A budget planner is a tool, such as a worksheet ... take-home pay, or your monthly income after taxes. A pay stub will likely be the easiest place to find this information. Your fixed expenses.
From the “Personal Monthly ... search for “home budget” in Excel’s template section, and you’ll find options that are pre-configured with categories for income, expenses, and summaries.
That way, you can create your own monthly budget worksheet and get a sense of how much you'll spend each month going forward. Keep in mind some expenses will be fixed, such as your rent or a car ...