Useful tools

Updated on 20 March 2019

This page provides links to calculators and forms intended to help you manage your tax affairs.


On this page we provide links to calculators developed by various organisations and covering various subjects such as how to work out your take-home pay, tax credit eligibility and statutory redundancy.


On this page you will find examples of, and help to complete, forms and annotated examples of HMRC notices: 

R40 – Claim for repayment of tax deducted from savings and investments

Pay As You Earn (PAYE) form – starter checklist

Form P87 – Claim for tax relief for expenses of employment

Understanding your payslip – an example and breakdown of a typical payslip

Late tax return penalty notice – an annotated example of a penalty notice for a late Self Assessment tax return

Coding notices for pensions – an annotated example of a P2 coding notice for an individual who receives pensions

Coding notices for employees – an annotated example of a P2 coding notice for an employee