A blood pressure of 118/65 is a good reading. It falls squarely in the “Normal” category under the 2025 American Heart Association guidelines, which define normal blood pressure as a systolic (top number) below 120 and a diastolic (bottom number) below 80. You’re just under the threshold where readings start to be classified as “Elevated,” which begins at 120/80.
Where 118/65 Falls on the Scale
The current U.S. blood pressure categories are straightforward:
- Normal: below 120 systolic and below 80 diastolic
- Elevated: 120 to 129 systolic with diastolic still below 80
- Hypertension Stage 1: 130 to 139 systolic, or 80 to 89 diastolic
- Hypertension Stage 2: 140 or higher systolic, or 90 or higher diastolic
At 118/65, both numbers sit comfortably in the normal range. These categories apply the same way regardless of age. The major clinical trials that shaped the guidelines didn’t break results down by age group, so there’s no separate “normal” for someone who’s 25 versus someone who’s 70.
How It Stacks Up for Heart Health
Normal is good, but research from the National Heart, Lung, and Blood Institute suggests that even within the normal range, lower tends to be better. In a large study tracking cardiovascular events over 10 years, people with systolic pressure between 110 and 119 had about 4.5 events per 1,000 people. Those in the 120 to 129 range, still technically normal or just barely elevated, had nearly double that rate at 8.3 per 1,000. The lowest risk group had systolic readings between 90 and 99, with only 1.3 events per 1,000.
Your systolic reading of 118 puts you toward the higher end of the normal bracket but still well within a healthy zone. There’s no reason to try to push it lower unless you have other cardiovascular risk factors your doctor is watching.
Is 65 Too Low for Diastolic?
A diastolic reading of 65 is not considered low in a clinical sense. There’s no official lower cutoff for “normal” diastolic pressure. Most healthcare professionals only consider blood pressure too low when it causes symptoms, not based on a number alone. Some people naturally run diastolic readings in the 60s or even 50s and feel perfectly fine.
If you’re not experiencing dizziness, lightheadedness, fatigue, blurry vision, or fainting, a diastolic of 65 is nothing to worry about. These symptoms matter far more than the number itself. Older adults are more prone to feeling the effects of lower diastolic pressure, especially when standing up quickly after sitting or lying down, a phenomenon called orthostatic hypotension.
What Your Pulse Pressure Tells You
Pulse pressure is the gap between your two blood pressure numbers. For a reading of 118/65, that’s 53 mmHg. A typical pulse pressure is around 40 mmHg, and anything under 60 is generally considered healthy. At 53, yours is right in a comfortable range. A pulse pressure that creeps above 60 can sometimes signal stiffening of the arteries, while a very narrow one (below 25) can indicate the heart isn’t pumping effectively. Neither applies here.
Make Sure the Reading Is Accurate
A single blood pressure reading is a snapshot, not a portrait. Several common factors can skew results by a surprising amount. A full bladder alone can inflate your systolic number by as much as 33 mmHg. Anxiety during the measurement (the “white coat effect”) can add up to 26 mmHg. Even arm position matters: if your arm is resting below heart level, the reading can be 4 to 23 mmHg higher than your true pressure.
Smaller details count too. Crossing your legs at the knees, talking during the measurement, or using the wrong cuff size can all introduce errors. For the most reliable picture of your blood pressure, take readings at home on multiple days, sitting quietly with your feet flat on the floor and your arm supported at heart level. Two or three readings a few minutes apart, averaged together, will give you a much more trustworthy number than a single check at the pharmacy or doctor’s office.
If your 118/65 was a one-time reading, it’s encouraging but worth confirming with a few more measurements over the course of a week or two. If you consistently land in that range, you can feel confident your blood pressure is in a healthy spot.