Monthly Budgeting Tool
How to use this planning tool
Enter each source of monthly income, then add expenses with the correct Monthly or Annual frequency. Annual costs are divided by 12. Use a consistent currency and record the income actually available for spending; mixing before-tax income with after-tax expenses can make the budget look more comfortable than it is.
PUTTING COSTS ON A MONTHLY BASIS
A $1,200 annual insurance bill contributes $100 per month. A $240 annual subscription adds $20. These monthly equivalents help you compare costs, but the full bill may still fall due on one date. Keep track of payment timing as well as the monthly average.
READING THE SURPLUS OR DEFICIT
Monthly surplus or deficit = total monthly income − total monthly expenses. With $3,000 income and $2,500 expenses, the surplus is $500. With $3,200 expenses, the deficit is $200. A surplus is the amount left after the entries included here; it is not automatically money available for an additional commitment.
MAKE THE PLAN MORE COMPLETE
Include variable and irregular costs such as groceries, repairs, gifts, and annual renewals. Check whether savings contributions and debt payments have already been entered before adding them again. If income varies, compare several realistic months rather than assuming every month will match the best one.
Review the plan against statements and receipts, adjust estimates when circumstances change, and export a CSV if you want a copy. Check the exported file before relying on it as a record. This planner organizes your entries; it does not connect to your bank, predict future income, or verify that every expense has been included.