What does this tool do?
Enter the filing date and the estimated balance due to see the time left and a simple weekly saving target. Filing dates differ by country and filing status, so edit the date to match your own notice.
The Formula
Weekly set-aside = estimated balance due ÷ weeks remainingFrequently Asked Questions
Which deadline should I enter?
Use the deadline printed on your notice or the official filing date for your jurisdiction and filing status. The default is a common 15 April date and can be changed.
Does this include penalties or interest?
No. The balance is treated as a fixed amount and no penalties, interest or payment on account are added. Those depend on the rules where you file.