📋 Instalments 2026
Tax Instalments Calculator 2026
Quarterly CRA payments for Ontario self-employed — avoid the CRA prescribed interest rate, which is reset every quarter penalty interest.
Income Details
Each Quarterly Instalment
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Total Annual Tax Est.
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Required?
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Penalty Rate (if missed)
the CRA prescribed interest rate, which is reset every quarter
2026 Payment Calendar
Q1 — Due March 15
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Q2 — Due June 15
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Q3 — Due Sep 15
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Q4 — Due Dec 15
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Frequently Asked Questions
Who must pay CRA tax instalments?
You must pay quarterly instalments if your net tax owing (after withholding) exceeds $3,000 in both the current year and either of the two previous years. This affects self-employed, rental income earners, and investors.
What happens if I miss an instalment?
The CRA charges interest at the prescribed rate (approximately the CRA prescribed interest rate, which is reset every quarter in 2026) compounded daily on any instalment arrears. You may also face an instalment penalty if your late payments are significant.