Last updated: June 2026
1. Informational Purpose Only
ontariomarginaltaxcalc.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.
2. Not Government Affiliated
This website is not affiliated with, endorsed by, or connected to the Canada Revenue Agency (CRA), the Ontario Ministry of Finance, or any government body. Official tax information should always be verified directly with the relevant government agency.
3. No Professional Relationship
Use of this calculator does not create a professional relationship of any kind. The operators of ontariomarginaltaxcalc.ca are not Chartered Professional Accountants (CPAs), tax lawyers, or financial advisors. We do not provide personalized tax advice.
4. No Warranty
We make reasonable efforts to keep rates and thresholds current and accurate based on official publications from the CRA and ESDC. However, tax rules can change, and we cannot guarantee that all information is current, complete, or free of error. This site and calculator are provided "as is" without warranty of any kind — express or implied — including accuracy, fitness for a particular purpose, or non-infringement.
5. Limitation of Liability
To the maximum extent permitted by law, ontariomarginaltaxcalc.ca and its operators shall not be liable for any direct, indirect, incidental, consequential, or punitive damages arising from use of this site or reliance on its results. This includes tax underpayments, penalties, interest, or financial losses of any kind.
6. Governing Law
This disclaimer is governed by the laws of the Province of Ontario and the federal laws of Canada applicable therein.