Fixed shifts often require more personnel with 8 and 10-hour shifts, so they require different calculators. Note that the night shift carries over to the next day. Copyright © All Rights Reserved 2021 by Shift Schedule Design. Most businesses will outline how they handle a I am trying to create a formula to calculate hours worked (clock in/clock out). ...Read more. Total your weekly timecard hours in decimal format for payroll. ...Read more. Ages 1 and 2: A child will need 11 to 14 hours including naps. Shift, control or command key to select multiple Where to refuel?