The same salary paid weekly and monthly gives the same annual take-home, but individual payslips differ because some months contain five weekly pay dates.
Over a full year the two are identical: the same gross salary, the same tax, the same National Insurance. What changes is the size and count of the payslips. Monthly pay gives 12 payslips of one twelfth each. Weekly pay gives 52, and because 52 weeks do not divide evenly into 12 months, four months of the year contain five pay dates instead of four.
On £35,000 a year with a standard 2026/27 tax code, no pension, no student loan, the figures work out like this. Open a calculator to put your own numbers in.
| Tax/source year | 2026/27 |
|---|---|
| Region | England/Wales/Northern Ireland |
| Tax code basis | 1257L where the page uses PAYE defaults |
| Pension basis | No pension deduction unless this example says otherwise |
| Student loan basis | No student loan unless selected in this example |
| Calculator setting | The answer is more useful when matched to the same tax year, region, tax code, pension and loan settings used in the calculator. |
|---|---|
| Records to compare | Payslips, HMRC records, student-loan notices and pension scheme documents can explain differences. |
| Tax code | HMRC tax-code changes, K codes, BR/D codes, or emergency markers can change PAYE deductions. |
|---|---|
| Cumulative basis | Week 1, Month 1 or non-cumulative payroll can differ from a smooth annual calculator estimate. |
| Pension method | Relief at source, net pay and salary sacrifice can affect taxable pay and take-home pay differently. |
| Payroll timing | Bonus, overtime, arrears, refunds, cut-off dates and corrections can all move a single payslip. |
| Open the salary calculator with editable assumptions | calculator next step |
|---|---|
| Review calculation sources and methodology | source context |
| What is not decided here | PayBreakdown does not decide payroll correctness, lender approval, benefit entitlement or employer compliance, and does not give regulated financial, mortgage, debt, tax, payroll or legal advice. |
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The figures on this page are worked from monthly vs weekly pay, using the values below. Open the calculator if your example salary differs.
PAYE works on an annual allowance and annual bands, spread across the pay periods in the year. Changing the pay frequency changes how the allowance is sliced, not how much of it you get.
Weekly pay does not line up with calendar months. Most months contain four pay dates, but four months a year contain five, and budgeting monthly from a weekly wage is where people get caught out.
If a weekly and a monthly estimate disagree, the difference is nearly always the period rather than the calculation.
This is educational guidance on how UK pay and tax work. It does not decide payroll correctness, HMRC treatment, lender approval, benefit entitlement or employment rights, and it is not regulated financial advice. Where a figure matters, check it against your payslip, your HMRC account, or the official guidance linked above.
No. Over a full year weekly and monthly pay produce the same income tax and National Insurance on the same salary. The allowance and the £37,700 basic rate band are simply divided across 52 periods rather than 12.
Because 52 weeks do not divide evenly into 12 months. Four months of a typical year contain five weekly pay dates rather than four, so those months bring in an extra week's pay while monthly bills stay the same.
Multiply the weekly figure by 52 and divide by 12. Multiplying by four and then by 12 assumes 48 weeks and understates the year by four weeks of pay.
Neither is better for tax. Weekly pay smooths cash flow across the month and shows changes sooner; monthly pay lines up with most direct debits. The choice is usually the employer's rather than yours.
Last updated 2026-08-27. Checked by Sean Elsmore. Rates last checked against GOV.UK on 2026-08-07. Estimates are for planning and should be checked against official records where the decision matters.