Accelerated Payment Calculator
Switching to accelerated bi-weekly or accelerated weekly payments is the single most effective no-cost way to pay off a Canadian mortgage years early. See the exact numbers for your mortgage below.
Accelerated Payment Calculator
Compare standard vs. accelerated payment schedules and see exactly how much you save.
| Frequency | Payment | Annual Total | Years to Payoff | Total Interest | vs. Monthly |
|---|---|---|---|---|---|
| Monthly (current) | $2,709 | $32,512 | 25.0 yrs | $312,788 | — |
| Bi-Weekly | $1,250 | $32,512 | 25.0 yrs | $311,411 | saves $1,377 |
| Accelerated Bi-Weekly | $1,355 | $35,221 | 21.8 yrs | $266,700 | saves $46,088 |
| Weekly | $625 | $32,512 | 24.9 yrs | $310,822 | saves $1,966 |
| Accelerated Weekly | $677 | $35,221 | 21.8 yrs | $266,185 | saves $46,603 |
Switching to accelerated weekly saves $46,603 and pays off your mortgage 3.2 years earlier.
A broker will confirm this with real lender quotes — for free.
How Accelerated Payments Work
"Accelerated" is a specific term in Canadian mortgage banking. It means your payment is set to a fraction of the monthly amount (÷ 2 for bi-weekly, ÷ 4 for weekly) rather than a pro-rata share of the annual total. The effect is that you make 26 half-payments or 52 quarter-payments per year — mathematically equivalent to 13 monthly payments annually instead of 12.
That one extra monthly payment per year goes entirely to principal. On a $500,000 / 4.29% / 25-year mortgage, accelerated bi-weekly:
- Pays off the mortgage in about 21.5 years instead of 25
- Saves approximately $35,000–$45,000 in interest over the amortization
- Costs only about $210 extra per month — barely noticeable in most household budgets
When Accelerated Payments Are a Slam Dunk
- At renewal — you're already changing your mortgage, so toggle the frequency while you're at it
- Early in amortization — the extra principal compounds harder, larger dollar savings
- Bi-weekly income — align payments with paydays, makes it feel painless
- No higher-rate debt — if credit cards or LOCs are paid off, extra cashflow is best used here
Caveats & When to Stay Monthly
- Cashflow sensitive — the extra payment is real money; if you're on tight budget, stay monthly and use your privilege for an annual lump sum
- Planning to sell or move — if you'll sell in 1–3 years, the savings are tiny and not worth the setup
- No prepayment privilege — some niche lenders consider accelerated payments as prepayment and cap them; check your commitment letter
- Better marginal uses — if your TFSA or RRSP isn't maxed and you're in a high tax bracket, contributing there may beat mortgage prepayment
How to Switch
Call your lender or log into online banking. All Big 6 banks (TD, RBC, BMO, Scotiabank, CIBC, National Bank) and all major monolines (First National, MCAP, Strive, RFA, CMLS, Equitable Bank) allow free payment-frequency changes, typically once per year. Specify "accelerated bi-weekly" explicitly — just saying "bi-weekly" gets you the non-accelerated version that saves nothing.
Frequently Asked Questions
What's the difference between bi-weekly and accelerated bi-weekly? +
Standard bi-weekly = monthly payment × 12 ÷ 26. Same total paid per year as monthly — no amortization benefit. Accelerated bi-weekly = monthly payment ÷ 2, paid every two weeks. That's 26 payments × half-month = one extra monthly payment per year, shaving 3–5 years off a 25-year amortization. Verify with your lender which one you're on — 'bi-weekly' without 'accelerated' is just a scheduling preference.
Can I switch from monthly to accelerated bi-weekly mid-term? +
Yes — all major Canadian lenders allow a payment-frequency change once per year, free of charge, without re-qualifying. You can request it through online banking or by phone. It takes effect on your next scheduled payment cycle.
Does accelerated weekly beat accelerated bi-weekly? +
Yes, but only marginally. Accelerated weekly = monthly ÷ 4 × 52, which equals the same annual total as accelerated bi-weekly but compounds slightly faster. The interest savings difference on a $500,000 / 25-year mortgage is typically $200–$800 over the full term — negligible compared to the ~$30,000 savings vs. standard monthly.
Is accelerated bi-weekly better than a lump sum? +
They're different tools. Accelerated bi-weekly is an ongoing drip — slightly more to principal each year, compounding over time. A lump sum is a one-shot, bigger-impact move. The best strategy is often both: accelerated bi-weekly as your default, plus one lump sum at each anniversary using your privilege. Use our Prepayment Lump Sum Calculator to compare.
Will my monthly budget feel the difference with accelerated payments? +
Slightly. Accelerated bi-weekly costs ~8.3% more per year (one extra monthly payment ÷ 12 months). On a $2,500/month payment, that's an extra ~$210/month spread across 26 payments. Most households hardly notice, but if cashflow is tight, the standard schedule with annual lump sums may be more sustainable.
Related Guides
Payment Frequency Calculator
Accelerated bi-weekly vs. monthly — see total interest saved.
Amortization Schedule Calculator
See the principal/interest split for every month of your new term.
Lump-Sum Prepayment Calculator
Model interest savings from a one-time lump-sum payment.
Prepayment Privileges in Canada
Lump-sum, double-up, and 15/15 vs. 20/20 privilege breakdown.
Lower Your Payments at Renewal
Legitimate levers to reduce monthly payment pressure at renewal.
All Renewal Calculators
Payment, stress test, switch break-even, prepayment — all in one place.
Switching at Renewal? Lock Acceleration In
A licensed mortgage broker will set up accelerated bi-weekly on your new mortgage and negotiate a lower rate to multiply the savings — free.