Add your income and expenses to this monthly budget planner ... A budget planner is a tool, such as a worksheet or template, that you can use to design your budget. A successful budget planner ...

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 ...

The Federal Trade Commission offers an editable monthly budgeting worksheet worth checking out. You can add your income and expenses across a variety of categories and it will do the math for you.