The Financial Tools below are designed to help you calculate many aspects of your finances...

Financial Consumer Agency of Canada:

Calculators: Credit Card, Banking, Mortgage, Budgeting

CCH Canadian:

Calculators: RRSP, Line of Credit, Chequebook Balancer, TFSA, Lease vs. Loan, Home Budget, Education Savings, etc.  

Canada Revenue Agency:

Calculator: Payroll Deductions

Bank of Canada:

Currency Convertor