Free tools
Perceived Stress Scale (PSS-10)
Ten questions, two minutes, a research-grade reading of how much stress you've been carrying. The PSS is one of the most widely used stress instruments in psychology.
In the last month, how often have you been upset because of something that happened unexpectedly?
About the Perceived Stress Scale
The PSS was developed by Sheldon Cohen in 1983 and has been translated into dozens of languages. Unlike a diagnostic, it doesn't ask whether you 'have stress' — it asks how often you felt out of control or unable to cope in the last month. That matters because stress isn't an event; it's your relationship to the event. A score is a snapshot, not a verdict. Retake it every few weeks and watch the trend, not the number.
What the PSS measures (and what it doesn't)
The Perceived Stress Scale measures subjective stress — how overwhelmed or out of control you've felt — not objective life events. This distinction matters. Two people can face the same deadline and score very differently, because stress is mediated by appraisal: whether you believe you have the resources to cope. Cohen's research showed that perceived stress predicts health outcomes better than counting stressful events, because it captures the psychological load that events impose. The PSS-10 is the shortened version of the original 14-item scale, and has been validated in populations ranging from college students to cardiac patients, in over 30 languages. It is not a clinical diagnostic tool — it won't tell you whether you have an anxiety disorder or depression. What it does is give you a number you can track over time, so that when life shifts (a new job, a loss, a move), you can see whether your internal load shifted with it. Scores between 0–13 are considered low, 14–26 moderate, and 27–40 high. These bands come from population studies, not clinical cutoffs — a 'high' score doesn't mean something is wrong with you, it means your nervous system has been carrying a lot.
How to take the test
- 1
Answer each of the 10 questions honestly. There are no right or wrong answers — pick the option that best matches your experience over the last month.
- 2
Some questions are phrased positively (e.g., 'felt confident about handling problems'). These are reverse-scored automatically — just answer what's true for you.
- 3
After the last question, you'll see your total score (0–40) and a plain-language interpretation of what it means.
- 4
Write down your score and the date. Retake the test every 2–4 weeks. The trend matters more than any single number.
When to take it
The PSS is designed to reflect the last month, so it's most useful as a periodic check-in rather than a daily mood tracker. Take it when something significant has changed — a new job, a move, a relationship shift, a health scare — to see how your internal load responded. Take it if you've been feeling 'off' but can't tell if it's serious or just a rough week. Take it before starting a new wellness habit (exercise, meditation, therapy) and again a month later, to see whether it's helping. And take it if you're simply curious — baseline measurements are valuable even when nothing feels wrong.
Common questions
My score is high. Should I be worried?
A high score means you've been carrying a lot of perceived stress in the last month. It's not a diagnosis. It's a signal to pay attention — to consider what's driving the load, whether anything can be lightened, and whether talking to someone (a friend, a doctor, a therapist) would help. One high score is data, not a verdict.
Can I take it more often than once a month?
You can, but the questions ask about 'the last month,' so taking it weekly will mostly repeat the same answers. For tracking shorter-term changes, pair the PSS with a daily mood check-in. Use the PSS monthly to see the bigger picture.
Is this the same test doctors use?
The PSS-10 is widely used in both research and clinical settings, but clinicians often combine it with other assessments. This self-test gives you the same questions and scoring, but it's for self-reflection — not a substitute for a professional evaluation.
Why are some questions worded positively?
The PSS includes both negative items ('felt unable to cope') and positive items ('felt on top of things') to reduce response bias. The positive items are reverse-scored automatically — you don't need to do any math, just answer honestly.
These tools are for self-reflection and education, not diagnosis or medical advice. If you're in crisis, please contact a professional or local emergency services.
When you're ready
Want to track how these moments change over time?
MoodEvo is a gentle mood journal — one minute a day to notice patterns behind the hard moments. Free, private, no streak guilt.