The complete Indian ring size guide — sizes 1 to 26, diameter in mm, circumference, and international conversions for US, UK, EU & Japan
| Indian Size | Diameter (mm) | Diameter (in) | Circumference (mm) | Circumference (in) | Typical Wearer |
|---|---|---|---|---|---|
| Indian Size 1 | 13.1 mm | 0.516″ | 41.0 mm | 1.61″ | Child |
| Indian Size 2 | 13.3 mm | 0.524″ | 41.7 mm | 1.64″ | Child |
| Indian Size 3 | 13.7 mm | 0.539″ | 42.9 mm | 1.69″ | Child |
| Indian Size 4 | 13.9 mm | 0.547″ | 43.6 mm | 1.72″ | Small Women |
| Indian Size 5 | 14.1 mm | 0.555″ | 44.2 mm | 1.74″ | Small Women |
| Indian Size 6 | 14.5 mm | 0.571″ | 45.5 mm | 1.79″ | Women |
| Indian Size 7 | 14.9 mm | 0.587″ | 47.1 mm | 1.85″ | Women |
| Indian Size 8 | 15.0 mm | 0.591″ | 48.0 mm | 1.89″ | Women |
| Indian Size 9 | 15.4 mm | 0.606″ | 49.0 mm | 1.93″ | Women |
| Indian Size 10 | 15.7 mm | 0.618″ | 50.0 mm | 1.97″ | Popular ♀ |
| Indian Size 11 ⭐ | 16.0 mm | 0.630″ | 51.2 mm | 2.02″ | Most Common ♀ |
| Indian Size 12 | 16.4 mm | 0.646″ | 51.8 mm | 2.04″ | Popular ♀ |
| Indian Size 13 | 16.7 mm | 0.657″ | 53.1 mm | 2.09″ | Women / Men |
| Indian Size 14 | 17.1 mm | 0.673″ | 54.0 mm | 2.13″ | Women / Men |
| Indian Size 15 | 17.4 mm | 0.685″ | 55.0 mm | 2.17″ | Men |
| Indian Size 16 | 17.8 mm | 0.701″ | 56.3 mm | 2.22″ | Men |
| Indian Size 17 | 18.0 mm | 0.709″ | 57.0 mm | 2.24″ | Men |
| Indian Size 18 ⭐ | 18.4 mm | 0.724″ | 57.8 mm | 2.28″ | Most Common ♂ |
| Indian Size 19 | 18.7 mm | 0.736″ | 59.1 mm | 2.33″ | Men |
| Indian Size 20 | 19.1 mm | 0.752″ | 60.0 mm | 2.36″ | Men |
| Indian Size 21 | 19.4 mm | 0.764″ | 60.9 mm | 2.40″ | Large Men |
| Indian Size 22 | 19.7 mm | 0.776″ | 61.9 mm | 2.44″ | Large Men |
| Indian Size 23 | 20.0 mm | 0.787″ | 62.8 mm | 2.47″ | Large Men |
| Indian Size 24 | 20.4 mm | 0.803″ | 63.8 mm | 2.51″ | XL |
| Indian Size 25 | 20.7 mm | 0.815″ | 64.7 mm | 2.55″ | XL |
| Indian Size 26 | 21.0 mm | 0.827″ | 66.0 mm | 2.60″ | XL |
These circles are drawn proportionally to represent the relative diameter of each Indian ring size. Compare side by side to get a clear sense of scale.
⚠️ Proportional only — not exact pixel-to-mm scale. Always use a ruler for accurate sizing.
About 1 cm wide and 10 cm long. A piece of string, thread or dhaga also works perfectly.
Wrap snugly around the base of the finger, ensuring it passes comfortably over the knuckle.
Use a pen to mark exactly where the strip meets — this length equals your finger circumference.
Lay the strip flat on a ruler. Record the length in mm, then enter it above in the calculator.
Find the closest value in the Circumference (mm) column of the Indian ring size chart above.
Select a ring that comfortably fits the finger you want to size.
Use a ruler to measure straight across the inside opening of the ring in millimetres.
Find that measurement in the Diameter (mm) column to get your Indian ring size.
| 🇮🇳 India | 🇺🇸 US / Canada | 🇬🇧 UK / Aus | 🇪🇺 EU / ISO | 🇯🇵 Japan | Diameter (mm) | Circ. (mm) |
|---|---|---|---|---|---|---|
| 1 | 1.75 | B | 41 | 1 | 13.1 mm | 41.0 mm |
| 3 | 2.5 | D | 43 | 3 | 13.7 mm | 42.9 mm |
| 5 | 3.5 | F½ | 44 | 5 | 14.1 mm | 44.2 mm |
| 7 | 4.25 | I½ | 47 | 7 | 14.9 mm | 47.1 mm |
| 9 | 5 | K½ | 49 | 9 | 15.4 mm | 49.0 mm |
| 11 | 5.75 | M½ | 51 | 11 | 16.0 mm | 51.2 mm |
| 12 | 6 | N | 52 | 12 | 16.4 mm | 51.8 mm |
| 13 | 6.5 | O | 53 | 13 | 16.7 mm | 53.1 mm |
| 14 | 7 | P | 54 | 14 | 17.1 mm | 54.0 mm |
| 15 | 7.25 | Q | 55 | 15 | 17.4 mm | 55.0 mm |
| 16 | 7.75 | R | 56 | 16 | 17.8 mm | 56.3 mm |
| 17 | 8 | S | 57 | 17 | 18.0 mm | 57.0 mm |
| 18 | 8.5 | T | 57 | 17 | 18.4 mm | 57.8 mm |
| 19 | 9 | U | 59 | 19 | 18.7 mm | 59.1 mm |
| 20 | 9.5 | V | 60 | 20 | 19.1 mm | 60.0 mm |
| 21 | 10 | W | 61 | 21 | 19.4 mm | 60.9 mm |
| 22 | 10.5 | X | 62 | 22 | 19.7 mm | 61.9 mm |
| 24 | 11.5 | Z | 64 | 23 | 20.4 mm | 63.8 mm |
| 26 | 12.5 | Z+2 | 66 | 25 | 21.0 mm | 66.0 mm |
Indian Size 18 – 26 · Always needs comfort-fit band
Indian Size 12 – 17 · Often 1 size larger than ring finger
Indian Size 13 – 18 · Largest finger on most hands
Indian Size 9 – 16 · Most popular for jewellery & engagement
Indian Size 5 – 10 · Great for stacking & signet rings
Indian Size 12 – 17
Often 1 size larger than ring finger
Indian Size 13 – 18
Usually the largest finger
Indian Size 9 – 16
Most popular for jewellery
Indian Size 5 – 10
Great for stacking rings
Indian Size 18 – 26
Always needs comfort-fit band
Indian Size 1 – 6
Always measure — varies widely
| Who | Indian Size Range | Diameter Range | Safe Default |
|---|---|---|---|
| 👧 Children (3 – 12 yrs) | 1 – 6 | 13.1 – 14.5 mm | Size 4 |
| 👩 Teen Girls | 6 – 10 | 14.5 – 15.7 mm | Size 8 |
| 👩 Indian Women (avg) | 9 – 14 | 15.4 – 17.1 mm | Size 11 |
| 👨 Indian Men (avg) | 15 – 21 | 17.4 – 19.4 mm | Size 18 |
| 💪 Large-Framed Men | 19 – 26 | 18.7 – 21.0 mm | Size 20 |
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