Mortgage Payment Calculator for Alberta — BOMCAS Canada

Mortgage Payment Calculator

Estimate Canadian mortgage payments with the correct semi-annual compounding for any rate, amortization and payment frequency.

Tax data last reviewed: 2026-06-26. Current tax year on file: 2026. Figures are sourced from canada.ca (CRA) and provincial finance ministries and are kept current by BOMCAS Canada.

Buying a home in Sherwood Park, Edmonton or anywhere in Alberta starts with knowing the payment. This calculator estimates your regular mortgage payment from the home price, your down payment, the interest rate and the amortization period — and it uses the semi-annual compounding convention that Canadian fixed-rate mortgages follow, so the result is realistic rather than the American monthly-compounding figure many generic tools produce.

Switch between monthly, bi-weekly and weekly to see how payment frequency changes the number.

How it works

Understanding the numbers

Canadian compounding

By law, Canadian fixed-rate mortgages compound semi-annually, not in advance. The calculator converts your annual rate accordingly, which is why its payment differs slightly from simple monthly-interest calculators.

Down payment and insurance

A down payment under 20% requires CMHC mortgage-default insurance, which is added to the mortgage. This estimate does not include the insurance premium, so factor it in if your down payment is below 20%.

Total interest

The calculator shows total interest over the full amortization at the rate entered — a useful reminder of how much a small rate change, or a shorter amortization, can save.

Need this done for you? BOMCAS Canada prepares returns and provides tax planning for individuals and businesses in Sherwood Park, Edmonton and across Alberta. Call 780-667-5250 or email info@bomcas.ca.

Guide

Canadian mortgage payment calculator for Sherwood Park and Edmonton buyers

Buying property in Sherwood Park and Strathcona County

A home is the largest purchase most households ever make, and in the Sherwood Park and Edmonton market it pays to know your payment before you start shopping. This calculator estimates your regular mortgage payment from the price, your down payment, the interest rate and the amortization period, using the semi-annual compounding convention that Canadian fixed-rate mortgages follow by law. That makes the result realistic, unlike generic tools that use American monthly compounding and quietly understate the payment.

Alberta buyers enjoy a real advantage at closing: the province charges no land-transfer tax, so the closing costs that can run to thousands of dollars in Ontario or British Columbia are far lower here. That does not change your mortgage payment, but it does change how much cash you need on closing day.

Down payments, insurance and amortization

The national minimum down payment is 5% on the first $500,000 of the purchase price and 10% on any portion above that. A down payment under 20% requires CMHC mortgage-default insurance, which is added to your mortgage balance — this estimate does not include the insurance premium, so factor it in if you are putting down less than 20%. Choosing a shorter amortization raises the payment but dramatically cuts the total interest you pay over the life of the loan, and switching to accelerated bi-weekly payments adds the equivalent of one extra monthly payment a year.

The tax side of owning property

While we are accountants rather than mortgage brokers, the tax treatment of property is squarely our work. If you rent out a suite or a second property, the income is taxable and many expenses are deductible; if you run a business from home, a portion of your housing costs may be claimable; and when you eventually sell, the principal-residence exemption and capital-gains rules come into play. We help Sherwood Park and Edmonton homeowners structure all of this correctly.

Step by step

How to use the mortgage payment calculator

To estimate your mortgage payment:

  1. Enter the home price and down paymentThe difference is the amount you need to finance.
  2. Add the interest rate and amortizationEnter your rate and the number of years to pay off the mortgage.
  3. Choose a payment frequencyCompare monthly, bi-weekly and weekly to see how frequency changes the payment and total interest.
Answers

Frequently Asked Questions

The national minimum is 5% on the first $500,000 of price and 10% on the portion above that. A down payment under 20% requires CMHC insurance. Alberta has no provincial land-transfer tax, which keeps closing costs lower than in many provinces.
Canadian fixed-rate mortgages compound semi-annually rather than monthly, so the effective interest is slightly lower for the same posted rate. This calculator uses the Canadian convention for an accurate payment.
Accelerated bi-weekly payments add the equivalent of one extra monthly payment a year, shortening your amortization and cutting total interest. Try both frequencies above to compare.
We are accountants, not mortgage brokers, but we regularly help clients understand the tax side of property — rental income, the principal-residence exemption and the tax treatment of a home office.
No. Alberta does not levy a provincial land-transfer tax, which keeps closing costs lower than in provinces such as Ontario and British Columbia. Buyers pay modest land-title registration and mortgage-registration fees instead.
Canadian fixed-rate mortgages compound semi-annually rather than monthly, so the effective interest for a given posted rate is slightly lower. This calculator uses the Canadian convention, producing a payment that matches what a Canadian lender would quote.

These calculators provide estimates for general information only and do not constitute tax, accounting, or financial advice. Figures are based on published federal and provincial/territorial rates and are updated periodically. For advice specific to your situation, contact BOMCAS Canada. These calculators provide good-faith estimates for planning only and do not constitute tax advice or a filing. For advice specific to your situation, contact BOMCAS Canada at 780-667-5250 or info@bomcas.ca.

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