Buying a ring online can feel tricky, especially when you’re unsure about your size. Choosing the wrong size may mean discomfort, resizing issues, or even losing your ring. That’s why having a ring size chart in mm, cm, and inches is essential.
In this guide, you’ll learn how to measure your ring size at home with simple methods, avoid common mistakes, and find the perfect fit for your jewellery.
And once you know your size, you can confidently shop Shayn’s stunning collection of 18K Gold Plated 925 Silver and Moissanite Rings designed exclusively for women.
Why Knowing Your Ring Size Matters
A ring that’s too tight can cause discomfort, while one that’s too loose may slip off your finger.
Correct sizing ensures:
- Comfort for daily wear
- Security so the ring won’t fall off
- Better appearance and elegance
- Hassle-free online shopping
Standard Ring Size Chart (mm, cm, inches)
Here’s a handy ring size conversion chart to help you compare sizes worldwide:
USA/Canada/Mexico | UK/Australia | EU | India | Japan/China | Diameter (mm / cm / in) | Circumference (mm / cm / in) |
---|---|---|---|---|---|---|
3 | F½ | 44 | 4 | 4 | 14.1 / 1.41 / 0.555 | 44.2 / 4.42 / 1.74 |
3.5 | G½ | 45 | 5 | 5 | 14.5 / 1.45 / 0.571 | 45.5 / 4.55 / 1.79 |
4 | H½ | 46 | 6 | 6 | 14.9 / 1.49 / 0.587 | 46.8 / 4.68 / 1.84 |
4.5 | I½ | 47 | 7 | 7 | 15.3 / 1.53 / 0.602 | 48.0 / 4.80 / 1.89 |
5 | J½ | 49 | 8 | 9 | 15.7 / 1.57 / 0.618 | 49.3 / 4.93 / 1.94 |
5.5 | K½ | 50 | 9 | 10 | 16.1 / 1.61 / 0.634 | 50.6 / 5.06 / 1.99 |
6 | L½ | 52 | 10 | 11 | 16.5 / 1.65 / 0.650 | 51.8 / 5.18 / 2.04 |
6.5 | M½ | 53 | 11 | 13 | 16.9 / 1.69 / 0.665 | 53.1 / 5.31 / 2.09 |
7 | N½ | 54 | 12 | 14 | 17.3 / 1.73 / 0.681 | 54.4 / 5.44 / 2.14 |
7.5 | O½ | 56 | 13 | 15 | 17.7 / 1.77 / 0.696 | 55.7 / 5.57 / 2.19 |
8 | P½ | 57 | 14 | 16 | 18.1 / 1.81 / 0.712 | 57.0 / 5.70 / 2.24 |
8.5 | Q½ | 58 | 15 | 17 | 18.5 / 1.85 / 0.728 | 58.3 / 5.83 / 2.30 |
9 | R½ | 59 | 16 | 18 | 18.9 / 1.89 / 0.744 | 59.5 / 5.95 / 2.34 |
9.5 | S½ | 60 | 17 | 19 | 19.3 / 1.93 / 0.760 | 60.8 / 6.08 / 2.39 |
10 | T½ | 62 | 18 | 20 | 19.7 / 1.97 / 0.776 | 62.1 / 6.21 / 2.44 |
10.5 | U½ | 63 | 19 | 22 | 20.1 / 2.01 / 0.791 | 63.4 / 6.34 / 2.50 |
11 | V½ | 64 | 20 | 23 | 20.6 / 2.06 / 0.811 | 64.6 / 6.46 / 2.54 |
11.5 | W½ | 66 | 21 | 24 | 21.0 / 2.10 / 0.827 | 65.9 / 6.59 / 2.59 |
12 | X½ | 67 | 22 | 25 | 21.4 / 2.14 / 0.843 | 67.2 / 6.72 / 2.65 |
12.5 | Y½ | 68 | 23 | 26 | 21.8 / 2.18 / 0.858 | 68.5 / 6.85 / 2.70 |
13 | Z½ | 70 | 24 | 27 | 22.2 / 2.22 / 0.874 | 69.7 / 6.97 / 2.75 |
Easy Methods to Measure Ring Size at Home
Method 1: String or Floss Method
- Wrap a piece of string around your finger.
- Mark where the ends meet.
- Measure the length in mm.
- Match with the chart above.
Method 2: Paper Strip Method
- Cut a thin paper strip.
- Wrap it around your finger.
- Mark the overlap point.
- Measure and compare with a chart.
Method 3: Using a Ring You Already Own
- Take a ring that fits well.
- Measure its inside diameter.
- Match it with the size chart.
Method 4: Printable Ring Sizer
- Download a printable sizer online.
- Place your finger or ring on the chart.
- Cross-check with actual sizes.
Common Mistakes to Avoid When Measuring Ring Size
- Measuring with cold hands (fingers shrink).
- Pulling the string or paper too tight.
- Forgetting knuckle size (the ring must slide over it).
- Measuring only once, always check twice for accuracy.
Pro Tips for Perfect Ring Fitting
Temperature & Swelling Considerations
Fingers swell during the day. Always measure in the evening when your hands are warm for accuracy.
Measuring at the Right Time of Day
Avoid measuring after workouts, during pregnancy, or in cold weather, as it affects finger size.
Shayn’s 18K Gold Plated 925 Silver & Moissanite Rings
If you’re searching for the perfect ring that blends luxury, elegance, and affordability, Shayn has you covered.
Why Choose Moissanite Over Diamonds?
- Brighter sparkle than diamonds
- Eco-friendly and ethically sourced
- More affordable yet luxurious
Benefits of Shayn’s 18K Gold Plated 925 Silver Rings
- Made with 925 sterling silver (strong & durable)
- Coated with 18K gold plating for a luxurious look
- Set with high-quality Moissanite stones
- Perfect for engagement, anniversaries, or daily wear
Conclusion
Knowing your ring size in mm, cm, and inches is the first step to enjoying a perfect jewellery experience. With simple home methods and our easy-to-follow ring size chart, you can measure accurately and shop with confidence.
And once you’ve found your size, explore Shayn’s 18K Gold Plated 925 Silver and Moissanite Rings, luxurious, sparkling, and designed for women who love timeless elegance.
Your perfect ring is waiting. Measure today and shop Shayn with confidence!
FAQs
1. Can you measure a ring size with a tape measure?
Yes! Wrap it around your finger and compare it with the chart.
2. How do you know if a ring is too tight?
If it leaves deep marks or feels uncomfortable, go one size up.
3. What if you're between two sizes?
Always size up for comfort.
4. Do ring sizes differ for men and women?
The chart is the same, but women usually have smaller sizes.
5. How do you secretly find your partner’s ring size?
Borrow a ring they wear often and measure it.
6. Can Shayn resize rings if needed?
Yes, but measuring correctly at home saves time and effort.
7. How to measure ring size using a ruler?
- Wrap a strip of paper around the base of your finger.
- Mark where the paper overlaps.
- Measure the length from the start to the mark using a ruler (in mm).
- To find your ring size, measure the circumference of your finger and use a ring size chart to match it.
8. How to measure ring size with a phone app?
- Download a ring sizing app (like "Ring Sizer" or "Jewellery Size Finder").
- Follow the instructions, either place a ring on the screen or wrap something around your finger and measure with the app.
- The app will show your ring size.
9. How to measure ring size with a tape measure?
- Wrap a soft measuring tape around your finger.
- Note the measurement where it overlaps (in mm).
- Cross-reference your measurement with a ring size chart to find your correct size.
10. How big is a size 7 ring?
The size 7 ring has a diameter of about 17.3 mm.
11. Which finger is the ring finger?
The fourth finger (next to the little finger) on either hand.
12. How tight should a ring be?
It should be snug but comfortable, tight enough not to fall off, but loose enough to slide over the knuckle.
13. Which is the right ring finger for marriage?
It’s usually the fourth finger of the right hand (but some prefer the left).
14. Should a ring spin on your finger?
A little spin is fine, but if it spins too much, it may be too loose.
15. Does ring size change with age?
Yes, due to weight changes, swelling, or ageing.
16. How many times can a ring be resized?
Usually 2–3 times, depending on the ring design and metal.
17. Which finger is lucky for a ring (woman)?
Many believe the ring finger (fourth) or index finger brings luck, depending on the stone.
18. What is the difference between an engagement ring and a wedding ring?
An engagement ring is given during the proposal; a wedding ring is exchanged at the wedding.
19. Which finger is connected to the heart?
The left ring finger, based on an old belief (not scientifically true).
20. How much does it cost to resize a ring?
In India, it costs about ₹300–₹2,000, depending on the material and work.
21. What is the average ring size for a woman?
Around size 6 or 7 in India (roughly 16.5–17.3 mm diameter).