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RING SIZER

Find your perfect fit
Measure an existing ring
  1. Select an existing ring that fits the desired finger.

  2. Measure the internal diameter of the ring (in mm).

  3. Use the below chart to determine your ring size.

INTERNAL DIAMETER (MM)14.114.915.716.517.318.119.019.820.621.422.2
US/CAN RING SIZE345678910111213
UK/AUS RING SIZEFHJLNPRTVXZ
GERMAN RING SIZE141515 3/416 1/217 1/418192020 3/421 1/422
INTERNAL DIAMETER (MM)US/CAN RING SIZEUK/AUS RING SIZEGERMAN RING SIZE
14.13F14
14.94H15
15.75J15 3/4
16.56L16 1/2
17.37N17 1/4
18.18P18
19.09R19
19.810T20
20.611V20 3/4
21.412X21 1/4
22.213Z22
Measure your finger
  1. Wrap a strip of paper around your finger where you’d like your ring to be.

  2. Make sure that the paper is pulled snug to your finger, the tighter the better, to find your best fit.

  3. Mark the spot where the paper meets and measure the distance with a ruler (mm).

  4. Use the below chart to determine your ring size.

CIRCUMFERENCE (MM)44.246.849.351.954.457.059.562.164.667.267.7
US/CAN RING SIZE345678910111213
UK/AUS RING SIZEFHJLNPRTVXZ
GERMAN RING SIZE141515 3/416 1/217 1/418192020 3/421 1/422
CIRCUM-FERENCE (MM)US/CAN RING SIZEUK/AUS RING SIZEGERMAN RING SIZE
44.23F14
46.84H15
49.35J15 3/4
51.96L16 1/2
54.47N17 1/4
57.08P18
59.59R19
62.110T20
64.411V20 3/4
67.212X21 1/4
67.713Z22
Tips & Tricks
  1. Measure your fingers at the end of the day when they’re at their largest.

  2. Cold weather can shrink your fingers up to half a size, so make sure they’re warm.

  3. Lastly, alcohol and salt can make your fingers swell, so refrain from measuring them after cocktails and appetizers.