Last updated: May 2026
General Information Only
marginaltaxcalc.ca provides general educational information about Ontario and Canadian tax rates. The results produced by this calculator are estimates intended for planning and informational purposes only. They are not a substitute for advice from a qualified tax professional.
Not Tax Advice
Nothing on this website constitutes tax advice, legal advice, financial advice, or professional services of any kind. The operators of marginaltaxcalc.ca are not Chartered Professional Accountants (CPAs), tax lawyers, or financial advisors. We do not accept responsibility for decisions made based on the outputs of this calculator.
Accuracy
We make reasonable efforts to keep rates and thresholds current and accurate, based on official publications from the Canada Revenue Agency (CRA) and Employment and Social Development Canada (ESDC). However, tax rules can change, and we cannot guarantee that all information is current, complete, or free of error. Verify all figures against the most recent official CRA publications before making financial decisions.
Individual Circumstances
Tax outcomes vary significantly based on individual circumstances including filing status, deductions, credits, income sources, province of residence, residency status, and treaty positions. This calculator does not account for the majority of deductions and credits available under the Income Tax Act. Your actual tax liability may be materially different from the estimates produced here.
Ontario Residents Only
This calculator is designed for Ontario residents. Provincial rates, surtax schedules, and health premiums differ across provinces. Results are not valid for residents of any other province or territory.
Professional Advice
For tax planning, business income, self-employment, capital gains, estate planning, or any situation involving significant tax amounts, consult a Chartered Professional Accountant (CPA) licensed in Ontario.