Every Oura ring has the same features and functionality, no matter the shape or color you pick.


Learn more about ring sizing.

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Price varies from
299.00 US$ - 999.00 US$

Choose Balance


Price varies from
299.00 US$ - 399.00 US$

Choose Heritage

Sizing Your Oura Ring

We recommend all new users try the free, official Oura ring sizing kit to find their perfect fit. If you’ve previously purchased an Oura or have already used an Oura sizing kit to decide your size, you may choose that option below. Oura ring is available in US ring sizes 6 to 13.

Please choose:


If you already know your size, you can skip the sizing phase. Select your size below and we will not send you a sizing kit.

Play sizing video
  • You can wear the Oura ring on any finger, on either hand. The index, middle and ring finger usually work best.
  • The ring should feel comfortable –especially in the morning when your fingers are slightly larger.
  • The sensor bumps should be underneath your finger.
  • When you try on the ring sizers, make sure your hands are warm. If you're between sizes, it's usually a good idea to choose the larger size.
  • For more information, see our Sizing FAQ.

Not sure about your size?

Choose your size (Us sizes)

The sizes are US ring sizes. If you're not in the US, you can use this conversion chart to convert US ring sizes to international ring sizes.

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