This income tax calculator spreadsheet is available to download and it is fully customisable to meet your needs. It will will also calculate National Insurance, Tax on Dividends, Interest, Side Hustle Income and Rental Property Income. The income tax calculator will run in google sheets. The video below gives full instructions on how to use the file. At £5 this is great value for money. Does not calculate Scottish income tax.
An income tax calculator spreadsheet will facilitate further analysis of your numbers.
In this example we can look at savings (Pensions & ISA) as a percentage of gross income as well as taxes (Income Tax and National Insurance) and expenditure. This gives us an accurate calculation of our savings ratio – savings as a percentage of gross income – which is a key variable when saving for retirement.
Feedback on the income tax calculator spreadsheet which is also available here.
The income tax calculator spreadsheet is also a useful input to my retirement calculator which tells you the age which you can retire and the amount of income after tax that you can expect in retirement it’s a very detailed model with lots of useful information such as things like plotting your wealth over time and being a spreadsheet it’s completely flexible and it lasts forever if you’re interested go here or select Retirement Calculator from the menu at the top of this page.
An income tax calculator spreadsheet is a versatile and user-friendly tool to help individuals manage their taxes, providing a comprehensive solution for calculations and planning that can be integrated with other pieces of analysis. It promotes things like graphic analysis of your tax burden and scenario planning is easily facilitated.
With an income tax calculator spreadsheet you can see the underlying calculations and easily make changes to the formulas if necessary. The spreadsheet should remain valid for some time as income tax bands have been frozen until April 2028 which means there will be quite a strong fiscal drag on your personal finances if inflation remains persistantly high.
Instructions are provided within the file. The aim is to be able to reconcile your gross pay to the take home pay that hits your bank account each month.
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