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Ring Sizer & Size Guide
HB Boutique Ring Sizer & Size Guide
Print this guide at 100% scale (no "fit to page"). Use the circles and chart below to find your perfect ring size.
Finding your ring size doesn't have to be complicated. Whether you're measuring for a special occasion or just exploring what fits, this printable guide makes it simple and accurate. Print it out, grab a ring that fits, and use the circles below to find your perfect size. No guessing—just real, straightforward sizing that works.
Print Scale Check
Place a real ruler against the line below. It should measure exactly 5 cm (50 mm). If it doesn't, reprint at 100% scale.
Ring Size Circles
Place a ring that already fits you over the circles. The correct size is the one where the inner edge of your ring lines up exactly with the black circle line.
US 4 – 14.8 mm
US 5 – 15.7 mm
US 6 – 16.5 mm
US 7 – 17.3 mm
US 8 – 18.1 mm
US 9 – 18.9 mm
US 10 – 19.8 mm
Ring Size Chart
| US Size | Inside Diameter (mm) | Inside Circumference (mm) |
|---|---|---|
| 4 | 14.8 | 46.5 |
| 5 | 15.7 | 49.3 |
| 6 | 16.5 | 51.8 |
| 7 | 17.3 | 54.4 |
| 8 | 18.1 | 57 |
| 9 | 18.9 | 59.5 |
| 10 | 19.8 | 62.1 |
How to Measure Your Finger at Home
Step 1 – Wrap
Cut a thin strip of paper or use a piece of string. Wrap it around the base of the finger you want to measure.
Step 2 – Mark
Mark where the paper or string overlaps.
Step 3 – Measure
Lay it flat and measure the length in millimeters. This is your finger's circumference.
Step 4 – Match
Use the chart above to find the closest circumference and corresponding US size.
Tips for Accuracy
- Measure at the end of the day when your fingers are warm.
- Measure the same finger 2–3 times for accuracy.
- If you're between sizes, choose the larger size for comfort.
HB Boutique Ring Size Guide
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