Irregular Income Calculator
Put in what you were actually paid over the last few months. This works out a steady "salary" you could draw, holds back a share for tax, and shows how long your buffer would last a dry spell. Your entries are saved on this device so they are here next time. Nothing is sent anywhere.
How the safe salary is worked out
It takes the lower of your average income and a cautious figure (75% of average, nudged toward your weakest month), then subtracts the tax share. The idea is to draw a salary you can sustain through a normal dip, not the best month you have had. The full Irregular Income Budget System does this month by month with a rolling average, a target-salary planner and a proper dashboard.
Sorting your tax pot rather than your salary? Try the Tax Set-Aside Calculator. Chasing an invoice that should have been paid by now? The Late Payment Interest Calculator works out the statutory interest and fixed compensation you can add to it.