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Ontario Mortgage Payment Calculator

Estimate your monthly mortgage payments before buying a home in Ontario.

Estimate your mortgage payment

Use this calculator to estimate monthly mortgage payments before viewing homes in Durham Region. Adjust the price, down payment, amortization, and interest rate to understand how each factor affects your budget.

  • • Compare payments across Pickering, Ajax, Whitby, Oshawa, and nearby areas
  • • See how down payment and interest rates change monthly costs
  • • Set a realistic price range before booking showings
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See How It Works

Estimates only. Not a mortgage approval or commitment. Always confirm details with a licensed mortgage professional.

Mortgage payment calculator

powered by Ratehub.ca

How to use this mortgage calculator

  1. Enter a home price.
    Try a realistic price for the city you’re interested in (for example, a typical home price in Whitby or Oshawa).
  2. Choose your down payment.
    Test different down payment amounts to see how your monthly payment and CMHC insurance might change.
  3. Select the amortization period.
    25 years is common in Canada, but you can explore longer or shorter options to see how it affects payments.
  4. Adjust the interest rate.
    Use a current rate from your bank or broker. Try a slightly higher rate as a “stress test”.
  5. Review the monthly payment.
    Compare your estimated payment to your income, other debts, and lifestyle costs in Durham Region.

Once you’ve tested a few scenarios, you’ll have a clearer idea of the price range that feels comfortable. From there, you can start browsing homes for sale in Cornwall or book a quick call with Kazi to discuss your options.

Example: Buying in Whitby

Here’s a simple illustration to help you think about numbers in Durham Region. This is not advice, just an example.

  • • Home price: $900,000 (Whitby freehold)
  • • Down payment: 10% ($90,000)
  • • Mortgage amount: ≈ $810,000 + CMHC (if applicable)
  • • Amortization: 25 years
  • • Interest rate: e.g., 5.0% (for illustration)

In the calculator, you could plug in these numbers and see an estimated monthly mortgage payment. Then, try:

  • • Increasing the down payment to 15% or 20%
  • • Testing a higher rate (for example, 5.5%) as a stress test
  • • Comparing similar prices in Oshawa or Clarington

Property tax, utilities, condo fees (if applicable), and insurance are not included in this simple example. Make sure to budget for those when planning your purchase.

Contact Kazi for a quick chat
No pressure, no spam. Just a quick conversation to see if this program is right for you.

Mortgage calculator FAQ for Durham buyers

Common questions from home buyers in Whitby, Oshawa, Ajax, Pickering and Clarington.

This calculator gives you an approximate monthly payment based on the price, interest rate, amortization, and down payment you enter. It does not include things like property tax, utilities, condo fees, or home insurance. For a firm approval, you should always speak with a licensed mortgage professional.

In Canada, the minimum down payment is 5% on the first $500,000 of the purchase price, 10% on the portion between $500,000 and $999,999, and 20% on $1M+ purchases. Your lender or mortgage broker can help you understand exactly what applies to your situation.

Yes. The payment math is the same for detached homes, townhouses, and condos. For condos, remember to factor in the monthly condo fee separately, as it can affect how much you comfortably afford.

Absolutely. Try adjusting the purchase price and down payment to see how your monthly payment changes. Many buyers in Ontario use this tool to compare payments for different neighbourhoods and property types.

Use the estimate as a starting point, then book a quick call with me or your mortgage professional to review your income, credit, and down payment. From there we can narrow down a realistic budget and start booking showings that fit your comfort zone.