Is £100k a good salary in the UK?

Yes, a salary of 100k + does still put you in a relatively select group at the top of the UK earners list. Whilst those at the very top of that heap are touching seven-figure salaries, the proportion of those on more than £100k continues to grow.
But with a cost of living crisis, slow growth and record amounts of government borrowing needing to be paid back, if you’re earning £100k or more in the UK, you may find yourself in the spotlight if there are any changes to the income tax bands.

Why is my salary different every month

It’s a fair question, especially if you’re on a fixed salary. It would be easy to think that you should just receive a set amount each month based on the total salary, less tax, divided by 12 for monthly pay or 53 for weekly payrolls. But the way tax is calculated is not that straightforward and there are various factors which mean your salary will vary by month. Needless to say, the overall salary amount you get paid over the year evens out to that net figure but it won’t arrive in neat even chunks, and here’s why.