Ontario PJI (prejudgment interest) calculator.
Use this Ontario PJI calculator to estimate simple prejudgment interest using the Courts of Justice Act rate for the quarter when the proceeding started.
Use this worksheet only where no contract, agreement, statute, or regulation supplies another rate. It does not calculate the special rule for non-pecuniary personal-injury damages, partial payments, or a court's discretion to vary or disallow interest.
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The date the legal reason for the claim arose.
The date the court issued the first document in the case. This selects the applicable quarterly rate.
Interest is estimated through the date the court made the order.
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