Ontario Payroll Calculator
Calculate Ontario payroll deductions for 2025 including federal and provincial income tax, Ontario Health Premium, CPP, EI, and employer costs like EHT and WSIB. Built for Ontario employers and employees.
Regional Rule Context
Canada Rates and Rules
Federal Tax Brackets
Enter Values
Employer Health Tax applies to total Ontario remuneration over $1M
Workplace Safety & Insurance Board rate varies by industry
Result
Enter values above and click Calculate to see your result.
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Comprehensive Ontario payroll calculator for 2025. Includes federal and Ontario provincial income tax (5.05-13.16%), Ontario Health Premium ($0-$900), CPP, EI, and employer costs: Employer Health Tax (EHT, exempt under $1M) and WSIB premiums (varies by industry).
Disclaimer: This calculator uses publicly available rules effective as of Jan 1, 2025 (version 1.0). Results are for informational purposes only. Always verify with official sources or a qualified professional. Last reviewed: Mar 1, 2026.
Formula
Calculates the specific deductions for Ontario residents, including the unique Ontario Health Premium. It also includes employer-specific costs like Employer Health Tax (EHT) and WSIB premiums.
Canada FAQs
How is the Ontario Health Premium calculated?
The premium is based on taxable income. It starts at $0 for income up to $20,000, increases gradually, and reaches a maximum of $900 for income over $200,600.
What is the EHT exemption for 2025?
The Employer Health Tax (EHT) exemption for private-sector employers is $1 million of their total annual Ontario remuneration. Employers above this threshold pay 1.95%.
What are the 2025 Ontario income tax brackets?
Ontario has 5 brackets: 5.05% (up to $52,886), 9.15% (to $105,775), 11.16% (to $150,000), 12.16% (to $220,000), and 13.16% on income above $220,000.
What is WSIB and how much does it cost?
Workplace Safety and Insurance Board premiums are paid by employers to cover workplace injuries. Rates vary from about 0.2% to over 10% depending on industry risk classification.
How does Ontario tax compare to Alberta?
Ontario has 5 progressive brackets (5.05-13.16%) plus the Ontario Health Premium. Alberta has a flat 10% provincial rate with no health premium, making it significantly lower for most incomes.
What is the Ontario Health Premium?
A surtax on Ontario residents earning above $20,000. It ranges from $0 to $900 per year and is assessed on your tax return, not deducted from payroll. At $48,000 income it is $450. At $200,000+ it is the maximum $900.
Can I embed this Ontario Payroll Calculator on my website?
Yes. Click the "Embed" button at the top of this page to customize the size, colors, and theme, then copy the iframe code. Paste it into any HTML page, WordPress site, or CMS. It is completely free, requires no signup, and works on all devices. You can also visit our embed guide at calculory.com/services/embed-calculators for more details.
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