Ring Size Calculator
Convert finger circumference to US and EU ring sizes.
How to Use the Ring Size Calculator
- Enter the required values.
- Click Calculate to see the results.
- Review the output values.
- Adjust inputs as needed.
Quick Reference
| From | To |
|---|---|
| 49 mm circ | US 5 / EU 15.6 |
| 52 mm | US 6 / EU 16.5 |
| 54 mm | US 7 / EU 17.2 |
| 57 mm | US 8 / EU 18.1 |
| 60 mm | US 9 / EU 19.1 |
| 63 mm | US 10 / EU 20.1 |
Use Cases
- •Quick estimation and planning.
- •Comparing different scenarios.
- •Budgeting and cost analysis.
- •Educational and research purposes.
Formula
Diameter = Circumference / π. US ≈ (Diameter − 11.63) / 0.8128.
Frequently Asked Questions
How to use?
Enter the data and click the calculate button.
Calculation accuracy?
Calculations are performed with high precision.
Is it free?
Yes, all calculators are completely free.