Add up all sources of income you receive in a month
Include wages, salary, tips, commissions, bonuses, and freelance pay
Include side income, rental income, interest, dividends, and benefits if applicable
Use your gross income if you want income before taxes and deductions
Use your net income if you want the amount you actually take home
If paid weekly, multiply weekly pay by 4.33
If paid biweekly, multiply each paycheck by 26 and divide by 12
If paid semimonthly, multiply each paycheck by 2
If paid annually, divide your yearly income by 12
Add irregular income by averaging it over several months
Subtract taxes and regular deductions if calculating take-home monthly income
Check pay stubs, bank deposits, and income records to confirm the total