Yaa Asamoah
💍

Find Your
Ring Size

Works on any phone · Any country · 2 minutes

Choose your method
💡 Best time to measure: evenings, when fingers are at their largest. Between two sizes? Always choose the larger for comfort.
Yaa Asamoah
Step 1 of 2 — Calibrate Screen

Align Your Card

Put the short side of your card here and adjust the slider until the bottom edge lines up.
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Any card works: bank card, Oyster card, loyalty card, driving licence

Yaa Asamoah
Coin Method — Step 1 of 2

Choose Your Coin

Select the coin you have with you

25¢

🇺🇸 US Quarter

Silver · George Washington · 24.26mm

2p

🇬🇧 UK 2p Coin

Large copper coin · 25.9mm

1p

🇬🇧 UK 1p Coin

Small copper penny · 20.32mm

5¢

🇺🇸 US Nickel

Thick silver · Thomas Jefferson · 21.21mm

10¢

🇺🇸 US Dime

Small silver · Franklin Roosevelt · 17.91mm

Yaa Asamoah
Coin Method — Step 2 of 2

Match the Circle

Place coin on circle ↓
25¢
— mm
Place your coin flat on the circle. Looking straight down, drag until the circle edge matches your coin exactly on all sides.
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Yaa Asamoah
Step 2 of 2 — Measure Ring

Place Ring on Screen

Lay your ring flat on the screen. Drag until the orange circle lines up with the inside edge of your ring band.
↑ ↓ ← →
16.5 mm diameter
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Your Ring Sizes
6
US size · 16.5mm diameter
🇬🇧 UK / Australia
L
🇪🇺 Europe
52
📏 Diameter
16.5 mm
📐 Circumference
51.8 mm
Before You Order
  • Measure in the evening — fingers swell slightly during the day.
  • Between two sizes? Always choose the larger for comfort.
  • For wide bands (4mm+), size up by half a size.
  • YAA ASAMOAH pieces available in sizes 5–9. Contact us for sizes outside this range.
  • Changed phones? Re-calibrate before measuring again.
Yaa Asamoah
Beautiful pieces, brighter futures
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