50,000 - 100,000 downloads

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About this App (Welsh language version below):
The HMRC App allows you to:
• Calculate your income tax
• Find a form
• Go to HMRC guidance and tools on GOV.UK

HMRC Tax Calculator
Estimate how much Income Tax and National Insurance contributions you can expect to pay if you are a UK taxpayer paying tax through PAYE and pay Class 1 NI contributions.
This simple calculator only works with National Insurance letter A. If your tax affairs are complex it won’t give an accurate estimate. It doesn’t calculate any other taxes.
You will not be asked to provide any personal information. The information you enter isn’t stored by HMRC or used for any other purposes. The calculation result is not legally binding nor is it a demand for payment.

Search for HMRC forms, supplementary pages, worksheets and related help and guidance.

HMRC guidance and tools on GOV.UK
Guidance, tools and calculators from the UK's tax authority.

This app reports anonymous usage statistics to help improve the service. You can view the Terms and Conditions at

Ynglyn â’r App hwn:
Mae App CThEM yn eich caniatáu i wneud y canlynol:
• Cyfrifo eich treth incwm
• Dod o hyd i ffurflen
• Mynd i arweiniad ac offer CThEM ar GOV.UK

Cyfrifiannell Dreth CThEM
Amcangyfrifwch faint o Dreth Incwm a chyfraniadau Yswiriant Gwladol y gallwch ddisgwyl eu talu os ydych yn drethdalwr y DU sy'n talu treth drwy TWE ac yn talu cyfraniadau YG Dosbarth 1.Mae'r gyfrifiannell syml hon dim ond yn gweithio gyda llythyren A Yswiriant Gwladol. Os yw eich materion treth yn gymhleth, ni fydd yn rhoi amcangyfrif manwl gywir. Nid yw'n cyfrifo unrhyw drethi eraill. Nid yw'n gofyn i chi am unrhyw wybodaeth bersonol. Ni chaiff yr wybodaeth a rowch ei storio gan CThEM na'i defnyddio at unrhyw ddibenion eraill. Nid yw canlyniad y cyfrifiad yn rhwymo mewn cyfraith ac nid yw'n gais am dâl.

Chwilio am ffurflenni, tudalennau atodol, taflenni gwaith a help ac arweiniad perthynol gan CThEM.

Arweiniad ac offer CThEM ar GOV.UK
Arweiniad, offer a chyfrifianellau gan awdurdod treth y DU.

Mae'r app hwn yn rhoi manylion anhysbys o'r defnydd er mwyn ein helpu i wella’r gwasanaeth. Gallwch weld y Telerau ac Amodau yn

Tags: hmrc tax calc, paye tax 810l.

Recently changed in this version

Updated data to reflect current spend in 2014 plus associated information pages

Comments and ratings for HMRC
  • (61 stars)

    by theresa may on 07/12/2014

    parkers car spares leicester syston are fiddling tax returns by not running sales through the till and no receipts

  • (61 stars)

    by marc emery on 07/12/2014

    Works every time great app

  • (61 stars)

    by Darren Bucys on 23/11/2014

    Blank screen.

  • (61 stars)

    by Kashif Butt on 23/11/2014

    Blank screen on lg g2 too. Please fix

  • (61 stars)

    by Gareth Thomas on 19/11/2014

    Will not open

  • (61 stars)

    by Simon Herbert on 15/11/2014

    Has not actually opened once since installing or updating. Just freezes when loading.

  • (61 stars)

    by Dave Ogier on 13/11/2014

    Shame this is a useful app

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