Shift Differential Pay Calculator
Work out exactly how much extra you earn for working evening, night, weekend, or holiday shifts. Instantly see your updated hourly, weekly, and annual pay.
Calculate Extra Shift Pay
Enter your base hourly rate, the type of shift differential you receive, and your typical hours. The calculator instantly works out your additional earnings and new total pay.
Shift Differential Calculator
Get an instant breakdown of your premium shift earnings.
Understanding Shift Pay
Key concepts for accurate payroll estimation
What is a Shift Differential?
It is a premium pay rate offered to employees working outside standard daytime hours (e.g., evenings, nights, weekends, or holidays) to compensate for the less desirable schedule.
Percentage vs. Flat Rate
Employers typically offer either a percentage boost (e.g., 10% more than base pay) or a flat hourly bonus (e.g., £1.50 extra per hour). Both are valid and calculated differently.
Overtime Implications
In many regions, non-discretionary shift differentials must be included in your “regular rate of pay” when calculating overtime, meaning your overtime rate may also increase.
Taxable Income
Shift differential pay is considered supplemental wages. It is fully taxable and subject to standard income tax and payroll deductions, just like your base salary.
Typical Shift Differentials
Common shift differential rates across various industries. These are general benchmarks and can vary significantly by employer, sector, and region.
| Shift Type | Typical Hours | Common Differential | Primary Industries |
|---|---|---|---|
| Evening | 3:00 PM – 11:00 PM | 5% – 10% or £0.50 – £1.00/hr | Retail, Hospitality, Customer Service |
| Night | 11:00 PM – 7:00 AM | 10% – 20% or £1.00 – £2.50/hr | Healthcare, Manufacturing, Security |
| Weekend | Saturday & Sunday | 5% – 15% or £1.00 – £2.00/hr | Logistics, Healthcare, Emergency Services |
| Holiday | Recognised Public Holidays | Time-and-a-half (1.5x) or Double (2x) | All sectors (often mandated or highly customary) |
| On-Call | Available but not actively working | Flat retainer (e.g., £50–£150/shift) | IT, Healthcare, Trades, Emergency Response |
Shift Pay FAQ
Answers to the most frequently asked questions about shift differential pay and payroll calculations.
Shift differential pay is additional compensation provided to employees who work outside of standard business hours, such as evenings, nights, weekends, or holidays. It is designed to incentivize and compensate workers for less desirable schedules.
It is typically calculated in one of two ways: as a percentage of your base hourly rate (e.g., 10% extra) or as a flat monetary amount per hour (e.g., £1.50 extra per hour). Multiply this differential rate by the number of hours worked on that shift to find your extra pay.
In many jurisdictions, yes. Non-discretionary shift differentials are usually included in the “regular rate of pay” when calculating overtime. This means your overtime rate should be based on your base rate plus the shift differential, not just the base rate alone. Always check local labour laws.
Yes. Shift differential pay is considered supplemental wages by tax authorities (like HMRC in the UK or the IRS in the US) and is subject to the same income tax and payroll deductions as your regular base pay.
Unless it is explicitly guaranteed in a legally binding employment contract or a collective bargaining agreement (union contract), employers generally reserve the right to modify or discontinue shift differential policies with appropriate notice to employees.