Overtime Calculator
Calculate overtime pay rates including time-and-a-half and double-time based on your base hourly rate and award conditions.
Disclaimer
This calculator provides estimates for general information purposes only. Results should not be relied upon as professional financial, tax, or legal advice. Tax rates and thresholds are based on publicly available ATO data and may change. Always consult a qualified tax agent or financial adviser for advice specific to your circumstances.
Frequently Asked Questions
When does overtime start in Australia?
Is overtime compulsory in Australia?
What is Overtime?
Overtime pay in Australia is compensation for hours worked beyond standard full-time hours (38 hours per week). Most awards and agreements require overtime to be paid at time-and-a-half or double-time rates.
How this calculator works
Enter your base hourly rate and the calculator applies standard penalty rates: time-and-a-half (1.5× your base rate) for the first overtime hours, and double-time (2× your base rate) for extended overtime or weekend/public holiday work. The breakdown shows your total weekly pay split between normal hours, time-and-a-half hours, and double-time hours, so you can verify your pay slip is correct. Rates shown follow common award conditions — check your specific award or enterprise agreement for exact overtime provisions.
Standard Overtime Rules (Modern Awards)
Most modern awards in Australia use: first 2-3 hours OT at 1.5× (time-and-a-half), then 2× (double-time). Saturdays often 1.5× for first few hours then 2×. Sundays typically 2× across the day. Public holidays generally 2.5× (some awards) or worked-day + day-in-lieu. Specific rules vary by award (over 122 modern awards exist) — check yours at fairwork.gov.au.
Reasonable Additional Hours (NES)
Under the National Employment Standards (Fair Work Act s 62), employers can require 'reasonable additional hours' beyond 38/week. Reasonableness considered: risks to health and safety, personal circumstances, business needs, notice given, role responsibilities, industry custom. Salaried employees in 'all-hours-worked' contracts may be exempt from overtime payments but ONLY if the salary genuinely compensates (BOOT test under Fair Work Act).
Salaried vs Award-Covered Workers
If your salary is set off-the-award and exceeds the award rate by enough to absorb reasonable overtime: no separate OT payment required. But IF your salary doesn't satisfy the BOOT (Better Off Overall Test), you're owed back-pay. Common issue: managers paid 'flat $80k' working 50+ hrs/week, when award-rate + OT would total $95k. Lawsuit territory — see ABCC and Fair Work cases.
Time in Lieu (TOIL)
Some awards/agreements allow time off instead of overtime pay. Usually offered at the equivalent overtime rate (e.g. 3 hrs OT = 4.5 hrs TOIL at 1.5×). Both parties must agree in writing. Must be taken within a specified period (often 6 months) or cashed out at the OT rate. Useful for work-life balance but watch you don't accumulate weeks of TOIL that get cashed out at base rate.
Casual Loading and Overtime
Casuals receive 25% loading on base rate. When casual overtime applies, the OT multiplier applies to the BASE rate (without casual loading), then loading is added on top OR (in some awards) OT applies to the casual rate (base + loading). Check your specific award. Common confusion area — many casuals are underpaid OT due to incorrect interpretation.
Official Sources
All calculations are performed in your browser — your data never leaves your device. Results are for general guidance only and should not be considered professional financial advice.
Built and maintained by Konstantin Iakovlev. Data sourced from the ATO and official Australian government sources.