Oura Ring Sizing & Sizing Kit FAQs

The article contains answers to frequently asked questions related to the Oura Ring sizing process and sizing kit.

If you have a question about a pending order, please reach out to us here.

Ring Sizing FAQs

Answers to questions that relate to our ring sizing process and how to determine the right Oura Ring size can be found below.

1. Does Oura offer half sizes?

Oura Rings are not available in half-sizes. We offer 8 sizes—US6-US13. If you're between two sizes, we recommend choosing the smaller of the two.

2. How do I determine the right Oura Ring size?

For tips on how to find the right size for you, check out this article.

A snug fit is important for accuracy, as well as comfort. If your ring is too loose, it may move while you sleep which can result in incomplete or missing data.

3. What if I'm having issues finding the right size?

The smallest size Oura offers is US6. If this is too large for you, try wearing the ring on your thumb. The largest size Oura offers is US13. If this is too small for you, there's not much we can do, unfortunately.

4. Why does Oura recommend I wear the sizing kit rings for 24 hours?

Your fingers change size over 24 hours. If you try on multiple sizes and can’t find one that seems right, try wearing a few different sizes over 24 hours and see which one works best for you.

5. Can I wear my Oura Ring on different fingers?

You can move your ring between fingers and, or hands without any impact on your data. With this in mind, we suggest you go with a snug, yet comfortable fit that allows you to change fingers if you wish to.

Sizing Kit FAQs

Answers to questions that relate to ordering, receiving, and using our free sizing kit can be found below.

1. How do I order a sizing kit?

At this time, we don’t offer the option to buy individual sizing kits.

However, you'll receive a complimentary sizing kit when you purchase an Oura Ring. Simply select the 'Use free specialized sizing kit (highly recommended)' option during the checkout process.

2. When will I receive my sizing kit?

Sizing kits typically arrive within 1 week of order placement. You'll receive a confirmation email with tracking details once your sizing kit has shipped.

3. Can I change my shipping address?

Please submit a request with your order number and new address. Our team will update your order upon receiving your request.

Keep in mind: you’ll only be able to update your address if your sizing kit hasn’t shipped. If your sizing kit has already shipped, you’ll need to get in touch with the carrier of your delivery. To locate the carrier and your tracking number, please reference the confirmation email you received from Oura. Your carrier information will be below your order number.

4. How do I update my order with my ring size?

Visit ouraring.com/sizing and click or tap the 'Confirm Your Size' button to update your order.

Our team will send you an email to log in to your account and update your Oura Ring size.

5. Do I need to return my sizing kit?

You do not need to return the sizing kit once you're finished with it. Instead, feel free to pass it along to a friend or family member who might be interested in Oura. Otherwise, please recycle your sizing kit.

6. What are the differences between the sizing kit rings and Oura Rings?

The sizing kit rings and Oura Rings are the same approximate width and weight. However, please note that, in comparison to the material used in the sizing kit rings, the Oura Ring itself weighs slightly more and has a titanium coating that makes up the outer shell.

It’s important to keep in mind that the sizing kit rings are meant to serve as guidelines for choosing the correct size only, and are not reflective of the quality and feel of the Oura Ring you’ll receive after confirming your size.

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