How To Measure Your Finger for the Oval-8 Finger Splint

2 November 2020

The Oval-8 Finger Splint is ideal for immobilising the joint to encourage proper healing and joint correction, whether you're suffering from arthritis or a minor finger injury, and can even be purchased in a wide range of sizes for a comfortable fit. 

The most secure way of ensuring an accurate fit is to first measure your finger before selecting the size of finger splint. To help make this process as easy and straightforward as possible, we have compiled this handy guide to measuring your ring size before treating the affected finger with the Oval-8 Finger Splint.

What Is the Oval-8 Finger Splint?

It's worth taking a moment to check that the Oval-8 Finger Splint is the right product for your needs. As the polypropylene finger splint is versatile in its uses, it can help ease pain and discomfort caused by conditions that include, but are not limited to, the following:

  • Mallet Finger
  • Swan Neck and Boutonniere Deformities
  • Trigger Finger/Thumb
  • Lateral Deviation
  • Fractures
  • Arthritis
  • Hypermobility (EDS)
  • Minor finger injury

Whether required for frequent use to provide relief from the effects of such constant and fluctuating conditions as arthritis, or needed to protect the finger against incidental knocks and further damage while a fracture or injury heals, the Oval-8 Finger Splint offers comfortable pressure distribution and adaptability for optimal finger support.

Oval-8 Finger Splint

How Do I Wear the Oval-8 Splint?

Once you're happy that the Oval-8 Splint is the one for you, it's time to identify the correct joint for measuring. The Oval-8 slides onto the finger, with a wide cut-out oval on the underside of the finger preventing bending and a thin bar above the knuckle providing a barrier against knocks or collisions.

You may find the pain is located in the joint closest to the fingernail – known as the distal interphalangeal (DIP) joint – or it may be worse in the middle of the finger, where the proximal interphalangeal (PIP) joint can be found. The part of the finger that you'll measure will depend on the area where you would like the most support from the finger splint.

The diagram below can help you to identify the areas of the hand where the pain is located.

Joints of the Hand

How Do I Measure My Finger?

Once you've identified which part of the finger you're going to be measuring, you can find the size of Oval-8 Finger Splint you need. By following the instructions below, you will be able to accurately measure the circumference of the joint requiring immobilisation.

You may also find it easier if a friend or family member can help out.

  1. Download the printable finger measurer through the link below, or use a tape measure or piece of string. Wrap it around the joint until it fits comfortably just beneath the knuckle. It should not be too tight that it causes further pain or risks cutting off circulation, nor too slack that it feels like it will slip off.
  2. Mark the measurement with a pen. The more accurate you can be with this, the better. If you have recorded the reading on a tape measure, this can be retrieved straight away once you have moved it away from the finger. Otherwise, if you have chosen to measure our finger with the paper measurer or a length of string, you can straighten it out and then use a tape measure or ruler to measure the reading in either centimetres or inches.
  3. Consult the table below to find your size. The required size can then be selected from the drop-down listing on the Oval-8 Finger Splint product page.
Oval-8 Size

Joint Circumference

Size 2 4.3cm (1.75")
Size 3 4.5cm (1.81")
Size 4 4.95cm (1.94")]
Size 5 5.27cm (2.17")
Size 6 5.7cm (2.19")
Size 7 5.86cm (2.31")
Size 8 6.14cm (2.43")
Size 9 6.35cm (2.5")
Size 10 6.82cm (2.69")
Size 11 7.09cm (2.81")
Size 12 7.4cm (2.94")
Size 13 7.65cm (3")
Size 14 8.09cm (3.19")

Downloadable Finger Measurer

If you wish to download and print out a paper finger measurer to find the required size of Oval-8 Finger Splint as accurately as possible, click on the PDF icon below.

Oval-8 Measuring Guide
Downloadable Oval-8 Finger Splint Ring Size Measurer

Measuring the Joint

Measuring the Finger for the Oval-8 Finger Splint

Measuring the Finger for the Oval-8 Finger Splint

Measuring the Finger for the Oval-8 Finger Splint

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