure
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Tips for Accuracy:
- Measure at the end of the day (fingers are slightly larger).
- Avoid measuring cold fingers.
- Ensure the ring fits over the knuckle comfortably.
How to measure your ring size at home

Method 4. Based on Average Ring Sizes
-
Women: AU J–N (US 5–7)
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Men: AU P–T (US 8–10.5)
If you require a special size, please contact us and we’re happy to assist.
Denise Diamonds Commitment
At Denise Diamonds, sizing is intentional:
Every band is made-to-order, crafted to your chosen width, size, and metal.
No inventory. No mass production.
Only design with structure and meaning.
Need help? Our team is one message away. Let's talk
Denise Diamonds Team
