Overtime Calculator Australia

Overtime Calculator Australia

Our free overtime calculator helps Australian workers quickly estimate their take-home pay for any shift type. Simply enter your hourly rate, hours worked, employment type, and the day of the week — and see an instant breakdown of ordinary pay, overtime tiers, penalty rates, and casual loading all in one place.

Whether you're a full-time employee checking your Sunday shift, a casual worker on a public holiday, or a part-timer wanting to understand your entitlements, this tool makes the maths simple and transparent.

How Overtime Works in Australia

Under the National Employment Standards (NES), most full-time employees have a maximum ordinary hours working week of 38 hours. Hours beyond this threshold are considered overtime and are typically paid at a higher rate.

Key things to know:

• Ordinary hours: Usually the first 38 hours per week, or the first 8 hours per day, depending on your award or enterprise agreement.
• Daily overtime thresholds: Many awards set a daily trigger (commonly 8 hours) after which overtime rates apply, even if you haven't exceeded 38 hours for the week.
• Award differences: The overtime rules can vary significantly across different Modern Awards. Always check your specific award or consult the Fair Work Ombudsman.

Overtime is commonly paid at 150% (time and a half) for the first two hours and 200% (double time) for subsequent hours, though this varies by award.

What Are Penalty Rates?

Penalty rates are higher pay rates that apply when employees work at certain times, including weekends and public holidays. They compensate workers for the inconvenience of working during times that most people have off.

• Saturday penalty rates — commonly 125–150% of the ordinary rate depending on the award
• Sunday penalty rates — typically 150–200% of the ordinary rate
• Public holiday rates — usually 250% of the ordinary rate (double time and a half)

These rates differ between industries and awards. For example, retail workers, hospitality staff, and healthcare workers often have unique penalty rate structures. Use the Advanced Settings panel above to customise the multipliers to match your specific award.

Casual Loading Explained

Casual employees in Australia receive a casual loading — an extra percentage added to their base hourly rate — to compensate for the lack of paid leave entitlements (such as annual leave and sick leave) that permanent employees receive.

Many casual employees are paid a casual loading, commonly 25%, but the exact rate and calculation method can depend on the applicable award, enterprise agreement, or contract. For example, a base rate of $30/hr with a 25% loading becomes $37.50/hr — but the exact percentage may differ under your specific award or agreement.

Some awards and enterprise agreements set different casual loading percentages. You can adjust this value in the Advanced Settings of our calculator.

Why Your Pay May Differ

This calculator provides a useful general estimate, but your actual pay may differ due to several factors:

• Modern Awards: Most Australian workers are covered by a specific Modern Award that sets minimum pay rates, overtime rules, and penalty rates for their industry or occupation.
• Enterprise Agreements: Some workplaces operate under enterprise agreements (EAs) negotiated between employers and employees, which may provide different conditions to the relevant award.
• Individual Contracts: If your employment contract sets rates above the award minimum, those rates will apply instead.
• State and Territory variations: Certain industries in some states may have specific provisions.

For accurate, personalised advice on your pay entitlements, visit the Fair Work Ombudsman website or consult a workplace relations specialist.

Worked Example: Weekday Overtime

Consider a full-time employee earning $32/hr who works 10 hours on a Monday. Using common award defaults (ordinary hours threshold: 8 hrs/day; time and a half for the first two overtime hours):

Note that some awards apply overtime based on weekly hours (e.g. after 38 hours) rather than daily hours. The threshold and multipliers used here are common defaults — always check your applicable award.

Worked Example: Casual Saturday Shift

A casual employee with a base rate of $28/hr works 8 hours on Saturday. Assuming a 25% casual loading and a 150% Saturday penalty rate (which applies under some awards):

Many casual employees receive a casual loading, commonly around 25%, but the exact rate and method depends on the award, enterprise agreement, or contract. The Saturday penalty rate also varies — some awards specify different rates for casuals. Always check your specific award.

Worked Example: Public Holiday Shift

A full-time employee earning $30/hr works 6 hours on a public holiday. A common public holiday penalty rate under many Modern Awards is 250% (double time and a half):

Whether an employee is required or entitled to work on a public holiday, and what rate applies, depends on their award, enterprise agreement, and specific circumstances. The rate may also vary depending on whether they normally work that day.

Ordinary Hours, Overtime, and Penalty Rates — What's the Difference?

• Ordinary hours are the standard hours you are employed to work — typically up to a daily or weekly threshold set by your award. Most full-time employees have 38 ordinary hours per week under the National Employment Standards.
• Overtime applies when you work beyond your ordinary hours threshold. It is typically paid at a higher multiplier such as 1.5× (time and a half) or 2× (double time).
• Penalty rates are higher pay rates that apply at specific times — weekends, public holidays, evenings — regardless of whether the hours are ordinary or overtime. A Saturday shift may attract a penalty rate even if you haven't worked any overtime for the week.

Overtime and penalty rates can apply to the same hours (for example, overtime worked on a Sunday), but how they combine depends on the applicable award or agreement.

When Overtime and Penalty Rates May Interact

In some situations, both a penalty rate and an overtime multiplier could apply to the same hours. How this works in practice depends on the applicable Modern Award or enterprise agreement. Common approaches include:

• Higher rate applies: Some awards specify that the higher of the two rates applies, rather than stacking them.
• Combined flat rate: Some awards set a single combined rate for overtime worked on a specific day type (e.g. double time for any hours worked on a Sunday regardless of overtime tier).
• Award-specific interaction rules: Many awards have unique provisions for how casual loading, penalty rates, and overtime interact.

This calculator uses simplified defaults. For shifts involving both overtime and penalty rates, always verify the exact outcome against your specific award or enterprise agreement.

Common Mistakes When Estimating Overtime Pay

• Applying overtime only after 38 hours per week: Many awards also have daily overtime triggers (commonly after 8 hours). You may owe overtime after a long single shift even if weekly hours are under 38.
• Forgetting casual loading for casual overtime: Overtime for casual employees is generally calculated on the loaded rate, not just the base rate. Using the base rate will underestimate the correct figure.
• Using the wrong penalty rate: Penalty rates differ significantly between awards and industries. The rates in the retail, hospitality, and health professionals awards are all different.
• Assuming weekend hours are always overtime: Weekend penalty rates can apply to ordinary hours worked on a weekend — they are separate from overtime entitlements.
• Using a general calculator for formal payroll: This tool provides estimates only. Always rely on the actual award, enterprise agreement, or a qualified payroll professional for payroll processing.

Why Award Rules Can Change the Result

Australia uses a system of Modern Awards covering most industries and occupations. Each award sets specific rules for ordinary hours, overtime triggers and multipliers, penalty rates, and casual loading — and these rules can differ significantly:

• The General Retail Industry Award has specific Saturday, Sunday, and public holiday rates that differ from general defaults.
• The Hospitality Industry (General) Award includes specific shift work provisions, casual rates, and overtime rules.
• The Health Professionals and Support Services Award includes different base rates and specific overtime provisions.
• The Clerks — Private Sector Award and Building and Construction General On-site Award each have their own penalty rate structures.

Because the rules vary so much between awards, any general calculator can only provide an estimate. Always refer to the Fair Work Ombudsman and the specific award that covers your employment for accurate figures.