Timesheet and pay calculator

Decimal hours and hours-and-minutes are different notations, and payroll wants the decimal one.

hours a week
Gross weekly pay
942.19
= Exact Timesheet hours
Hours in the week
41.250
Paid hours per day
8.2500
Paid time per day
8:15:00
Overtime hours
1.250
Pay at the basic rate
900.00
Overtime pay
42.19
Annualised gross
49 162.00
Show the working
  1. Hours worked = 8
  2. Plus minutes = 45
  3. Days worked = 5
  4. Hourly rate = 22.5
  5. Overtime starts after = 40
  6. Overtime multiplier = 1.5
  7. Unpaid break per day = 30
  8. Paid hours per day = 8 + 45/60 - 30/60 = 8.25
  9. Hours in the week = 8.25 * 5 = 41.25
  10. regular = min(41.25, 40) = 40
  11. Overtime hours = max(41.25 - 40, 0) = 1.25
  12. Pay at the basic rate = 40 * 22.5 = 900
  13. Overtime pay = 1.25 * 22.5 * 1.5 = 42.1875
  14. Gross weekly pay = 900 + 42.1875 = 942.188
  15. Annualised gross = 942.188 * 52.17857142857143 = 49 162
  16. Paid time per day = 8.25 * 3600 = 29 700

Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.

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    The formula

    • decimal hours = hours + minutes / 60
    • overtime = hours above the threshold, paid at the multiplier

    45 minutes is 0.75 hours, not 0.45. Getting that wrong is the most common timesheet error there is.

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