Enter each partner's annual income. Results update as you type.
HMRC lets you backdate Marriage Allowance up to 4 previous tax years if you were eligible.
Marriage Allowance lets a non-taxpayer transfer £ of their Personal Allowance to a basic-rate-paying spouse or civil partner.
Estimate only. The transferring partner gives up part of their own Personal Allowance.
If you keep claiming each year (the same saving repeats annually once the claim is active).
The Marriage Allowance Calculator does more than show a number. Below your result it explains what your figures mean in practice - your effective and marginal rates, any allowances or thresholds you are close to, and the specific steps to take next. Enter your details above and the guidance updates to match your situation.
Do this next, in order
Estimates only - not financial or tax advice. Confirm figures on GOV.UK or with an adviser.
| Scenario | Per year | Backdate | Total | |
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Marriage Allowance Calculator by TaxFly — free UK tax calculators