Ring Size Finder - Interactive Measurement Guide | Free Tool
📏 Ring Size Finder
Find the Perfect Ring Size | Interactive Measurement Guide
Printable Sizer
Download and print actual-size ring sizer. Most accurate method at home.
Measure Existing Ring
Measure a ring she already wears. Use our calculator to find size.
Sneaky Methods
5 clever ways to find her size without her knowing. Surprise guaranteed!
🖨️ Printable Ring Sizer
Print this at 100% scale (no scaling). Cut out and wrap around finger. Most accurate home method.
Ring Sizer Template
Click below to download printable PDF ring sizer
Print at 100% scale | A4 or Letter size
📹 Video Tutorial
Watch our 2-minute video guide on how to use the printable ring sizer for perfect accuracy.
🌍 Ring Size Conversion Chart
Convert between US, UK, EU, and Australian ring sizes
| US Size | UK Size | EU Size | AU Size | Diameter (mm) |
|---|---|---|---|---|
| 4 | H | 47 | H | 14.9 |
| 5 | J½ | 49 | J½ | 15.7 |
| 6 | L½ | 52 | L½ | 16.5 |
| 7 | N½ | 54 | N½ | 17.3 |
| 8 | P½ | 57 | P½ | 18.2 |
| 9 | R½ | 59 | R½ | 19.0 |
| 10 | T½ | 62 | T½ | 19.8 |
💡 Most common women's size: US 6-7 (AU L½-N½) | Most common men's size: US 9-10 (AU R½-T½)
📐 Ring Diameter Calculator
Measure the inside diameter of an existing ring to find her size
Her Ring Size Is:
UK/AU: N½ | EU: 54
📏 How to Measure
- Find a ring she wears on her ring finger
- Measure the inside diameter with a ruler (in mm)
- Enter the measurement above
- Get her exact size instantly!
🤫 5 Sneaky Ways to Find Her Size
Clever methods to discover her ring size without spoiling the surprise
1. Borrow a Ring
"Borrow" one of her rings (that she wears on her ring finger) for a day. Trace the inside on paper or take it to a jeweler.
2. Ask Her Friends
Her best friend or sister probably knows! They can help you find out or even take her ring shopping "just for fun."
3. The String Trick
While she's sleeping, wrap a string around her ring finger. Mark where it overlaps, then measure the length.
4. Try On Her Rings
Try on her rings and see which finger they fit you. Remember which finger and we can estimate her size from yours.
5. Jewelry Store Visit
Take her to a jewelry store "just browsing" and have her try on rings. Staff can secretly note her size.
6. When in Doubt...
Order a size 7 (AU N½). It's the most common women's size and we offer FREE resizing within 30 days!
❌ Common Sizing Mistakes to Avoid
Measuring the Wrong Finger
Ring finger size differs from other fingers! Always measure the specific finger she'll wear the ring on (usually left ring finger).
Measuring When Hands Are Cold
Fingers shrink in cold weather! Measure at room temperature or when hands are warm for accurate sizing.
Not Accounting for Knuckles
Ring must fit over the knuckle! If her knuckle is larger than the base of her finger, size up slightly.
Printing at Wrong Scale
Always print ring sizers at 100% scale (no fit to page). Verify with the test ruler on the printout.
Why Use Our Ring Size Finder?
100% Accurate
Professional-grade sizing tools used by jewelers. Get it right the first time.
Printable Sizer
Download and print actual-size ring sizer. Most accurate home measurement method.
Global Conversions
Convert between US, UK, EU, and Australian sizes instantly with our chart.
Sneaky Methods
6 clever ways to find her size without spoiling the surprise proposal.
Free Resizing
We offer FREE ring resizing within 30 days if you need adjustments.
100% Free
Professional ring sizing tools at no cost. Use unlimited times.
Found Her Size?
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