
You got your calcium score back. Is your number normal for someone your age?
A calcium score — also known as a coronary artery calcification score or Agatston score — comes from a quick CT scan that measures your coronary artery calcium (CAC). This is the amount of calcified plaque in your heart arteries. The higher your score, the higher your risk of heart attack or stroke.
Your calcium score increases as the years go by. For this reason, there’s no single “normal” calcium score — instead, you’ll need to consider how your number compares to other people your age and sex, which is what your doctor might call your “calcium score percentile.”
Below, you'll find what's typical in your 40s, 50s, 60s, and 70s, the research behind those patterns, and a way to check exactly where you land.
Key Takeaways
- There's no single "normal" calcium score. It depends on your age and sex, so looking at your percentiles can be helpful.
- Our calcium score calculator is useful for comparing your calcium score to the average score for your age and sex.
- In your 40s and 50s, a calcium score of zero is common, especially for women.
- Men's scores tend to climb earlier and higher than women's, particularly in your 50s and 60s.
- By your mid-70s, having some calcium becomes the norm rather than the exception.
- A calcium score doesn’t show the full picture. A more advanced heart scan, called CCTA, can show you the full picture.
There's No Single "Normal" Calcium Score
A calcium score that would raise eyebrows in your 40s can be less concerning in your 70s.
The same raw number means something different depending on your age, because calcification adds up over your whole life. That's why a calcium score chart considers two main things: the number itself, and your age when you got it.
A calcium score of 80 in someone in their mid-40s would put them well ahead of most of their peers, a sign worth discussing with a doctor sooner rather than later. That same score of 80 in someone in their mid-70s might be unremarkable, since it's more common at that stage of life.
Your calcium score naturally increases as you age, because plaque buildup in your arteries usually happens slowly, over years. Calcification tends to show up later in that process, as older, more established plaque hardens.
A few things determine how fast your plaque builds up:
- Cholesterol, especially LDL, since it’s the particle that actually deposits into artery walls
- Blood pressure, which damages the arterial lining over time
- Blood sugar and insulin resistance, both of which promote inflammation in the arteries
- Chronic inflammation, which speeds up how quickly plaque forms and hardens
- Genetics and family history, since some people are simply predisposed to build plaque faster
- Whether or not you smoke
Even people with healthy lifestyles and no pre-existing conditions may see their score rise somewhat over time. This simply happens because their arteries have been exposed to blood flow, pressure, and the ordinary wear of aging for longer.
A rising number by itself may not be a red flag. What is a red flag is having a high calcium score for your age.
If your score is high for your age, or if you have other risk factors your calcium score alone can't explain, a coronary CT angiogram can genuinely help clarify your risk. Unlike a calcium score, it can show soft plaque too, which gives your doctor a fuller sense of what's actually happening in your arteries, not just how much of it has calcified.
Learn moreWhat Is a Calcium Score Test? A Complete Guide to CAC ScreeningThe MESA Study: Where Age and Sex Percentiles Come From
So how do doctors actually know what's typical for a given age? Most of that knowledge traces back to one long-running research project, the Multi-Ethnic Study of Atherosclerosis, or MESA.
MESA is a large, NIH-funded study that has followed thousands of adults across White, Black, Hispanic, and Chinese backgrounds since the early 2000s, tracking their calcium scores and which participants went on to develop heart problems. A 2006 analysis of that data was the first to map exactly how calcium scores are distributed by age, sex, and race. This research helps clinicians figure out your score in relation to people like you.
That's part of why an interactive calculator gives you a sharper answer than a static chart. It can account for your specific age, sex, and ethnicity all at once, rather than a single average line.
For example, let’s say a 55-year-old man gets a calcium score of 40. On its own, that number doesn't say much. But if MESA data shows that a 40 puts him at the 80th percentile for men his age, meaning his score is higher than 80 percent of similar men, that's a much more useful piece of information than the raw number alone. It tells him and his doctor that his plaque burden is running ahead of most of his peers, which is exactly the kind of context a static chart can't offer.
Average Calcium Score by Age
Keep in mind these are population patterns, not individual verdicts. Two people the same age can have quite different scores and both still be within a normal range for their peers.
| Age Range | Typical Pattern in Women | Typical Pattern in Men |
|---|---|---|
| 40s | A score of zero is expected for most | Zero is still typical, though some men begin to show a small, measurable score |
| 50s | A score of zero remains common | Scores often start climbing into the single digits |
| 60s | Nonzero scores become more common, though many stay low | Double-digit scores are common |
| 65 and 70+ | Some measurable calcium is close to universal | Higher scores, often well into the hundreds, become common |
Calcium Score by Age in Your 40s
In your 40s, a calcium score of zero is still the expectation, not the exception, especially for women.
Research on adults aged 30 to 45 found that any measurable calcium at all was enough to place women in the study above the 90th percentile for their age. Men crossed that same threshold slightly earlier on average, with White men typically reaching it around their mid-30s and Black men a few years after that.
If you're in your 40s and your score is anything above zero, it's worth paying attention to, even if the number itself looks small. At this age, any score at all is more unusual than it will be later on.
What this means for you: if you're in your 40s, it may be early for a calcium score test. But it can still be worthwhile, especially if you have a family history of early heart disease, since catching anything at all this young is genuinely useful information.
Average Calcium Score at 50
By your 50s, a score of zero is still common for women. Men's scores, meanwhile, typically start edging up from zero into the single digits for many, though this varies widely from person to person. This is also the decade when the gap between men's and women's scores tends to widen, partly tied to the hormonal shifts around menopause.
What this means for you: your 50s are often when a calcium score test starts to be more necessary, since this is exactly the age range where borderline risk decisions, like whether to start a statin, tend to come up. If your doctor is on the fence about your risk, this is a good decade to ask about testing.
Average Calcium Score at 60
In your 60s, a nonzero score becomes common for both sexes, though men's scores are typically noticeably higher on average. It isn't unusual for men in this decade to have scores in the double digits, while many women's scores stay lower, even as they start rising too.
What this means for you: a nonzero score in your 60s isn't cause for alarm on its own, but it's a good prompt to check where you actually fall against your peers rather than assuming a number in the double digits is automatically a problem.
Average Calcium Score at 65 to 70
By your mid-60s and into your 70s, having some calcium in your arteries becomes the norm rather than the exception.
At this stage of life, the more useful question usually isn't whether you have any calcium at all. It's where your specific number falls relative to others your age, which is exactly what a percentile answers and a raw score alone can't.
What this means for you: at this age, focus less on whether you have any calcium at all, since you likely do, and more on your percentile and how it's trending over time if you've had more than one scan.
Average Calcium Score at 75+
At this age, a score of 100 or more is common. It’s rare to have a score of zero.
One study following adults age 75 and older found that only about one in nine had a score of zero, and for most sex and race groups, half the population already had a score above the 100 mark by that age.
What this means for you: a score of 100+ at 75 and older doesn't carry the same weight it would at 45. Your doctor will weigh it alongside your overall health and life expectancy, not treat it as an automatic red flag the way a similar number would at a younger age.
Percentile vs. Raw Score: Why They're Not the Same Thing
A calcium score of 100 means something very different depending on when you got it.
In your mid-40s, that number could put you above the 90th percentile for your age, a real signal that plaque is building earlier than typical. In your mid-70s, the same score might land you closer to the middle of the pack.
This is the whole reason percentiles exist. Your raw score tells you how much calcified plaque was found. Your percentile tells you whether that amount is ordinary, ahead of schedule, or behind it, for someone your age and sex. Both numbers matter, but they answer different questions.
Learn moreCalcium Score Ranges: What Your Results and Report Actually MeanCheck Your Own Percentile
Population averages can only tell you so much. Your actual percentile also depends on your sex and, to some degree, your ethnicity, and a static chart can't fully capture that.
Two people the same age and the same raw score can land in very different percentiles once sex and ethnicity are factored in, which is exactly why a single chart doesn't cut it.
Veevo's calcium score percentile calculator does this instantly. Enter your age, sex, ethnicity, and score, and it returns your percentile using the same MESA-based approach doctors rely on, plus separate reference data for adults in their 30s and early 40s.
Broadly speaking:
- A percentile below the 25th mark means less calcified plaque than most people your age
- A percentile between the 25th and 75th mark puts you closer to the middle for your age and sex
- A percentile above the 75th mark means more plaque than expected for your age, which is worth a closer look
Check Your Calcium Score Percentile
What to Do With Your Calcium Score Percentile
If your percentile comes back higher than expected, it’s important to have a conversation with your doctor about further testing and treatment options.
A high calcium score may mean you need treatments, like:
- Statins, which lower LDL cholesterol and help stabilize existing plaque
- Newer treatments like bempedoic acid, Ezetimibe, and PCSK9 inhibitors to help manage cholesterol
- Blood pressure and blood sugar management, since both continue to drive further plaque buildup if left unchecked
- Healthy lifestyle changes, like a heart-healthy diet, exercise, and quitting smoking
You may need to have further testing to determine your risk of heart disease, including:
- A CCTA heart scan, which picks up on soft plaque. Soft plaque is prone to rupturing, which can lead to blood clots, sudden heart attacks, or strokes.
- Blood tests, such as a standard lipid panel, apolipoprotein B (apoB), lipoprotein(a) (Lp(a)), hs-CRP for inflammation, and HbA1c for blood sugar
If you have symptoms of heart conditions, such as chest pain, shortness of breath, unusual fatigue, dizziness, or a racing or irregular heartbeat, your doctor may order other tests, like:
- Electrocardiogram
- Echocardiogram
- Stress tests
- MRI angiogram
- Cardiac catheterization
These tests can give you a more complete picture of your heart health.
Read moreCT angiogram vs calcium score: which heart scan should you get?The Bottom Line on Calcium Scores By Age
There's no single normal calcium score. What's normal shifts with age, because calcification adds up over decades and climbs for nearly everyone as time passes.
The most meaningful way to read your number is to compare it against people your own age and sex, which is exactly what MESA-based percentiles were built to do. If you haven't already, check your own percentile instead of guessing from an average.
One more thing worth knowing: even a perfectly age-appropriate calcium score only tells part of the story. It measures calcified, hard plaque, but it has no way of seeing soft plaque, which can make up a large share of total plaque volume in some people. That's the gap a coronary CT angiogram is built to close.
See the Full Picture, Not Just the Calcium
Your calcium score is a solid starting point, but it can only see plaque that's already calcified. Our CCTA heart scan shows both hard and soft plaque, so you know exactly where you stand, whatever your age.
References
- Javaid A, Dardari ZA, Mitchell JD, et al. (2022)
Distribution of coronary artery calcium by age, sex, and race among patients 30-45 years old.
- McClelland RL, Chung H, Detrano R, et al. (2006)
Distribution of coronary artery calcium by race, gender, and age: results from the Multi-Ethnic Study of Atherosclerosis (MESA).
- Mohan J, Shams P, Bhatti K, et al. (2024)
Coronary Artery Calcification.
- Wang FM, Cainzos-Achirica M, Ballew SH, et al. (2023)
Defining demographic-specific coronary artery calcium percentiles in the population aged 75 and older: the ARIC study and MESA.