Accelerated Bi-Weekly Mortgage Payments: How Much Do You Actually Save?
Accelerated bi-weekly payments can shave years off your mortgage and save tens of thousands in interest. Here's how it works and what it's worth in real dollars.
Accelerated Bi-Weekly Mortgage Payments: How Much Do You Actually Save?
It sounds too simple: pay every two weeks instead of once a month and save years off your mortgage. But the math is real, and the savings are meaningful — often $30,000–$80,000 in interest over the life of a mortgage.
Regular vs. Accelerated Bi-Weekly
There are two types of bi-weekly payment options, and they're not the same:
Regular bi-weekly — Your monthly payment is divided by 2 and paid every two weeks. You make 26 payments per year = 13 months worth of payments. Modest savings.
Accelerated bi-weekly — Your payment is still half of a monthly payment, but you make 26 payments = the equivalent of 13 monthly payments per year. That extra month of principal goes directly to reducing your balance — and it's the option that generates significant savings.
Most lenders offer both options. Always choose accelerated if the goal is paying off sooner.
Why the Extra Month Matters So Much
Because your mortgage balance is amortizing, every extra dollar you pay in the early years of a mortgage reduces your balance during the period when the highest proportion of each payment is interest. A $100 extra payment in year 1 is worth more than a $100 extra payment in year 20.
A Real Example
$500,000 mortgage, 5.0% rate, 25-year amortization:
| Payment Type | Annual Payments | Amortization | Total Interest | |-------------|-----------------|-------------|---------------| | Monthly | $34,800 | 25 years | $542,000 | | Accelerated bi-weekly | $34,800* | ~22 years | $464,000 |
*Same annual cash outflow — the accelerated version works because of how the extra payments hit principal.
Savings: ~$78,000 in interest and 3 years off the mortgage — for the same annual spending.
Other Prepayment Options
Most Canadian mortgages allow annual lump-sum prepayments (typically 10–20% of the original principal). Even one or two extra payments per year dramatically accelerates payoff. Check your mortgage terms for the exact limit.
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→ Bi-Weekly Payment Savings Calculator
Official Resources
- FCAC — Mortgage Prepayment — consumer guide on prepayment privileges
- FCAC — Bi-Weekly Mortgage Payment Calculator — official FCAC mortgage tool
- CMHC — Managing Your Mortgage — CMHC guide to mortgage management and early payoff