Ontario Small Claims Court Deadlines Calculator

Our interactive calculator helps you compute deadlines in a Small Claims case.

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Courtready’s Ontario Small Claims Court Deadline Calculator

Ontario Small Claims Court Deadline Calculator

This interactive calculator helps you compute deadlines in an Ontario Small Claims Court case.

⚠️ Last updated: January 2026.

Use this free tool to calculate litigation deadlines under Ontario’s Rules of the Small Claims Court. This calculator determines the date on which a deadline falls by applying Rule 3.01 (computation of time) and Rule 1.02 (definition of “holiday”), including weekends and Ontario court holidays.

Disclaimer: This tool is provided for reference purposes only. Always verify deadlines against applicable law and seek legal advice when appropriate. For questions or to report an error, please email Tom at admin@courtready.ca.

What are you trying to calculate?

A deadline AFTER an event Choose this when a rule gives you X days AFTER an event to do something.

A deadline BEFORE an event Choose this when a rule gives you X days BEFORE an event to do something.

Count days BETWEEN two dates Choose this if you want to know how many days are between event A and event B.

The “Between” option uses the Rule 3.01 convention: exclude the first date, include the second.

Enter the relevant dates and deadline

Event date (e.g., date of service, issuance, or hearing):

Number of days (i.e., the deadline):

First date (earlier event):

Second date (later event):

Calculate

Result:

Explanation (based on Rule 3.01)

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Courtready’s Ontario Small Claims Court Deadlines Calculator

This interactive calculator helps you compute deadlines in an Ontario Small Claims Court case, without having to manually count days or second-guess the rules.

In addition, the tool explains how and why the date was calculated, with reference to rules 1.02 and 3.01, so you can understand the logic behind the result.

You can also learn about how to navigate Ontario’s Small Claims Court with Courtready Academy.

We want to empower Canadians with the right tools and knowledge to navigate our justice system with confidence. Finally, while you are here, be sure to check out our other tools above!