What Does an Hourly Wage Calculator Calculate?
An Hourly Wage Calculator UK converts your hourly rate into estimated daily, weekly, monthly and annual earnings. It can also estimate your take-home pay after applicable Income Tax, National Insurance, pension contributions, student loan repayments and other deductions.
This makes it useful when comparing job offers, planning a budget, checking part-time earnings or seeing how a change in your hourly rate could affect your overall income.
What Affects Your Hourly Pay and Annual Salary?
Your annual earnings depend on more than just your hourly wage. This calculator takes several important factors into account, including:
| FACTOR |
DESCRIPTION |
| Hourly Rate |
The amount you earn for each hour worked. |
| Weekly Working Hours |
More hours generally result in higher annual earnings. |
| Weeks Worked Per Year |
Unpaid leave or seasonal work can reduce yearly income. |
| Overtime Pay |
Extra hours may significantly increase your total earnings. |
| Income Tax |
Tax deductions reduce your take-home pay. |
| National Insurance |
Contributions are calculated according to current UK rules. |
| Pension Contributions |
Workplace pension deductions affect your net salary. |
| Student Loan Repayments |
Repayments may apply depending on your income and loan plan. |
Even a small increase in your hourly wage can make a significant difference over the course of a year. For example, increasing your pay from £18 to £19 per hour while working 37.5 hours per week can add nearly £2,000 to your annual gross income before deductions. Use the
annual salary calculator whenever your hourly rate, hours, or tax details change, so your estimate stays accurate.
This calculator provides an estimate for informational purposes only. Actual payslips may vary depending on your employer, tax code, payroll system, and individual circumstance.
What Is an Hourly Wage?
An hourly wage is the amount you earn for each hour you work. Unlike a fixed annual salary your total income depends on the number of hours you work during the week and throughout the year.
For example, if you earn £15 per hour and work 40 hours each week, your weekly gross pay would be: £15 × 40 = £600 per week
If you work more hours or receive overtime pay, your earnings increase. Likewise, working fewer hours, taking unpaid leave or working part-time will reduce your overall income. This is exactly what an hourly earnings calculator like ours is built to work out for you, whatever your rate or hours.
Hourly Wage vs Annual Salary
| HOURLY WAGE |
ANNUAL SALARY |
| Paid for every hour worked |
Fixed yearly income |
| Earnings change with hours worked |
Usually remains the same each month |
| Overtime increases pay |
Overtime may be included separately |
| Common for part-time and shift workers |
Common for full-time employees |
Understanding the difference between hourly pay and annual salary makes it easier to compare job offers, estimate take-home pay and plan your finances.
If you're starting from an annual salary and want to work out the equivalent hourly rate, use our dedicated
Salary to Hourly Calculator or
Hourly Rate Calculator they're built specifically for that direction. This page focuses on the opposite: turning your hourly wage into weekly, monthly and annual pay.
How the Calculator Works
Our calculator converts your hourly wage into daily, weekly, monthly and annual earnings using your selected working hours and the latest UK tax settings.It is also used as an hourly to salary calculator, hourly to salary converter, or hr to salary calculator.
To provide a more accurate estimate, you can also include additional details such as:
- Weekly working hours
- Tax code
- Income Tax
- National Insurance
- Pension contributions
- Student loan repayments
- Overtime pay
- Bonus payments
- Salary sacrifice
- Other deductions
Basic Formula
Annual Salary = Hourly Rate × Hours per Week × Weeks Worked per Year
Example
| INPUT PARAMETER |
VALUE |
| Hourly Rate |
£18 |
| Hours per Week |
37.5 |
| Weeks per Year |
52 |
| Calculation |
£18 × 37.5 × 52 = £35,100 |
This figure represents your gross annual salary before Income Tax, National Insurance, pension contributions, and other deductions. Your estimated take-home pay is calculated after these deductions have been applied.
A standard full-time year works out to around 1,950 hours (37.5 hours × 52 weeks) a year in hours worth knowing if you ever need to turn hourly into yearly pay by hand or calculate yearly pay for a new rate before it's reflected in the calculator.
Hourly Wage to Annual Salary Examples
The table below shows how different hourly rates convert into estimated annual salaries based on a 37.5-hour working week and 52 working weeks per year. Use it to find out yearly salary equivalents for common hourly rates without running the calculator each time.
| Hourly Rate |
Hours Per Week |
Estimated Annual Pay |
| £12 per hour |
37.5 hours |
£23,400 |
| £12.71 per hour (National Living Wage, 21+, from April 2026) |
37.5 hours |
£24,785 |
| £15 per hour |
37.5 hours |
£29,250 |
| £18 per hour |
37.5 hours |
£35,100 |
| £20 per hour |
37.5 hours |
£39,000 |
| £25 per hour |
37.5 hours |
£48,750 |
| £30 per hour |
37.5 hours |
£58,500 |
| £40 per hour |
37.5 hours |
£78,000 |
Note: These figures represent gross annual salary before Income Tax, National Insurance, pension contributions and other deductions.
For example, someone on the current UK National Living Wage of £12.71 an hour, working a standard 37.5-hour week, has an annual salary on minimum wage of roughly £24,785 before tax a useful benchmark when comparing job offers against the legal minimum.
Important to Remember
Your actual annual earnings may be different depending on factors such as:
- Number of hours worked each week
- Weeks worked during the year
- Overtime pay
- Bonus payments
- Unpaid leave
- Part-time or seasonal employment
For the most accurate estimate of your yearly wage, enter your own hourly rate and working hours into the calculator above.