Mortgage interest is calculated monthly based on your remaining principal loan balance. By sending extra money designated specifically toward principal, you immediately lower the balance upon which all subsequent interest is computed, creating a snowball effect of savings.
🏡 Home Finance & Wealth Building
Mortgage Extra Payment Calculator
See how making extra principal payments shaves years off your mortgage and saves tens of thousands in interest.
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💰 TOTAL INTEREST SAVED
You will save an estimated:
$72,400
⚡ Pay off 5 years & 4 months earlier!
Loan Comparison Overview
How your standard mortgage stacks up against the accelerated payoff plan:
Standard Plan No extra pay
Monthly P&I
$2,270.28
Total Interest
$467,299
Total Cost (P+I)
$817,299
Payoff Time
30 years
Accelerated Plan With extra
New Monthly Payment
$2,470.28
Total Interest
$394,899
Total Cost (P+I)
$744,899
New Payoff Time
24.6 years
Amortization Schedule
| Period | Principal | Interest | Extra Paid | Remaining Balance |
|---|
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Frequently Asked Questions
Paying half your mortgage payment every two weeks results in 26 half-payments a year (equivalent to 13 full monthly payments instead of 12). That single extra payment each year automatically cuts 4 to 6 years off a standard 30-year fixed loan.
Paying off a 6.75% mortgage guarantees a risk-free 6.75% after-tax return on your money. If your mortgage rate is under 3.5%, investing in broad market index funds historically yields higher returns; however, at rates above 6%, paying down principal offers guaranteed, high-yield peace of mind.