Overtime & Penalty Rates Calculator Australia
Calculate your shift pay with penalty rates, plan your weekly roster earnings, and see what public holidays are worth at your base rate.
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How to Use This Calculator
Tab "Shift Pay"
Enter your base hourly rate, select your employment type (full-time/part-time or casual), the day of your shift, your shift hours, and any overtime hours. The calculator shows your penalty rate multiplier, effective hourly rate, gross shift pay, casual loading (if applicable), and super on the shift.
Tab "Weekly Roster"
Enter your base rate and employment type, then input your hours for each day of the week. See your total weekly gross pay with penalties applied automatically for Saturday and Sunday, the penalty pay breakdown, and the annual equivalent.
Tab "Public Holiday"
Enter your base rate, hours worked on the public holiday, and your state (for the number of public holidays). See the public holiday pay at 250%, comparison to a regular day, the extra amount earned, and the total annual opportunity if you worked all public holidays.
The Formulas
Effective hourly rate = Base rate ร Penalty multiplier
Shift pay = Shift hours ร Effective hourly rate
Overtime (first 2 hrs) = OT hours ร Base rate ร 1.50
Overtime (after 2 hrs) = OT hours ร Base rate ร 2.00
Total gross = Shift pay + Overtime pay
Super = Total gross ร 12%
General Retail Industry Award penalty rates:
Mon-Fri: 100% (FT/PT) | 125% (Casual)
Saturday: 125% (FT/PT) | 150% (Casual)
Sunday: 200% (FT/PT) | 200% (Casual)
Public Holiday: 250% (FT/PT) | 275% (Casual)
Overtime first 2 hrs: 150% | After 2 hrs: 200%
Public holidays by state:
ACT: 9 | NSW: 10 | QLD: 10 | WA: 10 | TAS: 10
NT: 11 | SA: 12 | VIC: 13
Penalty rates vary by award. The General Retail Industry Award is used as a common default. Always check your specific modern award or enterprise agreement at fairwork.gov.au. National minimum wage is $24.10/hr from 1 July 2025.
Example
Jake โ Retail Worker in Melbourne, $28/hr Base Rate
Full-time employee. Works a Sunday shift of 8 hours plus 2 hours overtime.
Jake earns $532 gross for his Sunday shift โ $252 more than he would for the same hours on a weekday ($280). The 200% Sunday penalty rate effectively doubles his base rate, and overtime on top adds another $84.
Penalty Rates Reference Table
| Shift Type | Full-time / Part-time | Casual |
|---|---|---|
| Monday โ Friday | 100% | 125% |
| Saturday | 125% | 150% |
| Sunday | 200% | 200% |
| Public Holiday | 250% | 275% |
| Evening (after 6pm) | 125% | 150% |
| Overtime (first 2 hrs) | 150% | 150% |
| Overtime (after 2 hrs) | 200% | 200% |
Source: General Retail Industry Award 2020. Your award may have different rates.