Canada Source Deductions Calculator

Calculate Canadian source deductions including CPP, EI, and income taxes for all provinces and territories

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Worked Example & Common Values

Below is a sample worked calculation demonstrating how Canada Source Deductions Calculator processes input data instantly inside your browser.

Sample Input Room Area: 1,500 sq ft, Ceiling: 9 ft, Occupancy: 5 people

Computed Result Recommended flow rate: 600 CFM, Duct diameter: 12 inches

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About This Tool

This comprehensive Canadian source deductions calculator helps employers and employees calculate mandatory payroll deductions including Canada Pension Plan (CPP) contributions, Employment Insurance (EI) premiums, and federal/provincial income tax deductions. The tool supports all Canadian provinces and territories with accurate calculations based on current CRA rates and brackets. Simply enter income details, select your province, and get a detailed breakdown of deductions and net pay.

Save your calculation history with a free account

How to Use

Select your province or territory from the dropdown menu
Enter your gross annual income or hourly wage with hours worked
Choose the tax year (current year is pre-selected)
Select your pay frequency (annual, monthly, bi-weekly, etc.)
Check any applicable options like additional CPP contributions
Click 'Calculate Deductions' to see detailed results
Review the breakdown of CPP, EI, federal tax, provincial tax, and net pay

Frequently Asked Questions

Find Quick Answers

What are source deductions in Canada?

Source deductions are mandatory payroll deductions that employers must withhold from employees' pay, including Canada Pension Plan (CPP) contributions, Employment Insurance (EI) premiums, and federal/provincial income taxes.

Does this calculator include all Canadian provinces and territories?

Yes, the calculator includes accurate tax rates and brackets for all 10 provinces and 3 territories: Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan, Northwest Territories, Nunavut, and Yukon.

How current are the tax rates used in this calculator?

The calculator uses the most recent tax rates, brackets, CPP contribution rates, and EI premium rates published by the Canada Revenue Agency (CRA) for the selected tax year.

Can I calculate deductions for different pay frequencies?

Yes, you can select from multiple pay frequencies including annual, monthly, semi-monthly, bi-weekly, weekly, and daily. The calculator automatically adjusts the calculations accordingly.

Need to run multiple calculations?

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