Free screening · Nathan Peterson, LCSW

OCD Severity Test: How Severe Is My OCD?

If you already know OCD is part of your life, the next useful question is how much of your life it's taking. I wrote this free screening to look at how many hours go to the thoughts and rituals, how much they get in the way, and how much say you feel you have. Take it now, take it again in a month, and you'll have something more reliable than how today happens to feel.

  • Hours a day going to the thoughts
  • Hours a day going to the rituals
  • How much it gets in the way
  • How much distress it causes
  • How hard it is to resist
  • How much say you feel you have

Free, about 2 minutes Written by an OCD therapist

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How many hours a day do I have obsessive thoughts?

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How much do my obsessive thoughts interfere in my life?

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How bothersome are the obsessive thoughts I experience?

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How successful am I at moving past my obsessive thoughts?

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How much power do I feel I have over my obsessive thoughts?

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How many hours a day do I engage in a compulsion?

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How much do my compulsions interfere in my life?

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If someone stopped me from doing compulsions, how anxious would I feel?

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How successful am I at not doing my compulsions?

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How much power do I feel I have over my compulsions?

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About this test

What an OCD severity score measures

A severity score isn't a second opinion on whether you have OCD. It assumes that part and asks a different question: how much room is OCD taking up right now? That includes the hours in your day, the plans you've changed, how much distress the thoughts bring, and how hard the rituals are to skip once one starts.

OCD therapists use a measure like this at the start of treatment and every so often after it, because it's hard to judge your own progress. A rough Tuesday can wipe out the memory of six decent weeks. A number written down doesn't do that.

This screening isn't the Y-BOCS. It's a free educational tool I wrote based on my clinical experience. The Y-BOCS is a structured interview given by a trained clinician, and this doesn't replace it or give you a diagnosis.

The levels

What mild, moderate, severe, and extreme mean

Severity sits on a range, and the hour counts below are rough markers clinicians use. Read them as a description of a week in your life, not a label stuck on you.

Under 1 hour a day Mild The thoughts and rituals are there, and you can usually get on with the day around them. You can leave some compulsions alone. Things get skipped now and then, but your life still looks like yours.
1 to 3 hours a day Moderate OCD is now costing you something you can see, like time at work, patience with people you love, or sleep. Resisting a compulsion is possible, and it's hard. This is a common place to start treatment.
3 to 8 hours a day Severe Most areas of life are affected at once. The distress stays high for most of the day, and skipping a ritual feels close to impossible on your own. This is still treatable, and it's worth getting help with.
More than 8 hours a day Extreme The thoughts and rituals run almost nonstop, and ordinary functioning stops. Getting professional support soon matters here, including a conversation about a higher level of care.

These levels are guides, not boxes. You can move between them depending on stress, sleep, a new theme showing up, or a season of life. The trend over months tells you more than any single result.

What gets measured

The five things this test looks at

The test asks about obsessions and compulsions separately, and about the same five things for each. This is the structure OCD specialists use.

  • Time. How many hours a day go to the thoughts, and how many go to the rituals
  • Interference. What OCD is costing you at work, at home, and with the people around you
  • Distress. How bad the anxiety, guilt, or dread gets when a thought lands or a ritual is blocked
  • Resistance. How often you try to leave a compulsion alone
  • Control. How much say you have once the urge starts

Resistance and control are separate, and that surprises people. You can fight hard and still lose most of the time. That combination is worth knowing about, because it points to treatment, not willpower.

Mental rituals count. Reviewing, arguing with a thought, replaying a memory to check it, praying to cancel something out, silently reassuring yourself. None of it shows from the outside, and all of it goes in your hour count. Leave it out and your score will read lower than your life feels.

Tracking

Using a severity score to see progress

OCD recovery doesn't move in a straight line. There are good weeks, and there are weeks where an old theme comes back. A score you took a month ago gives you something to compare against when this week is telling you nothing has changed.

  • See progress that a bad day is hiding from you
  • Spot patterns, like a spike around the same time every year or after a big change
  • Tell your therapist how the weeks between sessions went
  • Catch a climb early, while it's still a small adjustment
Then leave it alone. Every four to six weeks is plenty. Taking this test weekly, or twice in one evening because the first score didn't feel right, turns the test into a compulsion. If you notice you're here for a number that settles you, closing the tab is the exposure.

Bring the number to your therapist or write it in a note on your phone, and then get on with your week.

About this test

Who wrote this and what it can tell you

I'm Nathan Peterson, LCSW, a licensed therapist who specializes in OCD and anxiety, and I wrote this free screening. It measures how severe your OCD is right now across obsessions and compulsions, and gives you a plain picture of how much of your life it's holding.

It isn't a diagnosis, it isn't the Y-BOCS, and it doesn't replace an assessment by a licensed professional. It's useful for one thing: a starting number, and a way to check the direction you're heading.

Licensed therapist, LCSW
10,000+ course students
200K+ YouTube subscribers
Penguin Random House author
Nathan Peterson, LCSW

Written and reviewed by

Nathan Peterson, LCSW

Licensed clinical social worker specializing in OCD and anxiety. He runs the OCD & Anxiety YouTube channel with more than 200,000 subscribers, teaches the Master Your OCD course to more than 10,000 students, and wrote Your OCD Will Hate This Book for Penguin Random House.

Last reviewed October 2026

FAQ

Common questions about OCD severity

How is OCD severity measured clinically?

The standard tool is the Yale-Brown Obsessive Compulsive Scale, usually called the Y-BOCS. A trained clinician walks you through it as a structured interview and scores obsessions and compulsions across time, interference, distress, resistance, and control. This screening borrows that structure. It isn't the Y-BOCS, and I wrote it independently. For a formal score, see an OCD specialist.

Does a high score mean I need residential treatment?

No. A score is one piece of information, not a placement decision. Weekly outpatient ERP can work well even in the severe range. Intensive outpatient and residential programs exist for when daily functioning has stopped, and that decision gets made with an OCD specialist who knows your situation, not by a number on a page.

How often should I take this test?

Every four to six weeks if you're in treatment. That's often enough to see a trend and rare enough that it stays a measurement instead of a ritual.

Watch the pull to retake it. Wanting a fresher number, or one that finally feels right, is OCD asking for certainty in a new outfit. One score, then close the tab.
My score came out lower than I expected. Does that mean I don't have OCD?

No. Severity describes this stretch of time, not whether OCD is there. Scores run low during calm periods, and they also run low when avoidance is doing the heavy lifting, because a life built around your triggers feels quieter than it is. A low score with an active OCD pattern still deserves treatment.

My score came out higher than I expected. What now?

Often it means you counted your mental rituals for the first time, and the hours were always there. It's unpleasant information, and it's useful. Take it to an OCD-trained therapist, or start with the free lessons below if therapy isn't an option yet.

Can severity change over time?

Yes, a lot. It moves with stress, sleep, life changes, and whether you're in treatment. With ERP, severity often comes down. Left alone, OCD tends to spread, with new themes showing up and rituals getting longer.

What should I do if my results come back severe or extreme?

Get in touch with an OCD specialist soon, not when it's a better time. Severe OCD responds to treatment, and having someone build the exposures with you matters more at this level, because the steps need to be hard enough to work and small enough to do. If you're in crisis or can't get through a day, contact your doctor or a crisis line first. In the US you can call or text 988.

Keep going

Other free places to start

Free tests The other OCD tests Screenings for specific themes, two minutes each. Free lessons Watch a lesson Lessons from the course, no payment. Read more OCD treatment How ERP works and what to look for in a therapist. The book Your OCD Will Hate This Book What I'd tell you in a session, written down.

Ready to work on it?

Master Your OCD walks you through ERP step by step, so the hours going to OCD start coming back to you. Take the test again in six weeks and see where the number sits.

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