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.
クイックリファレンス
| 変換元 | 変換先 |
|---|---|
| 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 |
使用例
- •Quick estimation and planning.
- •Comparing different scenarios.
- •Budgeting and cost analysis.
- •Educational and research purposes.
計算式
Diameter = Circumference / π. US ≈ (Diameter − 11.63) / 0.8128.
よくある質問
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.