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Ring Size Guide

Order My FREE Ring Sizer

When you’re making that very special and all important purchase for a ring, getting the size just right is vital. We can make it that little bit easier with our ring size tools which will allow you to measure any sizes within the UK, USA, Germany and France for Europe. If necessary, we will gladly send out a printed size guide which includes an international ring size conversion chart so you can get that perfect match! Fill in the form below to order your free ring sizer!




    I agree that my details can be stored by Flawless Fine Jewellery due to the privacy policy.

    Downloadable Ring Size Guide

    With our easy to use downloadable ring sizer tests, you can easily download the version and print to allow you to determine your desired ring size for that special someone at home without having to set foot out of your door. It’s a convenient option that allows you to measure the size, with either our paper test or our secret test!

    The Paper Test: print out your ring sizer and cut the paper ring sizer tool with scissors and determine which is the best size suited to the chosen ring finger.

    The Secret Test: simple and easy, use one of your partner’s rings and pop it on top of the right circle; this will allow an accurate sizing measure.

    It is good to note that the above is used only for measure and is measured on a general basis; any different styles of ring, such as a deeper band width, may still need altering to a larger size; but we’ll be happy to discuss all your needs.

    How To Measure Ring Size And All The Tips You Need!

    Make sure you follow all our little tips and tricks to ensure you find the perfect ring size for that chosen someone!

    1.
    Time and Temperature:

    Your finger size can change depending on the temperatures around you. It is best to check the sizing at the end of the day, when it is at its largest for best measure.

    2.
    RING WIDTH

    Rings often feel tighter than a thinner band which means if you choose a ring with a depth that is around 4.00mm or more, it’s best to go half a size bigger to ensure a comfy fit.

    3.
    Comfortable but Secure

    A ring must fit snugly but must also be easy to slide on and off over the knuckle.

    4.
    Shape of Finger

    Different shaped fingers and knuckles can change the size you need. Add a little extra to your sizing to ensure it fits well. You can use our ring size printable guide to estimate.

    PLANNING SURPRISE PROPOSAL?

    If you’re planning a surprise proposal for your partner, it can be a difficult and exciting task trying to measure their ring,
    here are some of our top tips!

    1.Get help from a family member or friend:

    ask politely if they know their ring size, you can pretend to wear the ring to see how it looks and feels!

    2.If your loved one won’t miss the ring they wear:

    By using our simple guide, you can have all the tools you need to ensure their ring fits perfectly snug ready for the big occasion!

    3.Try on their ring

    Try their ring on. Where does it fit and how? You can make a mark in pen then use our ring finger to be sure! Do not use string as that may not be reliable.

    WHAT IF THE RING DOESN’T FIT?

    We appreciate that mistakes happen, so if you do not succeed in guessing the right size, here at Flawless we are more than happy to offer one free resizing within 30 days. We will resize or replace the ring as long as there are no visible damages to it. It is best to note that our eternity and bespoke rings cannot be resized.

    INTERNATIONAL RING SIZE CHART

    International ring size conversation chart UK, USA and Europe

    Ring Diameter (Inside) Ring Circumference (Inside) ‹ International Standard Sizes ›
    MM Inches MM Inches Britan & Australia USA & Canada Europe German/Russian/Asia India/China/Japan Netherlands/Swiss
    9.9 0.390 31.1 1.22 · 0000 · · · ·
    10.7 0.442 33.7 1.39 · 00 · · · ·
    11.5 0.454 36.2 1.43 · 0 · · · ·
    12.0 0.470 37.5 1.50 A 1/2 · · · ·
    12.2 0.479 38.3 1.51 A 1/2 3/4 · · · ·
    12.4 0.487 38.9 1.53 B 1 · · 1 ·
    12.6 0.506 39.6 1.56 B 1/2 1 1/4 · · · ·
    12.8 0.503 40.2 1.58 C 1 1/2 · · · ·
    13.0 0.511 40.8 1.61 C 1/2 1 3/4 · · · ·
    13.2 0.520 41.5 1.63 D 2 41 1/2 13 1/2 2 1 1/2
    13.4 0.528 42.1 1.66 D 1/2 2 1/4 · · · ·
    13.6 0.536 42.8 1.68 E 2 1/2 42 3/4 13 3/4 3 2 3/4
    13.8 0.544 43.5 1.71 E 1/2 2 3/4 · · · ·
    14.0 0.553 44.1 1.74 F 3 44 14 4 4
    14.2 0.557 44.5 1.75 F 1/2 3 1/8 · · · ·
    14.3 0.561 44.8 1.76 F 3/4 3 1/4 · · · ·
    14.4 0.565 45.1 1.77 G 3 3/8 45 1/4 · 5 5 1/4
    14.5 0.568 45.4 1.79 G 1/4 3 1/2 · 14 1/2 · ·
    14.6 0.573 45.7 1.80 G 1/2 3 5/8 · · 6 ·
    14.7 0.576 46.0 1.81 H 3 3/4 46 1/2 · · 6 1/2
    14.9 0.585 46.7 1.84 H 1/2 4 · 15 7 ·
    15.0 0.592 47.3 1.86 I 4 1/4 47 3/4 · · 7 3/4
    15.3 0.601 48.0 1.89 I 1/2 4 1/2 · 15 1/4 8 ·
    15.4 0.606 48.4 1.90 J 4 5/8 50 15 1/2 · 9
    15.5 0.611 48.8 1.92 J 1/4 4 3/4 · · · ·
    15.7 0.618 50.3 1.94 J 1/2 5 · 15 3/4 9 ·
    15.8 0.622 50.6 1.95 K 5 1/8 50 · · 10
    15.9 0.625 50.0 1.97 K 1/4 5 1/4 · · · ·
    16.0 0.630 50.3 1.98 K 1/2 5 3/8 · · 10 ·
    16.1 0.634 50.6 1.99 L 5 1/2 51 3/4 16 · 11 3/4
    16.3 0.642 51.2 2.02 L 1/4 5 3/4 · · · ·
    16.4 0.646 51.6 2.03 L 1/2 5 7/8 · · · ·
    16.5 0.650 51.9 2.04 M 6 52 3/4 16 1/2 12 12 3/4
    16.7 0.658 52.5 2.07 M 1/2 6 1/4 · · · ·
    16.9 0.666 53.2 2.09 N 6 1/2 54 17 13 14
    17.1 0.674 53.8 2.12 N 1/2 6 3/4 · · · ·
    17.4 0.683 54.5 2.15 O 7 55 1/4 17 1/4 14 15 1/4
    17.5 0.687 54.8 2.16 O 1/2 7 1/4 · · · ·
    17.8 0.698 55.8 2.20 P 7 1/2 56 1/2 17 3/4 15 16 1/2
    18.0 0.707 56.5 2.22 P 1/2 7 3/4 · · · ·
    18.2 0.716 57.1 2.25 Q 8 57 3/4 18 16 17 3/4
    18.4 0.722 57.7 2.27 Q 1/2 8 1/4 · · · ·
    18.5 0.729 58.2 2.29 Q 3/4 8 1/2 · 18 1/2 17 ·
    18.6 0.733 58.5 2.30 R 8 5/8 59 · · 19
    18.7 0.736 58.7 2.31 R 1/4 8 3/4 · · · ·
    18.8 0.740 59.1 2.32 R 1/2 8 7/8 · · · ·
    18.9 0.743 59.3 2.35 R 3/4 9 · 19 18 ·
    19.1 0.752 60.0 2.36 S 9 1/8 60 1/4 · · 20 1/4
    19.2 0.757 60.4 2.38 S 1/4 9 1/4 · · · ·
    19.3 0.760 60.7 2.39 S 1/2 9 3/8 · · · ·
    19.4 0.764 61.0 2.40 S 3/4 9 1/2 · 19 1/2 19 ·
    19.5 0.768 61.3 2.41 T 9 5/8 61 1/2 · · 21 1/2
    19.6 0.772 61.6 2.43 T 1/4 9 3/4 · · · ·
    19.8 0.781 62.3 2.45 T 1/2 10 · 20 20 ·
    20.0 0.780 62.9 2.48 U 10 1/4 62 3/4 · 21 22 3/4
    20.2 0.795 63.5 2.50 U 1/2 10 1/2 · 20 1/4 22 ·
    20.3 0.800 63.8 2.51 V 10 5/8 63 · · 23 3/4
    20.4 0.805 64.2 2.53 V 1/4 10 3/4 · · · ·
    20.7 0.814 65.0 2.56 V 1/2 11 · 20 3/4 23 ·
    20.8 0.817 65.2 2.57 W 11 1/8 65 · · 25
    20.9 0.821 65.5 2.58 W 1/4 11 1/4 · · · ·
    20.9 0.824 65.8 2.59 W 1/2 11 3/8 · · · ·
    21.0 0.830 66.2 2.61 W 3/4 11 1/2 · 21 24 ·
    21.2 0.834 66.5 2.62 X 11 5/8 66 1/4 · · 26 1/4
    21.2 0.836 66.7 2.63 X 1/4 11 3/4 · · · ·
    21.3 0.838 66.9 2.64 X 1/2 11 7/8 · · · ·
    21.5 0.846 67.5 2.66 Y 12 67 1/2 21 1/4 25 27 1/2
    21.7 0.854 68.1 2.68 Y 1/2 12 1/4 · · · ·
    21.9 0.861 68.8 2.71 Z 12 1/2 68 3/4 21 3/4 26 28 3/4
    22.1 0.870 69.4 2.73 Z +1/2 12 3/4 · · · ·
    22.3 0.879 70.2 2.76 Z+1 13 · 22 27 ·
    22.6 0.890 71.0 2.80 Z+1.5 13.5 · · · ·
    22.7 0.893 71.3 2.81 Z+2 · · · · ·
    22.9 0.902 72.0 2.83 Z+2.5 · · · · ·
    23.0 0.908 72.5 2.85 Z+3 · · · · ·
    23.3 0.915 73.0 2.87 Z+3.5 · · · · ·
    23.5 0.924 73.7 2.90 Z+4 · · · · ·
    23.6 0.927 74.0 2.91 Z+4.5 · · · · ·
    23.9 0.940 75.0 2.95 Z+5 · · · · ·
    24.3 0.955 76.2 3.00 Z+6 · · · · ·
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