The Intolerance of Uncertainty Scale (IUS-12) is a 12-question test that measures how strongly you react to uncertainty or not knowing what will happen.
It looks at how much uncertainty makes you feel as some people are generally ok with it while others find it very hard to tolerate.
Free to try · Responses are private & encrypted

Clinical Psychologist & CBT Therapist, BABCP
“Offload is a fantastic resource for both clients and therapists. The world of CBT has been lacking an app which enables the sharing of CBT worksheets and homework tasks between clients and therapists, but Offload completely does this, making the service we offer more professional and the benefits to clients greater.”
Are you a therapist?
Assign this therapy tool and 200+ other interactive tools directly to your clients. Build personalised care plans, customise tools, and review client responses before sessions. HIPAA and GDPR compliant.
Explore Offload for therapistsCarleton, R. N., Norton, M. A. P. J., & Asmundson, G. J. G. (2007). Fearing the unknown: A short version of the Intolerance of Uncertainty Scale. Journal of Anxiety Disorders, 21(1), 105–117.
© 2026 Offload - All rights reserved.