Ring Size 325

Choose your preferred sizing method.

Ring size 325.

If the size is wrong simply send in your ring within 90 days of your purchase and we will resize. Select a size to buy standard and custom o rings from the world s largest inventory network or custom orders can be made within a few weeks. Select i don t know. O ring size chart as568 standard o ring sizes find as568 o ring standard sizes by cross section inside diameter and outside diameter in our o ring size chart and separate o ring tolerance chart.

You will need to print it out and place it on a flat surface. Women s rings are commonly between sizes 3 and 9 while men s rings are usually sized between 8 and 14. With the numbers facing out slip the tip of the ring sizer through the slot. Click here to download our practical ring size guide.

If you have a ring that fits you can use this chart. Print the ring sizer making sure that it is printed to actual size. Cut out the ring sizer and open the slot where marked. Please follow the simple steps below to determine your ring size.

That document published by the society of automotive engineers sae lists the sizes of o rings in six series or groups in both inches and millimeters. We have several ways to help you determine the size of the ring you want. Selecting the i don t know option will allow you to select a ring size later. We need to know the size of the ring early in the design process.

When printing make sure that you do not resize the page at all. Take your best guess and don t sweat it. This ring size method uses a tape measure approach with specific ring metrics. Use our free ring size converter to determine your ring size by circumference or diameter.

Take your best guess. Move the slider until the selected object fits between the boxes to help with proportions.