Size Guide – Find Your Perfect Fit
Finding the right size is essential for comfort and style. Whether you're shopping for a ring, bracelet, or necklace, this guide will help you find your perfect fit.
💍 RING SIZE GUIDE

Method 1 – Measure an Existing Ring
What you'll need:
- A ring that fits the intended finger well
- A ruler or caliper (in millimeters)
Steps:
- Place the ring on a flat surface
- Measure the inside diameter in millimeters (not the outside)
- Compare your measurement to the chart below
Method 2 – Measure Your Finger
What you'll need:
- A piece of string, strip of paper, or flexible measuring tape
- A ruler
Steps:
- Wrap the string or paper snugly around the base of the finger
- Mark where the ends meet
- Measure the length in millimeters (this is your circumference)
- Find the closest circumference in the chart below
⚠️ Tip: Measure at the end of the day when fingers are slightly larger. Do not pull too tight.
📊 International Ring Size Chart
| US Size | UK Size | Circumference (mm) | Diameter (mm) |
|---|---|---|---|
| 4 | G | 46.8 | 14.9 |
| 4.5 | H 1/2 | 48.0 | 15.3 |
| 5 | J 1/2 | 49.3 | 15.7 |
| 5.5 | K 1/2 | 50.6 | 16.1 |
| 6 | L 1/2 | 51.9 | 16.5 |
| 6.5 | M 1/2 | 53.1 | 16.9 |
| 7 | N 1/2 | 54.4 | 17.3 |
| 7.5 | O 1/2 | 55.7 | 17.7 |
| 8 | P 1/2 | 57.0 | 18.1 |
| 8.5 | Q 1/2 | 58.3 | 18.5 |
| 9 | R 1/2 | 59.5 | 18.9 |
| 9.5 | S 1/2 | 60.8 | 19.4 |
| 10 | T 1/2 | 62.1 | 19.8 |
👉 Most common women's sizes: US 5 to 7
👉 Most common men's sizes: US 8 to 10
✨ BRACELET SIZE GUIDE

How to Measure Your Wrist
What you'll need:
- A flexible measuring tape or a strip of paper + ruler
Steps:
- Wrap the tape snugly around your wrist, just below the wrist bone
- Note the measurement in centimeters or inches
- Add 1–1.5 cm for a comfortable fit (this is your bracelet size)
Bracelet Length Chart
| Wrist Circumference | Recommended Bracelet Length | Fit |
|---|---|---|
| 14 cm | 15–16 cm | Snug fit |
| 15 cm | 16–17 cm | Comfortable |
| 16 cm | 17–18 cm | Comfortable |
| 17 cm | 18–19 cm | Comfortable |
| 18 cm | 19–20 cm | Loose / relaxed |
| 19 cm | 20–21 cm | Loose |
| 20 cm | 21–22 cm | Very loose |
👉 If you're between sizes, choose the larger one for comfort.
📿 NECKLACE SIZE GUIDE

How to Measure Necklace Length
What you'll need:
- A piece of string or a flexible measuring tape
Steps:
- Wrap the string around your neck where you want the necklace to sit
- Mark the point where it meets
- Measure the length in centimeters
- Choose the closest length from the chart below
Necklace Length Chart
| Length | Position | Best For |
|---|---|---|
| 40 cm (16 inches) | Choker – sits at the base of the neck | High necklines, petite frames |
| 45 cm (18 inches) | Princess – just below the collarbone | Most common length, suits everyone |
| 50 cm (20 inches) | Matinee – at the top of the chest | Low necklines, layering |
| 55 cm (22 inches) | Opera – below the chest | Evening wear, statement pieces |
| 60 cm (24 inches) | Rope – below the bust | Layering, bold styles |
👉 Most popular length: 45 cm (18 inches)
📏 QUICK TIPS
| Jewelry Type | Key Tip |
|---|---|
| Rings | Measure at the end of the day – fingers are larger |
| Bracelets | Add 1–1.5 cm to your wrist size for comfort |
| Necklaces | Use a chain you already love as a reference |
❓ NEED HELP?
Still unsure about your size? We're here to help!
Email: contact@macklo.com
Live Chat: Available on our website
Please include your order number if you're contacting us about an existing order.
Thank you for choosing MACKLO LONDON!