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.
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 ...
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.