Updated 2026
Canadian semi-annual compounding · Extra payments · Target payoff

Mortgage Early
Payoff Calculator

See exactly how much interest you save with extra payments — or find out how much extra you need to pay to be mortgage-free in your target number of years. Built for Canada's semi-annual compounding rules.

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Your mortgage details

$CAD
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Uses Canadian semi-annual compounding (not monthly). Avg 5-year fixed rate May 2026: 5.19%
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Interest saved
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Paid off earlier
25 yrs
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Original payoff: 25 yrs With extra: — yrs
Interest comparison
Original total interest
Interest with extra payments
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Original schedule With extra payments
Year-by-year amortization

Results are estimates for informational purposes only — not financial advice. Always consult a licensed professional before making decisions. Terms of use →

How to pay off your mortgage faster in Canada

Canadian mortgage rules give you several tools to pay down your mortgage early — use them wisely.

🏦 Prepayment privileges

Most Canadian lenders allow you to prepay 10–20% of the original mortgage amount annually without penalty. This is called your "prepayment privilege." Exceeding this amount during a closed term triggers an IRD or 3-month interest penalty — always check your mortgage contract first.

📅 Accelerated bi-weekly payments

Switching from monthly to accelerated bi-weekly payments is one of the easiest ways to pay off your mortgage faster. You make 26 half-payments per year (equivalent to 13 monthly payments instead of 12) — effectively making one extra monthly payment per year with no budgeting effort.

💰 Annual lump sum payments

Using a tax refund, bonus, or inheritance as a lump-sum prepayment hits your principal directly — every dollar reduces the balance on which interest is calculated for the rest of your amortization. A $10,000 lump sum at 5.19% saves approximately $16,000–$22,000 in interest depending on when you apply it.

🔢 Canadian semi-annual compounding

Canadian mortgages compound semi-annually (twice per year) rather than monthly like US mortgages. The effective monthly rate is: (1 + annual rate ÷ 2)^(1/6) − 1. This makes Canadian mortgages slightly cheaper than they appear — and means any principal reduction has a compounding benefit over the full amortization.

📈 Increase payment at renewal

At the end of each term (typically 5 years), you can increase your regular payment amount without penalty. Even a modest increase of $200–400/month at renewal can shave 3–5 years off a 25-year mortgage. Renewal is also when you can shorten your amortization period directly — ask your lender.

⚠️ When to NOT prepay

Prepaying your mortgage isn't always the best financial move. If your mortgage rate is 5.19% but you can earn 6–8% in a diversified portfolio, investing may beat prepaying mathematically. Also max your TFSA and RRSP first — their tax advantages often outperform mortgage prepayment returns.

Mortgage prepayment FAQs

How much can I prepay without penalty in Canada?

Most major Canadian lenders (Big 6 banks, credit unions) allow 10–20% of your original mortgage balance as a penalty-free lump-sum prepayment annually, plus 10–20% increase in your regular payment amount. Check your specific mortgage contract — the exact privilege varies by lender and mortgage type. Open mortgages allow unlimited prepayment; closed mortgages have strict limits.

What's the difference between accelerated and regular bi-weekly payments?

Regular bi-weekly: your monthly payment ÷ 2, paid every two weeks (24 payments/year, same as monthly). Accelerated bi-weekly: your monthly payment ÷ 2, paid every two weeks but 26 times per year — this makes the equivalent of one extra monthly payment per year. Accelerated bi-weekly is the one that saves significant interest. This calculator models accelerated bi-weekly.

Should I pay off my mortgage or invest instead?

The math depends on your mortgage rate vs. expected investment returns. At 5.19% mortgage rate, guaranteed return on prepayment is 5.19%. A diversified equity portfolio historically returns 6–9% annually, but with volatility. Most financial advisors in Canada suggest: first max your TFSA (tax-free growth) and RRSP (tax deduction), then split extra money between mortgage prepayment and non-registered investing.

Does this calculator account for Canadian mortgage rules?

Yes — this calculator uses Canadian semi-annual compounding as required by law for all fixed-rate mortgages in Canada. The effective monthly rate is derived as (1 + rate/2)^(1/6) − 1, which gives a slightly lower effective rate than monthly compounding used in the US. All calculations are in Canadian dollars.

Can I increase my mortgage payment at any time?

During a closed term, most lenders allow you to increase your regular payment by 10–20% once per year without penalty. You cannot freely increase beyond that limit until renewal. At renewal, you can reset to any payment amount. Some lenders (particularly monoline lenders) offer more flexible prepayment privileges — ask when shopping for your next mortgage term.

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