Add up all wages, salaries, tips, bonuses, and commissions earned in one year
Include income from self-employment or freelance work
Include interest, dividends, rental income, and other investment income
Include pension, retirement, and Social Security income if applicable
Include any other taxable income received during the year
Subtract allowable business expenses if calculating net self-employment income
Use annual pay if paid hourly by multiplying hourly rate by hours worked per year
Use annual pay if paid weekly by multiplying weekly pay by 52
Use annual pay if paid biweekly by multiplying biweekly pay by 26
Use annual pay if paid semimonthly by multiplying semimonthly pay by 24
Use annual pay if paid monthly by multiplying monthly pay by 12
Review pay stubs, tax returns, and bank statements to verify totals
Total all income sources to determine gross yearly income
Subtract taxes and deductions if you need net yearly income