On-Screen Ring Size Visualizer
Preview ring sizes directly on your screen before deciding which size to buy.
1
Get your screen size
CREDIT CARD
219px
SmallerLarger
- Put your credit card on the screen
- Slide until the rectangle matches your card width
- Click Confirm to lock the screen size
2
Select Ring Size & Visualize
Diameter
14.1 mm
Circumference
44.1 mm
Complete Step 1 (screen calibration) to preview
International Ring Size Chart With Visualizer
See actual ring size chart on screen to compare ring sizes between standards
Select size
Select size
Unit
| Compare | Ring size | Diameter (mm) | Circumference (mm) |
|---|---|---|---|
| 3 | 14.1 | 44.1 | |
| 3.25 | 14.3 | 44.8 | |
| 3.5 | 14.4 | 45.4 | |
| 3.75 | 14.7 | 46.0 | |
| 4 | 14.9 | 46.7 | |
| 4.25 | 15.0 | 47.3 | |
| 4.5 | 15.3 | 48.0 | |
| 4.75 | 15.4 | 48.4 | |
| 5 | 15.7 | 49.3 | |
| 5.25 | 15.9 | 50.0 | |
| 5.5 | 16.1 | 50.6 | |
| 5.75 | 16.3 | 51.2 | |
| 6 | 16.5 | 51.9 | |
| 6.25 | 16.7 | 52.5 | |
| 6.5 | 16.9 | 53.2 | |
| 6.75 | 17.1 | 53.8 | |
| 7 | 17.3 | 54.4 | |
| 7.25 | 17.5 | 55.1 | |
| 7.5 | 17.7 | 55.7 | |
| 7.75 | 17.9 | 56.3 | |
| 8 | 18.1 | 57.0 | |
| 8.25 | 18.3 | 57.6 | |
| 8.5 | 18.5 | 58.3 | |
| 8.75 | 18.8 | 58.9 | |
| 9 | 18.9 | 59.5 | |
| 9.25 | 19.1 | 60.2 | |
| 9.5 | 19.4 | 60.8 | |
| 9.75 | 19.6 | 61.5 | |
| 10 | 19.8 | 62.1 | |
| 10.25 | 20.0 | 62.7 | |
| 10.5 | 20.2 | 63.4 | |
| 10.75 | 20.4 | 64.0 | |
| 11 | 20.6 | 64.6 | |
| 11.25 | 20.8 | 65.3 | |
| 11.5 | 21.0 | 65.9 | |
| 11.75 | 21.2 | 66.5 | |
| 12 | 21.4 | 67.2 | |
| 12.25 | 21.6 | 67.8 | |
| 12.5 | 21.8 | 68.5 | |
| 12.75 | 22.0 | 69.1 | |
| 13 | 22.2 | 69.7 | |
| 13.25 | 22.4 | 70.4 | |
| 13.5 | 22.6 | 71.0 |
Complete Step 1 (screen calibration) to preview
About these standards
Values are based on commonly referenced international charts. Manufacturers may vary; use as guidance.
- US/CA:
- Numeric scale with half sizes (e.g., 6, 6.5).
- UK/AU:
- Alphabetic scale with half-steps (e.g., M, M½).
- EU:
- Typically inner circumference in mm (e.g., 52, 53).
- JP/SG:
- Numeric scale (e.g., 12, 13).
- HK/CH:
- Local numeric scales that may differ from JP.
Your Ring Sizing Toolkit
Jump between the hub, calculator, converter, printable sizer, and this visualizer as needed.
Guides & Tips for Visual Sizing
Use this visualizer to understand how physical ring sizes look and compare directly on your screen.
1. Discover how to use our ring size visualizer to see actual ring sizes on screen and compare multiple sizes for perfect selection.
- Select your desired ring size and measurement standard, then view the actual ring dimensions displayed at real scale on your screen for accurate visualization.
- Compare multiple ring sizes simultaneously to see the difference between half sizes and understand how small changes affect the fit and appearance.
- Use the on-screen ring outline to physically compare with your existing rings or finger, helping you make confident size decisions without measurements.
- Adjust between international standards (US, UK, European) to see how the same ring size appears across different sizing systems for global shopping.
- Experience the most accurate way to visualize ring sizes digitally, eliminating guesswork and ensuring you select the perfect size with confidence.
2. Master the most accurate methods to measure your ring size at home for a perfect fit.
- Use a flexible measuring tape or piece of string to wrap around your finger, marking where the ends overlap for precise measurement.
- Measure both your knuckle and the base of your finger, then choose a size between these two measurements for optimal comfort.
- For best results, measure your finger at the end of the day when it's slightly larger, and avoid measuring when your hands are cold.
- Use a printable ring size chart or adjustable ring sizer tool for the most accurate at-home sizing experience.
- Use our online calculator to instantly determine your precise size, or get professionally measured for important purchases.
3. Compare different ring sizing methods to choose the best approach for your specific needs and situation.
- Professional ring sizers provide the most accurate results instantly, but require visiting a jewelry store or purchasing online.
- String and paper methods are easily accessible at home but often result in inaccurate measurements due to stretching and tension issues.
- Using an existing ring for reference is convenient if you have a perfectly fitting ring, but assumes current size is ideal and requires precise tools.
- Our online ring calculator combines convenience with professional accuracy, eliminating common manual measurement errors for reliable results.
- Printable ring size charts offer a good middle ground between accuracy and accessibility when printed at exact 100% scale.
4. Avoid these common ring sizing mistakes to prevent costly resizing issues.
- Don't measure your finger at the wrong time - avoid measuring when hands are cold, in the morning, or after exercise when fingers are swollen.
- Never ignore finger shape and band width - wider bands require larger sizes, and finger shape affects how rings fit differently.
- Don't rely on string or paper measurements alone - these methods often result in inaccurate sizing and costly mistakes.
- Avoid guessing based on shoe size or other body measurements - ring sizes have completely different sizing systems.
- Always double-check your measurements before purchasing - use our online calculator to verify your precise size.
5. Discover the key factors that cause finger size changes throughout your life and daily activities.
- Temperature fluctuations significantly affect finger size - heat causes swelling while cold makes fingers shrink, impacting how rings fit.
- Weight changes permanently alter finger size - weight gain typically increases ring size while weight loss makes rings feel looser.
- Hormonal changes during pregnancy, menstruation, or menopause can cause temporary or permanent finger swelling and size changes.
- Time of day matters - fingers are typically smaller in the morning and gradually swell throughout the day, affecting ring comfort.
- Medical conditions, medications, and hydration levels can also influence finger size, requiring periodic size adjustments for perfect fit.
6. Learn how to use our four essential ring size tools strategically based on your specific needs and shopping scenarios.
- Use the ring size calculator when you have an existing ring - simply enter your measurements to determine its exact size for replacement or matching purchases.
- Turn to the ring size converter for international shopping - instantly convert between US, UK, European, and Japanese standards when buying from overseas retailers.
- Reference the ring size chart for quick comparisons - view all sizes at once to find your size range and understand half-size differences before making decisions.
- Use the ring size visualizer when you need to see actual size - view real-scale rings on screen to understand how different sizes will look and feel on your hand.
- Combine multiple tools for complete accuracy: use the calculator for precise measurement, converter for international standards, chart for comparison, and visualizer for visual confirmation.
About Sizepedia
A data-driven size knowledge base providing standards, datasets and practical tools.
Sizepedia.com is a size-focused encyclopedia and toolkit: we collect and curate public standards, manufacturer size charts, and industry references to build consistent conversion tables and reference data that clarify how different systems correspond. We currently prioritize and publish features for ring sizing, including online measurement tools, international conversion tables, and brand mappings. Over time we will expand to footwear, apparel, and additional sizing categories to deliver more data and practical tools. Our resources are provided as a best-effort guide to help you choose sizes with confidence; when an exact fit matters, combine our guidance with local measurement or manufacturer recommendations for final confirmation.
Want more sizes or brands covered? Tell us — help Sizepedia.com grow.