Canadian Mortgage Calculator

Estimate Canadian mortgage payments using semi-annual compounding, your down payment, amortization period, and payment schedule. This page also keeps the formula, examples, FAQs, and references close by so you can check the result with confidence.

What This Canadian Mortgage Calculator Helps You Do

The calculator shows the payment per schedule, the CMHC-style premium when needed, and the full repayment cost. Review the formula and examples below if you want to see how the result is derived.

This page is meant to give you a fast answer, but it also helps you double-check the math before you make a decision. Start with the inputs that you already know, run the calculation, and then compare the output with the formula, examples, and FAQs below so you can see whether the answer fits the situation you are modeling.

If the result looks off, the usual causes are a unit mismatch, a missing decimal, the wrong scenario, or a value that needs to be entered as a rate instead of a total. The notes on this page are designed to make those checks easy without forcing you to leave the calculator and search for context elsewhere.

  • Use the calculator first for a quick estimate.
  • Use the formula to understand how the result is built.
  • Use the examples to compare common use cases.
  • Use the references when the answer depends on a standard or assumption.

Common Checks

A quick result is useful, but the best result is one that still makes sense when you look at it a second time. If you are comparing scenarios, try changing one input at a time so you can see which variable has the biggest impact on the final answer. That makes it much easier to spot whether the calculation matches your expectations.

It also helps to keep the context of the problem in mind. A calculator can tell you the math, but you still need to decide whether the input represents a total, a rate, an average, or a category-specific assumption. When in doubt, start with a simple example from the page and scale up from there.

  • Check that every unit matches the rest of the problem.
  • Keep rates, totals, and averages separate.
  • Adjust one variable at a time when testing scenarios.
  • Use the smallest realistic input first, then scale upward.

Scenario Planning

This calculator is especially useful when you want a quick answer before you commit time, money, or effort. Try one baseline input set, then change a single number and compare the result so you can see how sensitive the answer is to that variable.

That makes the page useful for more than just arithmetic. It becomes a small decision aid that helps you compare options, test assumptions, and explain the final number with confidence when you need to share it with someone else.

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Result

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Quick Answer: The calculator shows the payment per schedule, the CMHC-style premium when needed, and the full repayment cost. Review the formula and examples below if you want to see how the result is derived.

How to Calculate Canadian Mortgage Calculator

  1. Enter the home price: Use the purchase price of the Canadian property.
  2. Add the down payment and rate: The calculator applies CMHC-style insurance where needed.
  3. Choose the payment schedule: Compare monthly, bi-weekly, or weekly payments.

Canadian Mortgage Calculator Formula

Mortgage payment = loan × periodic rate / (1 - (1 + periodic rate)^(-payments)); CMHC premium depends on the loan-to-value ratio
Variable Meaning Unit
Home price Purchase price of the property $
Down payment Up-front deposit as a percentage of price %
Amortization Loan repayment term years

Worked Examples

USA - Purchase example
  • Home price: C$760,000
  • Down payment: 5%
  • Rate: 5.5%

Result: Down payment of C$51,000 with mortgage insurance added if needed

This follows the CMHC example for a high-loan-to-value home purchase.

UK - Monthly payment
  • Home price: C$500,000
  • Down payment: 10%
  • Rate: 5.25%

Result: A recurring payment that reflects the selected amortization period

Higher down payments reduce the insured loan amount.

EU - Bi-weekly schedule
  • Home price: C$420,000
  • Down payment: 20%
  • Rate: 4.8%

Result: A smaller payment than monthly with the same underlying loan

The payment frequency changes the cash-flow pattern even when the loan stays the same.

How to Interpret Your Results

Range Meaning Action
Low down payment Mortgage insurance is likely required Check how the premium changes the loan balance.
Moderate down payment The insurance premium shrinks as equity rises Compare monthly and bi-weekly payments.
High down payment Insurance may not be needed Focus on rate and amortization length.

Frequently Asked Questions

That is the standard compounding convention for most Canadian mortgages.

This calculator adds a CMHC-style premium when the loan-to-value ratio is above 80%.

Yes. Use the schedule selector to compare monthly, bi-weekly, and weekly payments.
Planning note: This is a planning estimate. Lender rules, fees, and insurance conditions can change the final mortgage cost.

References

Last reviewed: March 2026