Wondering how much your monthly mortgage payments will be and what you can afford? Or how much you need to set aside for your monthly RRSP contributions? Our easy-to-use calculators can help you work out the details of your financial plan and assist you in reaching your goals. For example, use the calculators* to help determine the following:


Purchasing a home? What size of mortgage can you afford? See how increasing your payment amount or payment type affects your amortization period.


Considering a loan? See what you can afford before you shop.


Comparing investment products? See how a normal taxable investment compares to a TFSA.


Considering payment options? Calculate different payment options from your RRIF.

Retirement Plan

Planning your retirement goals? How much do you need to save for a comfortable retirement? Use this calculator to help you create your retirement plan.

Foreign Exchange

Travelling? See how your money converts to different currencies.

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When you're a member of Interior Savings, you're among friends. What do you need to get done today?


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*Calculators are for illustration purposes only and may differ from calculations obtained in the branch.