Your ring.
Your fit.
Your everyday ring should feel effortless. A few simple checks will help you find your fit.
Guide preview only. Download the PDF to measure.
Print it.
Wrap it.
Make it yours.
A printer, scissors and a standard credit card. That’s all you need for a first size estimate at home.
Free one-page printable. Choose the paper in your printer.
Watch it in 30 seconds.
From the printer to your size. No sound needed.
Start at the right scale.
Print at 100% or Actual size, with Fit to page turned off. A bank card should match the bar on the sheet. If it doesn’t, reprint.
A little cut. A gentle wrap.
Cut out the strip at the bottom of the page. Wrap it snugly around the base of your finger, numbers out and the arrow end on top. Your size is the number at the arrow’s edge.
Give it a second check.
Check that the loop passes your knuckle. Measure again later with warm, relaxed hands. Between two numbers? Pick the larger one.
Let a ring you love
show you the way.
Choose a round ring that fits the same finger well. Measure straight across its centre, from inside edge to inside edge, in millimetres. Enter that diameter below. A similar band width gives a more useful comparison.
Find your
starting size.
Measured your finger or a ring you love? Enter millimetres to find the closest whole US reference size.
Your estimate will appear here. Use the table to compare nearby sizes.
The size reference.
ALL MEASUREMENTS IN MM| US size | Inside diameter | Circumference |
|---|---|---|
| 4 | 14.9 | 46.8 |
| 5 | 15.7 | 49.3 |
| 6 | 16.5 | 51.8 |
| 7 | 17.3 | 54.3 |
| 8 | 18.1 | 56.9 |
| 9 | 19.0 | 59.7 |
| 10 | 19.8 | 62.2 |
| 11 | 20.6 | 64.7 |
| 12 | 21.4 | 67.2 |
| 13 | 22.2 | 69.7 |
General reference sizes, not a list of available Reeng stock. Half sizes are not shown. Measurements follow the GIA size chart.
Comfort is the final check. Paper is a starting point. Printing, band width and the way you measure can change the result. For a confident fit, confirm with a jeweller’s physical ring sizer before ordering.
A few things
worth knowing.
Can I use my credit card on the screen?
Screens and zoom levels vary, so this guide uses your card to check the printed sheet instead. Your card should match the bar on the page exactly.
How should my ring feel?
Comfortable at the base of your finger, with a little resistance over your knuckle. It should not pinch. Wider bands can feel tighter, so check with a physical sizer of a similar width.
What if I fall between two sizes?
Pick the larger one. Finger shape and band width affect fit, and a slightly roomier ring is easier to wear than one that pinches. The calculator shows the closest whole reference size, not a guaranteed fit.
Are all these sizes available from Reeng?
This is a general US sizing reference. Confirm available Reeng sizes before placing your order; the chart does not indicate stock or half-size availability.
Can I measure without a printer?
Measure the inside diameter of a ring that fits your chosen finger, or visit a jeweller for a physical fitting. Avoid stretchy string and measuring directly from an on-screen diagram.