If you're asking whether the Oura Ring tracks blood pressure, the answer depends on which model you have. Ring 4 does not. Ring 5, launched in May 2026, introduced a feature called Blood Pressure Signals, but it works differently from what most people expect when they hear "blood pressure tracking."

This guide explains exactly what each ring measures, how Blood Pressure Signals actually works, and what it can and can't tell you about your cardiovascular health.

Key Takeaways

• Oura Ring 4 does not track blood pressure.

• Oura Ring 5 (launched May 2026) includes Blood Pressure Signals, a nighttime PPG-based trend tracker. It does not give you systolic or diastolic readings.

• Blood Pressure Signals detects cardiovascular patterns and dipping trends during sleep. It's a wellness monitoring tool, not a clinical measurement device.

Oura Ring 4: No Blood Pressure Tracking

The Oura Ring 4 ($349) measures heart rate, heart rate variability, blood oxygen (SpO2), skin temperature, and movement. These signals feed into scores for sleep, readiness, activity, and stress. What it does not do is track blood pressure in any form.

There's no PPG-based blood pressure estimation, no manual cuff input, and no cardiovascular trend monitoring beyond what heart rate and HRV data can suggest. If you're on Ring 4 and looking for blood pressure insights, you need either a dedicated blood pressure device or an upgrade to Ring 5.

Oura Ring 5: Blood Pressure Signals (Sort Of)

The Oura Ring 5 ($399, plus $5.99/month for Health Radar features) added blood pressure monitoring under a new platform called Health Radar. The core feature is called Blood Pressure Signals.

Here's the important distinction: Blood Pressure Signals does not give you a systolic/diastolic reading the way a blood pressure cuff does. It does not tell you "120 over 80." Instead, it analyzes nighttime PPG (photoplethysmography) data across 30-day windows to detect patterns that may indicate cardiovascular strain. Think of it as trend monitoring, not measurement.

Health Radar also includes Nighttime BP, which tracks whether your blood pressure follows the normal nighttime dipping pattern. In healthy individuals, blood pressure drops during sleep. When that pattern doesn't occur consistently, it can signal early cardiovascular risk. Oura surfaces this as a health signal rather than a clinical result.

How Blood Pressure Signals Works

Oura's approach analyzes data during sleep specifically because nighttime provides the cleanest biometric signal. During the day, your blood pressure fluctuates in response to movement, stress, caffeine, and dozens of other factors. While you sleep, those variables are minimized, and the underlying cardiovascular patterns are easier to detect.

The ring uses PPG sensors, the same optical technology that measures heart rate, to detect subtle changes in blood vessel behavior over time. Machine learning models trained on clinical data interpret those patterns across 30-day rolling windows. The output is a trend signal: is your cardiovascular profile stable, improving, or showing signs of strain?

Oura developed Health Radar with over 40 in-house medical professionals, and the feature is described as a wellness tool, not a diagnostic one. That's a meaningful distinction for how to interpret the data.

Can It Replace a Blood Pressure Cuff? No

A traditional blood pressure cuff (sphygmomanometer) measures the actual pressure your blood exerts on artery walls, expressed as two numbers: systolic pressure (during a heartbeat) and diastolic pressure (between beats). Oura Ring 5's Blood Pressure Signals does not produce these numbers.

If you have hypertension, are monitoring cardiovascular risk, or need blood pressure readings for a medical provider, you still need a cuff. The Oura Ring 5 can tell you whether your nighttime cardiovascular patterns look stable over a month. It cannot tell you your blood pressure at any given moment.

Ring 5 does allow you to log manual blood pressure cuff readings directly in the app via a feature called Cuff Inputs. These manual readings feed into the trend analysis, giving the algorithm additional data points to work with. So the ring works best as a complement to a cuff, not a replacement.

What Else Does the Oura Ring Measure?

Beyond the blood pressure question, Oura Ring's core tracking is in sleep and recovery. Both Ring 4 and Ring 5 track:

• Sleep stages (light, deep, REM) and total sleep duration

• Heart rate variability (HRV) during sleep

• Resting heart rate

• Blood oxygen saturation (SpO2)

• Skin temperature variations (useful for illness detection and cycle tracking)

• Activity and step count during the day

• Stress and recovery scores

The Readiness Score is Oura's flagship output: a daily composite of how recovered your body is and how ready it is for cognitive and physical demands. HRV is the primary driver of this score. For a detailed breakdown of HRV accuracy in wearables, this comparison of Apple Watch HRV accuracy gives useful context on how different sensors perform. If you want to understand HRV monitoring hardware broadly, the HRV biofeedback device buying guide covers what to look for.

How Oura Data Powers Smarter Daily Scheduling

The Readiness Score and sleep data from your Oura Ring are most useful when they actually change how your day is structured. Knowing you're at 63% readiness is interesting. Knowing that your most cognitively demanding work has been automatically moved to tomorrow, when your recovery is projected to be higher, is actionable.

Lifestack connects directly to Oura Ring data and builds your daily task schedule around it. On days when your readiness is low, Lifestack deprioritizes deep work and schedules lighter tasks. On high-readiness days, it protects the morning for the work that requires full cognitive capacity. The scheduling adapts to your actual physiological state rather than a fixed template.

This is the most practical use of Oura data: not just reading your scores each morning, but having those scores feed directly into a system that changes what you do and when. Lifestack costs $7/month or $50/year with a 7-day free trial. For a broader look at what pairs well with Oura, see the best apps to use with Oura Ring and the best circadian rhythm apps for pairing sleep data with a daily schedule.

Frequently Asked Questions

Does Oura Ring 4 track blood pressure?

No. The Oura Ring 4 does not include any blood pressure tracking, estimated or otherwise. It measures heart rate, HRV, SpO2, skin temperature, and movement. If blood pressure monitoring is important to you, you'll need to upgrade to Ring 5 for Oura's Blood Pressure Signals feature, or use a dedicated blood pressure cuff.

Does Oura Ring 5 track blood pressure?

Partially. Oura Ring 5 includes Blood Pressure Signals as part of the Health Radar platform, available with a $5.99/month membership on top of the $399 ring price. Blood Pressure Signals monitors nighttime PPG patterns across 30-day windows to detect cardiovascular strain trends. It does not provide systolic or diastolic readings. It's a wellness trend monitor, not a blood pressure cuff replacement.

What does Oura Ring measure for heart health?

The Oura Ring measures heart rate variability (HRV), resting heart rate, blood oxygen saturation (SpO2), and, on Ring 5, Blood Pressure Signals via nighttime PPG. HRV is the most clinically relevant output for most users: low HRV is associated with stress, poor recovery, and higher cardiovascular risk, while improving HRV trends are associated with better fitness and recovery. For more on HRV tracking, see the best sleep tracking apps comparison.

How accurate is Oura Ring's blood pressure tracking?

Oura Ring 5's Blood Pressure Signals is not designed to be clinically accurate in the traditional sense. It doesn't measure systolic or diastolic pressure. It detects nighttime PPG patterns across 30-day windows and flags when those patterns suggest cardiovascular strain. Oura positions it as a wellness monitoring tool, not a medical diagnostic. For clinical blood pressure readings, a validated blood pressure cuff remains the standard.

Is the Oura Ring worth it for blood pressure monitoring specifically?

If blood pressure monitoring is your primary goal, the Oura Ring 5 alone is not sufficient. You'd still need a cuff for actual readings. Where the Ring 5 adds value is in continuous nighttime trend monitoring you couldn't otherwise get: passively detecting whether your cardiovascular patterns during sleep are stable or changing, without any daily manual measurement. If you're already interested in Oura for sleep and recovery tracking, the Blood Pressure Signals feature is a useful addition rather than a standalone reason to buy.