Overtime is any hours an employee works beyond their standard or contracted working hours, typically compensated at a higher rate than the regular hourly wage. Whether overtime is mandatory, voluntary, or prohibited — and how it is paid — varies significantly by country, industry, and employment contract.
For HR teams, getting overtime wrong is one of the most common sources of compliance risk. Misclassifying employees, miscalculating rates, or failing to track hours can result in back-pay claims, penalties, and employee grievances.
Key Takeaways
- Overtime is defined by the hours worked beyond the standard workweek (commonly 35-40 hours depending on jurisdiction).
- In the US, federal law requires overtime pay at 1.5x the regular rate for hours over 40 per week; UK rules are more flexible.
- Exempt employees (salaried, professional, or executive roles) are typically not entitled to overtime pay under most labour laws.
- Accurate time tracking is essential for overtime compliance — manual timesheets and spreadsheet-based systems are a leading cause of errors.
What Is Overtime?
Overtime refers to hours worked beyond the standard working hours defined in an employment contract or by law. The standard workweek varies by country:
| Country | Standard Workweek | Overtime Threshold |
|---|---|---|
| United States | 40 hours/week | Hours over 40 |
| United Kingdom | Varies by contract (often 37.5-40 hours/week) | Contractually defined |
| Australia | 38 hours/week | Hours over 38 |
| Germany | 48 hours/week (8 hours/day) | Daily and weekly limits |
| France | 35 hours/week | Hours over 35 |
| Nepal | 48 hours/week (8 hours/day) | Hours over 48 or work on rest days |
Overtime is not the same as working longer hours. It specifically refers to hours that exceed the legal or contractual threshold and trigger additional compensation obligations.
When Is Overtime Pay Required?
Whether overtime is payable depends on jurisdiction, employment status, and the worker’s classification:
United States
Under the Fair Labor Standards Act (FLSA), non-exempt employees must be paid at least 1.5 times their regular rate of pay for all hours worked over 40 in a workweek. There is no daily overtime threshold in federal law — only weekly. Some states (California, for example) add daily overtime rules:
- Federal: 1.5x for hours over 40/week
- California: 1.5x for hours over 8/day; 2x for hours over 12/day
- New York: 1.5x for hours over 40/week (no daily threshold for most workers)
United Kingdom
The UK does not have a statutory overtime rate. The Working Time Regulations 1998 set a 48-hour weekly maximum (with opt-out), but overtime pay is determined by the employment contract. Most employers offer a contractual overtime rate — commonly 1.5x or double time — particularly in unionised or manufacturing settings.
Australia
Under the National Employment Standards (NES), full-time employees are entitled to 2.5x their base rate for overtime if not covered by an award or agreement that specifies otherwise. Awards often set tiered rates based on when the overtime is worked (e.g., weekdays, Saturdays, Sundays, public holidays).
EU Working Time Directive
The EU Working Time Directive (2003/88/EC) caps average weekly working time at 48 hours. Member states implement their own overtime rules. Germany, for instance, limits daily work to 8 hours (extendable to 10), with mandatory rest periods between shifts.
How Overtime Is Calculated
The overtime rate depends on the agreed-upon multiplier and the employee’s regular rate of pay:
Standard Overtime (1.5x)
Regular hourly rate: $25/hour
Overtime rate: $25 × 1.5 = $37.50/hour
Overtime hours: 5 hours
Overtime pay: 5 × $37.50 = $187.50Double-Time (2x)
Regular hourly rate: $25/hour
Double-time rate: $25 × 2 = $50/hour
Overtime hours: 3 hours
Double-time pay: 3 × $50 = $150.00UK Contractual Overtime
In the UK, the overtime rate is whatever the contract specifies. If your contract states overtime is paid at time-and-a-half, the calculation is:
Hourly rate: £15.00
Overtime rate: £15.00 × 1.5 = £22.50/hour
Overtime hours: 8 hours
Overtime pay: 8 × £22.50 = £180.00Exempt vs Non-Exempt Employees
Not all employees are eligible for overtime pay. The key distinction — particularly in the US — is between exempt and non-exempt status:
| Classification | Overtime Entitled? | Common Roles |
|---|---|---|
| Non-exempt | Yes | Hourly workers, most junior staff, manual labour |
| Exempt (US) | No | Managers, professionals, administrative staff meeting salary threshold |
| Independent contractor | No | Freelancers, consultants (misclassification risk) |
| Salaried non-exempt | Yes | Salaried workers below the FLSA salary threshold |
In the US, the Department of Labor’s 2024 rule set the minimum salary threshold for exemption at $58,656 per year. Salaried employees earning below this threshold are entitled to overtime, even if their job duties would otherwise qualify as exempt.
In the UK and Australia, the distinction is less rigid. Most employees — including many salaried staff — are entitled to overtime if their contract provides for it or if they work beyond the standard hours.
Best Practices for Overtime Management
- Track hours accurately. Use automated time tracking rather than manual timesheets. Digital systems reduce errors and provide audit trails.
- Set clear overtime policies. Define when overtime requires pre-approval, who can authorise it, and the applicable rates. Document this in the employee handbook.
- Monitor cumulative hours. Watch for employees approaching weekly or daily overtime thresholds. Proactive alerts prevent unexpected overtime costs.
- Avoid mandatory overtime burnout. Chronic overtime signals understaffing. Address the root cause rather than relying on sustained overtime to fill gaps.
- Comply with rest period rules. Overtime must not push employees into rest period violations. Most jurisdictions require minimum rest between shifts.
Frequently Asked Questions
Is overtime pay mandatory by law?
It depends on jurisdiction. In the US, the FLSA mandates overtime at 1.5x for non-exempt employees working over 40 hours per week. In the UK, there is no statutory overtime rate — it depends on the employment contract. In Australia, the NES and applicable awards set minimum overtime rates.
Can an employee refuse to work overtime?
In most jurisdictions, an employee can refuse overtime unless their contract explicitly requires it and the request is reasonable. Employers cannot unilaterally impose excessive or unreasonable overtime, and refusal based on health or safety concerns is generally protected.
How is overtime calculated for salaried employees?
For non-exempt salaried employees in the US, the regular rate is calculated by dividing the weekly salary by the number of hours the salary is intended to cover (typically 40). Any hours beyond 40 are then paid at the overtime premium. Exempt salaried employees do not receive overtime.
Does overtime include weekends and public holidays?
Overtime is not inherently tied to weekends or holidays — it is defined by hours worked beyond the standard threshold. However, many employers and awards pay premium rates for work on weekends, public holidays, or night shifts, in addition to or instead of standard overtime premiums.
What is the difference between overtime and comp time?
Compensatory time (comp time) is time off given in lieu of overtime pay. In the US private sector, comp time in lieu of overtime pay is generally illegal under the FLSA. Some public-sector employers and certain jurisdictions allow it under specific conditions. Always verify local rules before offering comp time.
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