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Find Your Perfect Ring Size
Measure at home using a string or existing ring — get Indian, US, and UK sizes instantly
Choose Your Measurement Method
Wrap a thin strip of paper or string around the base of your finger. Mark where it meets, then measure that length in millimetres.
Typical range: 40mm – 75mm
Place an existing ring on a ruler and measure the inner diameter (the empty space inside) in millimetres.
Typical range: 13mm – 26mm
Your Ring Size
Indian Size
US Size
UK Size
Diameter (mm)
Nearest standard size shown. If between sizes, size up.
Measurement is outside the typical range. Please check your input and try again.
Ring Size Conversion Chart
Indian, US, UK sizes and inner diameters
| Indian | US Size | UK Size | Diameter (mm) |
|---|---|---|---|
| 5 | 2.5 | E | 13.6mm |
| 6 | 3 | F | 14mm |
| 7 | 3.5 | G | 14.4mm |
| 8 | 4 | H | 14.9mm |
| 9 | 4.5 | I | 15.3mm |
| 10 | 5 | J | 15.7mm |
| 11 | 5.5 | K | 16.1mm |
| 12 | 6 | L | 16.5mm |
| 13 | 6.5 | M | 16.9mm |
| 14 | 7 | N | 17.3mm |
| 15 | 7 | N | 17.3mm |
| 16 | 7.5 | O | 17.7mm |
| 17 | 8 | P | 18.2mm |
| 18 | 8.5 | Q | 18.6mm |
| 19 | 9 | R | 19mm |
| 20 | 9.5 | S | 19.4mm |
| 21 | 10 | T | 19.8mm |
| 22 | 10.5 | U | 20.2mm |
| 23 | 11 | V | 20.6mm |
| 25 | 12 | X | 21.4mm |
| 27 | 13 | Z | 22.2mm |
Frequently Asked Questions
Wrap a thin strip of paper or string around the base of your finger, mark where it overlaps, and measure the length in mm. That is your finger circumference. Enter it above to get your size instantly.
Indian sizes 10–14 (US 5–6.5, UK J–M) are most common for women, with inner diameters around 15.7mm to 16.9mm. Men typically wear Indian sizes 16–22.
Size up slightly — a ring that is a fraction loose is easier to resize than one that is too tight. Finger size also fluctuates with heat, cold, and time of day.
Measure in the afternoon or evening when fingers are at their largest. Cold temperatures make fingers shrink, and morning swelling can make them seem larger. Measure 2–3 times and average the result.
No. Indian sizes (1–30) differ from European sizes. Indian size 12 ≈ European size 52 = US 6 = UK L = 16.5mm diameter. Always cross-reference with a chart when buying internationally.
Measuring Tips
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Best Time to Measure
Measure in the late afternoon when fingers are at normal size. Avoid mornings (puffy) or cold weather (fingers shrink).
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Using a Strip of Paper
Cut a 1cm × 12cm strip. Wrap snugly around your finger base. Mark the overlap with a pen, then measure with a ruler.
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Common Mistakes
Don't pull the string too tight — it should slide over the knuckle. Wide band rings (>6mm) need half a size up for comfort.
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Measure Multiple Times
Measure 2–3 times on different days and average the readings for the most accurate result.
Quick Reference
Small (Women)Indian 8–11
Medium (Women)Indian 12–15
Large (Women)Indian 16–18
Small (Men)Indian 15–17
Medium (Men)Indian 18–21
Large (Men)Indian 22–26
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