Complete this validated 9-question assessment to evaluate fatigue severity and get personalized recommendations.
The Fatigue Severity Scale (FSS) is a widely used, validated screening tool that helps identify and measure the severity of fatigue symptoms. Answer 9 simple questions to determine your fatigue level.
Click on any example to load it into the calculator.
Normal fatigue levels with minimal impact on daily life.
Motivation: 2
Exercise Fatigue: 1
Easy Fatigue: 2
Physical Functioning: 1
Frequent Problems: 1
Sustained Functioning: 1
Duties & Responsibilities: 1
Disabling Symptoms: 1
Work/Family/Social: 1
Total Score: 11
Mean Score: 1.22
Fatigue Level: Minimal Fatigue
Some fatigue symptoms requiring monitoring.
Motivation: 3
Exercise Fatigue: 4
Easy Fatigue: 4
Physical Functioning: 3
Frequent Problems: 3
Sustained Functioning: 3
Duties & Responsibilities: 3
Disabling Symptoms: 2
Work/Family/Social: 3
Total Score: 28
Mean Score: 3.11
Fatigue Level: Mild Fatigue
Significant fatigue symptoms requiring attention.
Motivation: 5
Exercise Fatigue: 5
Easy Fatigue: 5
Physical Functioning: 5
Frequent Problems: 5
Sustained Functioning: 5
Duties & Responsibilities: 5
Disabling Symptoms: 4
Work/Family/Social: 5
Total Score: 44
Mean Score: 4.89
Fatigue Level: Moderate Fatigue
High fatigue levels requiring professional evaluation.
Motivation: 7
Exercise Fatigue: 7
Easy Fatigue: 7
Physical Functioning: 7
Frequent Problems: 7
Sustained Functioning: 7
Duties & Responsibilities: 7
Disabling Symptoms: 6
Work/Family/Social: 7
Total Score: 62
Mean Score: 6.89
Fatigue Level: Severe Fatigue