Here you can find our Free printable O-Ring actual size Chart in order to help you identify the most common O-rings used in the scuba industry today.

First Method - Wrap The Stripper Around Your Finger: Download the graphic in PDF or PNG and print it. Cut out the tape-shaped paper strip below. Cut it accurately on the straight line. Wrap it around your finger Check the given number where the strip overlaps with the line. Match that number with the ring sizes above. That's your fit!

1. Choose a ring that fits the desired finger. 2. Place the ring over the circles below. Match the inside edge of the ring with the closest circle. This is the inside diameter of the ring. 3. If the ring falls between two sizes, select the larger of the two. Inside Diameter Method 1 - Paper Sizer 1. Carefully cut out the paper sizer below.

Printable Ring Size Chart You will find two different ring size guide printables for you to choose from. One is designed for US ring sizes and the other for UK ring sizes. You will find that across the US and Canada, the US ring size is standard for both countries. Therefore if you're Canadian then our US ring sizer chart will work for you too.

Use the dropdown menus below to help find your circumference or diameter measurement. Next, use the chart to see which ring size corresponds to your 

Not every ring size guide will have all of these options, but here are instructions for a few of the most popular tools used in printable ring size charts: Tape-shaped paper strip First, print and cut out the ring sizing strip and create a slit on the line where indicated.

AS568 I.D ± C/S ± O.D I.D ± C/S ± O.D ‑001 0.029 0.004 0.040 0.003 0.109 0.74 0.11 1.02 0.07 2.78 ‑002 0.042 0.004 0.050 0.003 0.142 1.07 0.11 1.27 0.07 3.61 ‑003 0.056 0.004 0.060 0.003 0.176 1.42 0.11 1.53 0.07 4.48

Whether your application conforms to U.S., Japanese JIS, British BS, or Common Metric sizing for o-rings, these o-ring size charts will help you locate the right o-ring size. If the o-ring, quad

The tables in the O-ring Size Chart list approximately 2000 O-ring sizes in order by inside diameter. These O-ring sizes correspond to US Standard AS568, British Standard, Swedish,

The O-Ring Store LLC : O-Ring Size Chart - O-Ring Cord Stock OSK™ Assorted O-Ring Kits OSK™ O-Ring Repair Kits OSK™ Hydraulic Cylinder Seal Kits OSK™ Air 

Use the metric o-ring size chart to find common metric o-ring sizes by cross section, inside diameter, and outside diameter. In addition to standard metric o-ring sizes, thousands of non-standard metric o-rings sizes are available in stock or can be custom-made within a few weeks, usually without additional tooling fees.