Hourly to Salary Calculator United Kingdom
This hourly to salary calculator converts an hourly wage into weekly, monthly and annual gross pay from your rate, hours and weeks worked.

What it does
The Hourly to Salary Calculator turns an hourly wage into weekly, monthly and annual gross pay, so you can compare a job quoted by the hour against one quoted as a salary.
Data sources & parameters
This calculator uses standard financial formulas and runs entirely in your browser. It needs no external rate data — your result is computed only from the values you enter above.
We always strive to use the latest data for every variable so our results and reports are as accurate as possible. Even so, errors are possible — you should not rely on this tool or its report alone, and we accept no liability for any decision made based on it.
The formula
Annual = hourly rate × hours per week × weeks per year; monthly = annual ÷ 12
How it works
It multiplies your hourly rate by the hours you work each week to get weekly pay, multiplies that by the weeks you work in a year for the annual figure, then divides by 12 for the monthly amount.
Where it is used
- Comparing an hourly job with a salaried offer
- Turning a quoted hourly rate into an annual figure
- Estimating monthly gross pay from an hourly wage
Worked example
At £15.00 an hour for 37.5 hours a week, weekly pay is … — an annual salary of …, or … a month before tax.
Pay is quoted in different ways: an hourly rate for a shift job, a monthly figure on a payslip, an annual salary in a job advert. Enter what you earn per hour, how many hours you work each week and how many weeks you work a year, and this calculator shows the equivalent weekly, monthly and annual gross pay. Everything is before tax, so the figures line up with what employers advertise.
How the conversion works
Weekly pay is the hourly rate times the hours you work in a week. Multiply that by the weeks you work in the year for the annual salary, and divide by twelve for an average month. No tax rates or thresholds are involved, so the answer is exact arithmetic rather than an estimate.
The one judgement is weeks per year. For most employees it is 52, because paid holiday is built into the pay. If you only work part of the year and are unpaid for the rest, as in some term-time roles, seasonal contracts or long unpaid breaks, lower the weeks so the annual figure reflects reality.
A worked example
You are offered £15 an hour for a 37.5-hour week. Weekly pay is £15 × 37.5 = £562.50. Over 52 weeks that is £29,250 a year, an average of £2,437.50 a month. You can now compare that £29,250 directly with a salaried offer.
Comparing hourly and salaried jobs fairly
A salary spreads the same money evenly across every month, while hourly pay follows the hours you actually work. When comparing two offers, make sure the hours and weeks match: a salary based on a 40-hour week is not directly comparable to an hourly rate for 30 hours. Convert both to an annual figure using the hours you would really work.
Also consider what sits outside the headline number. Overtime, shift premiums, guaranteed hours, holiday pay and pension contributions can change the real value of an offer considerably. This tool gives the baseline conversion; treat the extras as adjustments on top.
Gross versus take-home pay
Every figure here is gross. Income Tax, National Insurance, any workplace pension contribution and student loan repayments, if they apply to you, come out of it. Those depend on your tax code and circumstances, so they are not part of a simple conversion. For what actually reaches your bank account, run the annual salary through a take-home pay calculator, which applies the current tax bands and National Insurance thresholds.
Assumptions and limitations
The calculator assumes every week you count is paid at the same rate for the same hours, and that a month is the annual figure divided by twelve. Variable hours, overtime at higher rates, unpaid leave and months of different lengths all cause small differences in practice. It does not model tax, National Insurance, pensions or benefits, and it is not personalised financial advice.
About This Hourly to Salary Calculator
Use this hourly to salary calculator to get an instant estimate based on the figures you enter. Adjust the inputs above to match your situation, or browse all our calculators to plan your next step.

