Direct answer
Use this Marriage Allowance calculator to model a simple transfer from a lower earner to a higher earner. It estimates the transfer amount, possible tax reduction and whether the inputs look like a straightforward case.
Marriage Allowance calculator
Estimate whether a simple Marriage Allowance transfer could reduce tax for a married couple or civil partners.
How marriage allowance is worked out
Use this Marriage Allowance calculator to model a simple transfer from a lower earner to a higher earner. It estimates the transfer amount, possible tax reduction and whether the inputs look like a straightforward case.
Marriage Allowance example
Family-finance outputs are estimates only. They are not benefits, tax, legal, payroll, accounting or financial advice.
Estimated tax reduction£252
Transfer amount£1,260
Maximum tax reduction£252
Eligibility statusLooks like a simple Marriage Allowance estimate
| Personal Allowance | £12,570 |
|---|---|
| Higher earner band limit used | £50,270 |
| Higher earner tax reduction | £252 |
| Lower earner tax increase | £0 |
- Marriage Allowance is for married couples and civil partners, not unmarried couples living together.
- The lower earner generally needs income below their Personal Allowance.
- The other partner generally needs to be a basic-rate taxpayer; in Scotland this means starter, basic or intermediate rate.
- Backdating and unusual income such as dividends, savings or taxable benefits can change the claim position.
Checks worth making on marriage allowance
Assumptions used here
| 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 |
Source and methodology 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. |
|---|
What the marriage allowance estimate assumes
The figures on this page use the values below. Open the calculator if your example salary differs.
Example salary£40,000 annual gross
Simple eligibility check
The calculator checks a basic income pattern: one partner with unused Personal Allowance and the other inside the usual basic-rate range. Scotland needs careful wording because income tax bands differ.
- Marriage Allowance is for married couples and civil partners.
- Backdating, dividends, savings income, benefits and unusual tax-code situations are not fully modelled.
- The result is an estimate, not an HMRC claim decision.
Curated Marriage Allowance examples
The examples compare lower-earner and higher-earner income pairs where unused Personal Allowance, basic-rate status and Scotland wording can change how to read the estimate.
- Marriage Allowance is for married couples or civil partners.
- One partner generally needs unused Personal Allowance and the other generally needs to be a basic-rate taxpayer.
- The examples estimate tax reduction only and are not HMRC claim decisions.
How this page should be used
Use this Marriage Allowance calculator to model a simple transfer from a lower earner to a higher earner. It estimates the transfer amount, possible tax reduction and whether the inputs look like a straightforward case. Read the result and assumptions first, then use the related calculators only when you need to change inputs or continue into a wider plan.
- Use the visible assumptions and caveats before relying on any estimate.
- Keep personal planning data in local workspace pages when you need saved figures.
- Use source and methodology links to understand where rules or rates come from.
Limits of the estimate
PayBreakdown is an informational calculator and household-finance modelling tool. It does not provide legal, tax, employment, payroll, benefits, lending, accounting or regulated financial advice.
Before acting on the result
Check whether the page uses a fixed scenario, a simple default, or your own local inputs. Fixed scenarios are useful for orientation, but personal decisions should use current payslips, bills, provider documents, official sources, and professional support where the decision is important.
What makes the estimate useful
A useful estimate shows the key inputs, the calculation area, the assumptions and the limits in the same place. If a page does not match the user situation exactly, use it to understand direction and sensitivity first, then move into the relevant calculator or local workspace to adjust the numbers.
Make the estimate your own
Use the visible result as a starting point, then change the assumptions that apply to your situation. For salary pages, that usually means tax year, region, tax code, pension method, student loan plan, bonus, overtime and salary-sacrifice settings. For borrowing, debt or budget pages, it means the real payment amount, term, interest rate, balance, bill timing, savings target and any expected income change. Keep the result separate from advice or approval decisions: PayBreakdown helps you model the numbers, while official sources, employer records, provider documents and professional support are still the right place for final checks. If a change is close to a threshold, rerun the calculation with a cautious higher-cost or lower-income scenario before relying on the result.
Marriage Allowance examples
Curated lower-earner and higher-earner income pairs for the public calculator.
Related household planning
Move from the allowance estimate into household income, salary and budget planning.
Related pages
3 pages in this set, each showing the calculation for a different figure.
Official sources
Income Tax rates and Personal AllowancesGOV.UK Marriage Allowance guidanceFrequently asked questions
What does the Marriage Allowance calculator estimate?
It estimates the transferable allowance, possible tax reduction and a simple likely or unlikely status based on the lower and higher earner incomes entered.
Who can usually use Marriage Allowance?
It is generally for married couples or civil partners where one partner has unused Personal Allowance and the other is a basic-rate taxpayer.
Why does Scotland need careful wording?
Scottish Income Tax bands differ, so the calculator uses a source-backed Scottish band limit and still treats the result as a simple estimate.
Does this calculator submit a Marriage Allowance claim?
No. It estimates a possible tax reduction only. It does not submit a claim, decide HMRC eligibility, or model every backdating and income edge case.
Last updated 2026-08-19. Estimates are for planning and should be checked against official records where the decision matters.