Your employer calculates your paycheck by starting with your gross pay (total earnings before any deductions), then subtracting mandatory withholdings like income tax, CPP, and EI, plus any voluntary deductions you've authorized. The final amount deposited into your account is your net pay, also called take-home pay. This calculation happens the same way across Canada, though the amounts deducted vary based on your province, salary level, and personal circumstances. Understanding how your paycheck is calculated helps you recognize what's happening with your earnings and plan your finances better. Here's what happens at each stage. Your employer starts by calculating your gross pay, which is your total earnings before anything is removed. This includes: - Your hourly wage or annual salary - Overtime pay (typically 1.5x your regular rate, sometimes 2x) - Bonuses and commissions - Tips (in some cases) - Shift differentials or hazard pay - Paid vacation or sick leave used For salaried employees, this is straightforward. If you earn $50,000 per year, each bi-weekly paycheck starts at approximately $1,923 (before deductions). For hourly workers, your employer multiplies your hourly rate by the hours worked in the pay period.
The difference between gross and net pay includes federal and provincial income tax withholding, CPP contributions, EI premiums, and any voluntary deductions you've authorized like RRSP contributions or insurance premiums. For most Canadians, these deductions total 25-35% of gross pay, though the exact percentage varies based on your salary and province.
Yes, you can adjust your tax withholding by completing a new Form TD1 and giving it to your employer. This is useful if you've had a major life change, work multiple jobs, or expect a large refund. However, the CRA has guidelines about acceptable withholding amounts to prevent you from owing a large amount at tax time.
Contact your payroll department immediately with details about the error. They can review your pay stub, check your personal information and deduction authorizations, and issue a correction if needed. Keep copies of your pay stubs to compare with your T4 slip at tax time.
CPP and EI rates are set federally and apply to all Canadian employees, but the amount deducted depends on your earnings. There's a maximum pensionable earnings threshold for CPP each year, so high earners don't pay more beyond that point. Quebec has different rules and uses QPIP instead of standard EI.
Review your pay stub regularly and compare it to the previous pay period. Check that your gross pay matches your hours worked and hourly rate or annual salary. Verify that tax withholding, CPP, and EI amounts match the CRA's current rates and your personal information. If something looks off, ask your payroll department to explain the deduction.