GAD-7 Anxiety Screening Calculator

What the GAD-7 Actually Measures

Not being able to stop or control worrying. That single item is arguably the clinical core of generalized anxiety disorder — not anxiety itself, which everyone experiences, but the sense that the worrying has become unstoppable once it starts. The GAD-7 puts a number on how often that loss of control, and six related symptoms, have shown up over the past two weeks.

Spitzer, Kroenke, Williams and Löwe built the GAD-7 the same way they'd built the PHQ-9 a few years earlier: translate diagnostic criteria into plain questions a patient could answer about themselves, then validate the result against a structured clinical interview. Where GAD's diagnostic picture involves excessive, hard-to-control worry alongside physical symptoms like restlessness and muscle tension, the seven items ask directly about each piece — the worry, the restlessness, the irritability, the sense that something bad is about to happen.

That direct mapping is what separates the GAD-7 from a generic 'anxiety quiz.' It isn't measuring stress, or nervousness as a personality trait. It's tracking the specific symptom cluster clinicians use to consider a GAD diagnosis, over the same fixed two-week window used in the original validation study.

How the Scoring Works

Each of the seven items is scored 0 to 3 depending on how often it applied over the last two weeks — not at all, several days, more than half the days, or nearly every day. Add the seven numbers and the total lands somewhere between 0 and 21.

Unlike the PHQ-9, none of the seven GAD-7 items carries a special weighting or safety flag — there's no question here analogous to the PHQ-9's item on thoughts of self-harm. Every item is scored and read the same way, which keeps the arithmetic simple, but also means the total is a flatter, more literal sum of symptom frequency than a weighted clinical score.

Two people can both land on 11. One scored 2s and 3s on the worry-related items — can't stop worrying, worrying too much, afraid something awful will happen — but close to zero on the physical ones. The other scored the reverse: low on worry, high on restlessness and irritability. Same total, and both clear the moderate-anxiety threshold, but what's actually driving the number is different, which is worth mentioning if you bring the result to someone.

Severity Bands, From Minimal to Severe

Once you have a total, it maps onto four severity bands used in the original validation study and in clinical practice ever since.

A score of 10 or higher is the cutoff the original researchers identified as optimal for flagging probable generalized anxiety disorder. In their validation sample — 2,740 primary care patients, 965 of whom also completed a structured telephone interview with a mental health professional — that threshold caught 89% of confirmed GAD cases (sensitivity) while correctly clearing 82% of people who didn't have it (specificity).

Why a Real Questionnaire, Not a Generic Slider

Searching for a GAD-7 score online tends to surface the same two results. A static PDF, built for a clinic waiting room and scored by hand with a column of pluses. Or a bare-bones calculator aimed at clinicians who already know the seven items by heart and just want the total fast.

What's missing is a version built for someone encountering the instrument for the first time, on their own, who wants the actual validated questions — not a vague 1-to-10 anxiety slider — plus an explanation of the number that doesn't assume a clinical background. That's what this page is: the real seven items, the real 0-21 scoring, and plain language around what the result tends to mean.

Anxiety and Depression Usually Overlap

GAD and depression co-occur often enough that Spitzer and colleagues tested both constructs together when they built this instrument, and factor analysis confirmed they're distinct dimensions that nonetheless travel together in a lot of patients. If your score here runs moderate or higher, it's worth also running the PHQ-9 depression screener — the two were designed as a pair and are often reviewed side by side in primary care.

Stress is a related but different question: is this a reaction to something specific happening right now, or does the worry persist independent of circumstances? The Perceived Stress Scale asks about that distinction directly, and comparing the two numbers can clarify which one is leading.

Several GAD-7 items — trouble relaxing, irritability, restlessness — also show up in burnout. If the strain feels tied specifically to work rather than generalized, the burnout assessment separates out cynicism and job-related exhaustion in a way a generalized anxiety scale isn't built to do.

The Limits of a Self-Report Screener

The GAD-7 can't tell the difference between generalized anxiety and anxiety that's actually a symptom of something else. Hyperthyroidism, excess caffeine, certain medications, and withdrawal from alcohol or sedatives can all produce scores in the moderate-to-severe range without GAD being the underlying cause. A questionnaire has no way to ask about any of that.

It's also a one-time snapshot unless you repeat it. Worry fluctuates with whatever's happening in someone's life that particular week, and a single score — especially one taken during an unusually stressful stretch — can overstate or understate a more stable baseline. The instrument was built to be retaken, and the trend across a few attempts tells you more than any single total.

Self-report always carries some bias, too. People tend to downplay symptoms that feel like an overreaction and inflate whatever feels most pressing that day. None of this makes the score meaningless — it just means a GAD-7 total is a prompt for a conversation, not a verdict read in isolation.

Bringing Your Score to a Conversation

A GAD-7 result is worth bringing to a doctor or therapist exactly as it is — total score, plus which items scored highest. Someone who scores high mostly on worry-related items presents differently than someone whose highest items are restlessness and irritability, even at the same total.

A score of 10 or above is generally a reasonable point to seek a professional opinion, not because the number itself proves anything, but because it crosses the threshold the original research tied to a meaningfully higher likelihood of GAD. A low score after a hard week doesn't rule out checking back in later — anxiety isn't static, and retaking a free two-minute screener costs nothing.

This holds for telehealth as much as an in-person visit. Walking into a short appointment with a score and a sense of which symptoms are driving it gives a clinician a head start that a cold, open-ended question doesn't.