How to Find Your Ring Size

Finding the perfect fit is easy! Follow these simple steps to measure your ring size at home. This will give you a general idea of your ring size or a good place to start.

Tips for the Best Fit

Measure your finger at the end of the day when fingers are at their largest.
If between sizes, size up for comfort.
Wide bands fit more snugly — consider going up half a size.

Still unsure? Customerservice@ladyJJewelry.com and we'll be happy to help you find your perfect fit.

Ring Sizing Guide

Finding your perfect fit is the first step to enjoying your jewelry for a lifetime. Here are the most reliable ways to determine your ring size.

Method 1: Measure an Existing Ring

If you already have a ring that fits the intended finger perfectly, this is the easiest and most accurate DIY method.

Select a ring that fits the correct finger.
Use a ruler to measure the exact inside diameter of the ring in millimeters (mm). Measure straight across the center from one inside edge to the inside edge.
Compare your measurement to the chart below.

Method 2: The Paper or Thread Test

Cut a thin strip of paper or a piece of non-stretchy string.
Wrap it snugly around the base of your finger (and over the knuckle to ensure it can slide on and off).
Mark the point where the ends meet.
Measure the length in millimeters (mm) with a ruler to find your circumference, and compare it to the chart below.

Standard US Sizing Chart

US Size	Inside Diameter (mm)	Inside Circumference (mm)
4	14.9 mm	46.8 mm
4.5	15.3 mm	48.0 mm
5	15.7 mm	49.3 mm
5.5	16.1 mm	50.6 mm
6	16.5 mm	51.9 mm
6.5	16.9 mm	53.1 mm
7	17.3 mm	54.4 mm
7.5	17.7 mm	55.7 mm
8	18.1 mm	57.0 mm
8.5	18.5 mm	58.3 mm
9	18.9 mm	59.5 mm
9.5	19.4 mm	60.8 mm
10	19.8 mm	62.1 mm

Pro-Tips for an Accurate Fit

Temperature Matters: Fingers expand in the heat and shrink in the cold. For the most accurate measurement, measure your finger at the end of the day when your hands are warm.

Consider the Band Width: Wider bands (anything over 4mm to 6mm) displace more of your finger and will feel tighter than thin bands. If you are ordering a thick, sculptural band, we recommend sizing up a half size.

Knuckle Check: If your knuckle is significantly larger than the base of your finger, measure both and choose a size right in the middle so the ring can slide over the knuckle but won't slide off your finger.

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