The Salary Calculator » pro-rata http://blog.thesalarycalculator.co.uk Blogging on personal finance Mon, 05 Jul 2010 15:24:38 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Pro-rata calculations http://blog.thesalarycalculator.co.uk/paye/pro-rata-calculations/#utm_source=feed&utm_medium=feed&utm_campaign=feed http://blog.thesalarycalculator.co.uk/paye/pro-rata-calculations/#comments Tue, 18 Aug 2009 22:14:57 +0000 admin http://blog.thesalarycalculator.co.uk/?p=41 Recently, I’ve had a couple of requests from users of the site to have a pro-rata calculator on the site, so you can work out what your new pay would be if you go down to reduced hours or enter a job share of some sort. Unfortunately, I’ve not had time to make this new tool, but it is easy to use the existing calculator to work out your pro-rata pay.

For example, if you are working 20 hours a week instead of 37.5:

  1. If you know the hourly rate for the job, use the Hourly Rate Calculator, enter that rate and 20 hours – the calculator will show you the take home pay.
  2. If you just know the annual salary for 37.5 hours a week, first divide the salary by 37.5, then multiply it by 20. Enter this new salary into the normal calculator and it should give you the right information.

According to HMRC, tax, NI etc are all worked out the same whether you worked 37.5 hours to earn the money, or just 20 (or 1!). The above tricks can show you what you need to know until I have time to create a pro-rata calculator.

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