Mortgage Calculator
Calculate your monthly payment and understand the breakdown of your mortgage.
How Your Monthly Mortgage Payment Is Calculated
Your monthly mortgage payment depends on four variables: the home price, your down payment, the interest rate, and the amortization period. The calculator above uses the standard Canadian mortgage amortization formula, which assumes semi-annual compounding — a requirement under Canadian banking law that makes our mortgage math slightly different from the U.S. system.
Understanding Each Input
Home Price is the total purchase price of the property. In Ontario's current market, the average home price varies significantly by region — from around $500,000 in smaller cities to over $1 million in the Greater Toronto Area.
Down Payment determines whether you need mortgage default insurance. Put less than 20% down and you'll pay a CMHC, Sagen, or Canada Guaranty insurance premium (ranging from 2.8% to 4.0% of the mortgage amount) that gets added to your loan balance. The calculator factors this in automatically. If you're buying your first home, our first-time homebuyer Ontario guide walks through down payment tiers and rebates in detail.
Interest Rate is your contracted mortgage rate — not the stress test rate. As of 2026, competitive 5-year fixed rates in Ontario range from approximately 4.0% to 5.5% depending on the lender and your financial profile. A mortgage broker like Pathway compares rates across a wide lender network to find your best option. You can compare current mortgage rates across all terms at any time.
Amortization is how long you'll take to pay off the mortgage in full. A 25-year amortization is standard for insured mortgages. Choosing 30 years lowers your monthly payment but increases the total interest paid over the life of the loan. For example, on a $400,000 mortgage at 4.79%, switching from 25 to 30 years drops your monthly payment by roughly $180 — but costs an additional $35,000 in interest. If you're approaching a renewal, our renewal and refinancing guide covers whether to break your term or wait.
The Stress Test: What You Qualify For vs. What You Pay
Canadian lenders must qualify you at the higher of your contract rate plus 2%, or the Bank of Canada's benchmark qualifying rate (currently 5.25%). This means your actual payments will be lower than what the bank tests you against. The stress test exists to ensure you can handle rate increases at renewal — an important safeguard in a variable-rate environment.
See What You Actually Qualify For
A calculator gives you an estimate. An Ontario mortgage pre-approval gives you certainty. Get a free, no-obligation mortgage review and we'll tell you exactly what you qualify for — often same day.
Get Your Free ReviewHow Much Mortgage Can You Afford in Ontario?
Affordability depends on two key ratios that every Canadian lender uses: your Gross Debt Service (GDS) ratio and your Total Debt Service (TDS) ratio. These ratios determine the maximum mortgage amount a lender will approve — regardless of what a seller is asking for the property.
The Two Ratios Lenders Use
GDS Ratio (Gross Debt Service) measures how much of your gross income goes toward housing costs — including your mortgage payment, property taxes, heating, and half of any condo fees. Most lenders cap this at 39% of your gross annual income.
TDS Ratio (Total Debt Service) adds all your other debt obligations on top of housing costs — car payments, student loans, credit card minimums, lines of credit. This is typically capped at 44% of gross income. If you carry significant debt, your TDS ratio will be the limiting factor in how much you can borrow.
What the Calculator Tells You
The Maximum Mortgage Amount is the largest loan a lender would approve based on your income, debts, and the stress-tested interest rate. The Maximum Purchase Price adds your available down payment to that mortgage amount — this is the most expensive home you could buy. The Estimated Monthly Payment shows what you'd actually pay each month at the current market rate (not the stress test rate).
Factors That Increase Your Buying Power
Reducing your monthly debt payments has the biggest impact on affordability. Paying off a $400/month car loan could increase your maximum purchase price by $80,000 or more. A larger down payment also helps — not only does it reduce the mortgage amount needed, but putting 20% or more eliminates the CMHC insurance requirement and may unlock better interest rates. If you have a co-borrower, their income gets added to your household income for qualification purposes.
Keep in mind that what you qualify for and what you should comfortably spend are two different things. A good rule of thumb: if your monthly housing costs (mortgage, taxes, insurance, utilities) exceed 30% of your take-home pay, you may feel stretched. Your Pathway mortgage advisor can help you find the sweet spot between maximizing your budget and maintaining financial flexibility.
Get a Personalized Affordability Assessment
Your real buying power depends on your full financial picture — credit score, employment type, existing assets, and more. A 15-minute conversation can give you a clear number to work with.
Get Your Free ReviewClosing Cost Calculator
Estimate the total closing costs for your home purchase. Adjust the sliders to match your situation.
Ancillary Costs
Adjust the sliders or type your own values. Defaults are typical Ontario estimates.
What You'll Pay at Closing — Quick Reference
| Closing Cost | What to Expect |
|---|---|
| Government & Tax | |
| Land Transfer Tax | Depends on province and purchase price — use the calculator above for your estimate |
| PST on Insurance Premium | 8% of your CMHC/Sagen premium if putting less than 20% down (Ontario, QC, SK) |
| Professional Services | |
| Lawyer & Admin | $1,500 – $2,500 depending on complexity |
| Title Insurance | $300 – $800 based on mortgage size |
| Home Inspection | $400 – $600 in Ontario |
| Appraisal | $300 – $600 — your lender may cover this |
| Settlement & Insurance | |
| Closing Adjustments | $500 – $2,000 for prepaid property tax, utilities, condo fees |
| Home Insurance | Required by lenders before closing — varies by provider |
Understanding Your Closing Costs
Most closing costs are handled through your real estate lawyer and come due in the final days before you receive the keys. The biggest variable is usually Land Transfer Tax, while the remaining costs fall within predictable ranges. Here's what each one means for your bottom line.
Government & Tax Costs
Land Transfer Tax (LTT)
This is a one-time provincial tax charged when ownership of a property changes hands. In Ontario, the tax is calculated on a marginal rate system — meaning different portions of the purchase price are taxed at progressively higher rates (from 0.5% on the first $55,000 up to 2.5% above $2 million). If you're buying in Toronto, a separate municipal land transfer tax applies on top of the provincial one. First-time buyers in Ontario can claim up to $4,000 back on the provincial tax, and up to $4,475 on the Toronto municipal tax.
PST on Default Insurance
When your down payment is under 20%, your lender requires mortgage default insurance from CMHC, Sagen, or Canada Guaranty. The insurance premium itself gets added to your mortgage balance — you don't pay it upfront. However, Ontario (along with Quebec and Saskatchewan) charges 8% provincial sales tax on that premium, and that PST portion must be paid in cash at closing. On a $500,000 home with 10% down, this works out to roughly $1,100. It's one of the costs that catches first-time buyers off guard.
Professional Services
Real Estate Lawyer & Administrative Fees
Your lawyer handles the title search, registers the mortgage, coordinates the transfer of funds between all parties, and ensures the deal closes properly. This is a bundled fee that typically includes both the lawyer's professional fee and administrative disbursements (courier fees, registration charges, etc.). Always ask for an itemized quote upfront so there are no surprises.
Title Insurance
A one-time policy that protects you and your lender against issues with the property's title — things like fraud, forgery, survey errors, or encroachments that weren't caught during the title search. The cost scales with your mortgage amount and is arranged through your lawyer. Most lenders require it, and it's well worth the peace of mind.
Home Inspection
If your offer includes an inspection condition, a licensed inspector will examine the property's structure, mechanical systems, roof, foundation, and more. The inspection report gives you leverage to negotiate repairs or walk away if something major is discovered. Even in competitive markets where buyers waive conditions, a pre-offer inspection can be worth the investment.
Property Appraisal
Lenders sometimes require an independent appraisal to confirm the property is worth what you're paying. In many cases, your lender covers this cost directly. If they don't, expect to pay $300–$600 depending on the property type, size, and location. Your mortgage broker can tell you in advance whether an appraisal will be needed for your specific deal.
Settlement & Other Costs
Closing Adjustments
When ownership changes hands, costs like property taxes, utilities, and condo fees need to be split fairly between buyer and seller based on the closing date. If the seller has prepaid property taxes for the rest of the year, you'll reimburse them for the portion covering your ownership period. Your lawyer calculates all of this and folds it into the final closing statement.
Status Certificate Review (Condos)
Buying a condo? The status certificate is a detailed package from the condo corporation that reveals the building's financial health, reserve fund status, pending lawsuits, and any special assessments on the horizon. Having a specialist review it ($350–$450) can uncover red flags that aren't visible during a showing.
Wire Transfer & Bank Draft Fees
Your down payment and closing funds need to be transferred to your lawyer's trust account, usually by certified cheque or wire transfer. Banks typically charge $100–$200 for this. It's a small cost, but worth knowing about so you're not scrambling on closing day.
Home Insurance
Every lender requires proof of home insurance before they'll release your mortgage funds. You'll need an active policy in place by closing day. Shop around — premiums vary significantly between providers, and bundling with your auto insurance often yields a discount. Budget for this separately from your closing costs since it's an ongoing annual expense.
Beyond the Closing Table
Your closing costs cover the transaction itself, but moving into a new home comes with its own expenses: hiring movers or renting a truck, connecting utilities, replacing locks, buying appliances or furniture, and tackling any immediate repairs or upgrades. Building a small buffer beyond your closing costs will help you settle in without financial stress.
Want a Personalized Breakdown?
Every situation is different. Get a free, no-obligation mortgage review and we'll walk you through exactly what your closing costs will look like.
Get Your Free ReviewOntario Land Transfer Tax Calculator
Calculate the provincial and municipal land transfer taxes on your Ontario home purchase. Toronto buyers pay both provincial and city taxes.
Land transfer taxes are a significant closing cost. Let us factor this into your mortgage strategy.