Add up all wages, salaries, and tips before taxes
Include bonuses, commissions, and overtime pay
Add self-employment income before expenses
Include rental income before deductions
Add interest, dividends, and investment income
Include retirement income, pensions, and annuities
Add unemployment benefits and other taxable benefits
Include alimony received if applicable under current tax rules
Add any other sources of income before taxes and deductions
Use the total as your gross income