Wagebook - Calculate leave/sick hours accrued

Calculating Annual Leave

Full-time Employee

  • The NES (National Employment Standards) considers a full-time work week to be 38 hours.
  • A normal working day is therefore 7.6 hours (38 hours / 5 days).
  • 4 weeks annual leave equals 20 days, (5 days × 4 weeks).
  • Every day you accumulate 0.416438356 hours of leave (20 days × 7.6 hours / 365 days) = "accumulation rate".
  • Two formulas give us your annual leave entitlement in hours and days.
  • Hours accumulated = Days worked × Accumulation rate (0.416438356)
  • Days accumulated = Days worked × Accumulation rate (0.416438356) / 7.6
    Example: For a standard 38 hour week the formula to get the Annual Leave Divider is:
    Annual Leave Divider = 38 / (0.416438356 X 7)  
    Annual Leave Divider = 13.03571429085996
    Which is calculated as 2.915068 hours accumulated for a standard 38 hour week.
    Enter the Annual Leave Divider in the Wagebook tab in the Staff setup as 13.03571429085996

Part-time Employee

  • 0.416438356 × Average days worked per week / 5

Leave Calculator

You can use the Leave Calculator to find out how much annual or sick / carer's leave has accumulated under your award or under the National Employment Standards (NES).  Always use this calculator to cross-check any calculated leave.

Calculating Sick Leave

Sick Leave Entitlements

  • The current entitlement is 60.8 hours (8 days) per year sick leave which is pro-rata for permanent part-time staff.
  • Casual staff are not entitled to sick leave.

Sick Leave Accrual

  • This entitlement will accrue at the rate of:
  • 7.6 hours sick leave for each 6 weeks of employment.
  • 60.8 ÷ 52 weeks (including paid sick, annual & long service leave) = 1.1692 hours per week.
  • 1.1692 ÷ 38 (hours per week) = 0.0308 hours per hour paid (including paid sick and annual
  • leave).
  • The hourly accrual figure is used for calculating accrual for both part-time and full-time employees.
  • Example: If an employee works 20 hours per week = 0.0308 x 20 = 0.616 hours sick leave accrual per week.


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