Your Health Data

The Oura Ring tracks key signals from your body, delivering critical insights to help you build good habits and harness your body’s potential every day.

During the Day

While you’re awake, Oura captures data that reflects your activity and movement so you can give your body exactly what it needs to reach its full potential.

  • Activity Levels
  • Calories
  • Steps
  • Inactive Times
  • Naps

During the Night

When you’re sleeping, Oura captures meaningful data on your heart rate, body temperature, and more to communicate your body’s progress as it prepares you for the next day.

  • Resting Heart Rate
  • Heart Rate Variability (HRV)
  • Respiratory Rate
  • Body Temperature
  • Light, Deep and REM Sleep
  • Nighttime Movement
  • Sleep Timing and Quality

Ring Specs

  1. Advanced Sensors

    Infrared LEDs, NTC temperature sensors, an accelerometer, and a gyroscope all wrapped around your finger.

  2. Lightweight & Durable

    The Oura ring is made of titanium so it’s scratch-resistant, non-allergenic, and weighs less than .25 oz.

  3. Extended Battery Life

    The Oura ring uses wireless charging to completely charge in one hour. A single charge lasts up to seven days.

  4. Water Resistant

    The non-metallic seamless inner molding is fully water-resistant.

A woman with her chin on her knee wearing the Oura Ring


How to find the perfect size using the kit

  1. Choose Your Size

    You can wear your ring on any finger, on either hand. We recommend a snug fit that still allows the ring to be removed without much difficulty. The index, middle, and ring finger usually work best.

  2. Sleep On It

    It’s normal for your finger size to change slightly over the course of the day. Wear your sizing ring for 24 hours to ensure that it’s comfortable both day and night.

  3. Order Your Ring

    Now that you know your size, visit '' and add your correct size to cart. Enter your unique code at checkout to redeem the ring.

How does Oura measure my heart rate?

Oura measures your resting heart rate during sleep and rest by detecting changes in your Blood Pulse Volume (PPG). The measurements are done from the arteries on the palm side of your finger using two infrared LEDs.

Does Oura track my heart rate during exercise?

No, Oura doesn’t track heart rate during exercise or other activities. The ring tracks your resting heart rate while you sleep, and during restful moments during the day.

Can I wear the ring at the gym?

You can, but to protect your finger and your ring, we don’t recommend it. Like regular jewelry, Oura can scratch if worn while lifting weights or gripping bars, or when scraping against metal, ceramics or stone.

How does Oura measure my heart rate variability?

Oura tracks your heart rate variability (HRV) while you sleep, and during restful moments during the day. It calculates your HRV from the rMSSD, a well-known HRV parameter that provides a good view on your Autonomic Nervous System activity.

How does Oura measure my body temperature?

Oura registers your body temperature reading every minute while you sleep. The Oura app doesn’t show absolute temperature values in Fahrenheit or Celsius, instead it shows how your body temperature changes around your own personal baseline over days, weeks and months.

Can I put the Oura ring in airplane mode?

Yes, if you prefer to keep Bluetooth off completely, you can enable ring airplane mode to cut all radio transmission from the ring. Oura uses Bluetooth to sync your ring’s data with the app and to send notifications, but it doesn’t need to be connected to your phone to collect data. The ring can store data for up to 6 weeks. Just take your ring out of airplane mode and it will begin syncing all your stored data.

My Redemption Code isn’t working

Make sure you are typing the letters and numbers exactly, and that your order is for the same ring style as your sizing kit. For help visit