Shift Work Health Risk Calculator

Health risk scoring from shift pattern and duration.

Shift duration (hours)

Night shifts per week

Consecutive night shifts

Years of shift work

Rotation (1=forward, 2=back)

Tab to move between fields

Health risk score (0-100)

Risk category (1-3)2

Weekly sleep debt (hours)6.5

CV risk increase (%)17%

Incident risk multiplier1.39

Recovery days needed2

How to Use This Calculator

Enter shift duration (hours), number of night shifts per week, and maximum consecutive night shifts.
Enter years of shift work experience and rotation direction (1 = forward, 2 = backward).
Read composite health risk score and specific risk areas elevated by your shift pattern.
Review circadian disruption index — backward rotation and long consecutive night shifts increase risk most.
Use results to advocate for forward-rotating schedules, adequate rest periods, and health screening.

Ad Placeholder