SUDS Scale: A Free Interactive 0–10 Distress Thermometer
The Subjective Units of Distress Scale, or SUDS, is a 0-to-10 self-rating of how much distress you are in right now. Developed by Joseph Wolpe in 1969, it is one of the most widely used measures in exposure therapy, EMDR, and DBT because it is fast, requires no training, and makes an internal state comparable over time. This page holds a free interactive thermometer that pairs each number with the body cues, thoughts, and coping skills that typically fit that level.
What the numbers mean
0 is complete calm and 10 is the worst distress you can imagine. The scale is deliberately subjective — your 7 does not need to match anyone else’s 7. What makes it useful is internal consistency: once your own anchors are set, the number tracks change reliably. Most people find the middle of the scale hardest to anchor, which is why pairing each level with concrete body cues helps more than trying to rate a feeling in the abstract.
Why clinicians use it constantly
SUDS gives therapy a common unit. In exposure work it identifies which step of a hierarchy to attempt next and confirms habituation when a repeated exposure drops from an 8 to a 4. In EMDR it tracks disturbance across processing sets. In DBT it marks the threshold where distress-tolerance skills replace problem-solving. Across all three, the value is the same: it converts something invisible into something a client and clinician can both point at.
Matching the skill to the number
Most skill failures are matching errors, not skill deficits. Cognitive work, journaling, and problem-solving need a nervous system that is regulated enough to think, which is generally the lower two-thirds of the scale. Above roughly 7, physiological tools do the work instead — temperature change, paced breathing, intense movement, bilateral stimulation. Trying to reason at a 9 usually fails, and then gets misread as the person being resistant or the skill being useless.
Rating separately by setting
A single daily number often hides the pattern. Distress that sits at 2 at home and 8 at work is a very different picture from a flat 5 everywhere, and it points to a very different intervention. This tool lets you rate contexts separately, which tends to surface the specific environment that is actually driving the load.
How to use this tool
- Set the thermometer to the number that matches right now, without adjusting it for what you think it should be.
- Read the body cues and thoughts listed at that level and check the ones that fit — this builds your personal anchors.
- Use the coping skills matched to that level rather than reaching for a favorite skill regardless of intensity.
- Rate again after ten minutes to see whether the number moved.
- Ratings stay in your own browser and can be brought to a therapy session.
Common questions
- What does SUDS stand for?
- Subjective Units of Distress Scale. It was introduced by psychiatrist Joseph Wolpe in 1969 for use in systematic desensitization, and it is now standard in exposure therapy, EMDR, and DBT.
- What is a normal SUDS score?
- There is no normal score, because the scale is calibrated to the individual. What matters is the direction of change over time and the difference between contexts, not comparison with anyone else.
- What should I do at a SUDS of 8 or higher?
- Use physiological regulation before anything cognitive — cold water on the face, paced exhale-longer-than-inhale breathing, or intense brief movement. Reasoning, planning, and reframing generally do not work at that arousal level and are better attempted once the number comes down.
Where this fits
This companion is free psychoeducational self-help. It is not therapy, diagnosis, or crisis care, and it does not replace a licensed clinician. Everything you enter is stored locally in your own browser and is never transmitted to a server.
It lives inside FeelingsHelper Kids & Teens Mode, alongside more than sixty other free companions for autism, ADHD, PTSD, and trauma.
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