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MSE online tax calcuator

Can anyone explain an "issue" I found with the mse online tax calculator. When inputting my tax code 1257L along with my annual income then clicking calculate it returns an annual tax liability based on a Tax Free Allowance, (tfa), of £12579. According to HMRC's website this tax code allows a tfa of £12570. Anyone know why the difference? Nine pound only I know but I am just curious. Thanks

Comments

  • JGB1955
    JGB1955 Posts: 4,000 Forumite
    Seventh Anniversary 1,000 Posts Name Dropper
    HMRC round down
    #2 Saving for Christmas 2024 - £1 a day challenge. £325 of £366
  • DPF8591 said:
    Can anyone explain an "issue" I found with the mse online tax calculator. When inputting my tax code 1257L along with my annual income then clicking calculate it returns an annual tax liability based on a Tax Free Allowance, (tfa), of £12579. According to HMRC's website this tax code allows a tfa of £12570. Anyone know why the difference? Nine pound only I know but I am just curious. Thanks
    Your tax code allows 12579 allowances.

    In reality you are only entitled to 12570.

    A lot people owe £1.80 (or £3.60) as a result.

    In most cases you never have to pay this.
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