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SIZING

Find your perfect fit

That smart ring on your finger? It’s continually collecting data on over 20 biometrics that directly impact your wellbeing, day and night.
Oura Ring 4 Video
Oura Ring Gen3 Video

Confirm Your Size

Once you've found your perfect fit, confirm your size below.
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Sizing guides

Find your Oura Ring model

Oura Ring 4

Oura Ring 4 has a new design featuring a round interior with flat sensors for a more comfortable fit. Please follow the guide below to find your perfect fit.
Sizing Guide

Oura Ring 4

Oura Ring 4 has a new design featuring a round interior with flat sensors for a more comfortable fit. Please follow the guide below to find your perfect fit.
Sizing Guide

Bought a Sizing Kit From Best Buy® U.S.?

Go back to BestBuy.com to receive your Oura Ring Sizing Kit credit when you purchase an Oura Ring.
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Size In-Store Now

Best Buy®

Visit a Best Buy near you to view all Oura Ring styles and finishes and find your best fit.
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  • Oura Ring 4
  • Oura Ring Gen3
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