CRA Penalty & Interest — Simple Calculator
Three quick steps. Clear estimates. Smart guidance.
1 • Basics
2 • Optional
3 • Results
We’ll surface the right rules for filing/payment penalties.
ON if CRA charged you a late-filing penalty in one of the past 3 years.
Don’t know unpaid tax? Estimate it
If you leave “Unpaid tax” blank, we’ll estimate it at 12.22% of profit (revenue − expenses).
Edit if CRA updates the quarterly rate.
When ON, arrears interest is not applied.