Loan Details
Extra Payments
Applied to principal at loan start
Payment Comparison
| Standard | With Extra Payments | Savings | |
|---|---|---|---|
| Monthly Payment | $1,896 | $2,096 | +$200/mo |
| Total Interest | $382,633 | $279,185 | $103,449 |
| Total Cost | $682,633 | $579,185 | $103,449 |
| Payoff Date | January 2055 | February 2048 | 6y 11m earlier |
Amortization Summary
| Year | Standard Balance | Extra Pmt Balance | Balance Saved |
|---|---|---|---|
| Year 1 | $296,647 | $294,174 | $2,473 |
| Year 2 | $293,069 | $287,958 | $5,111 |
| Year 3 | $289,252 | $281,325 | $7,926 |
| Year 4 | $285,179 | $274,249 | $10,930 |
| Year 5 | $280,833 | $266,698 | $14,135 |
| Year 6 | $276,196 | $258,642 | $17,554 |
| Year 7 | $271,249 | $250,046 | $21,203 |
| Year 8 | $265,970 | $240,875 | $25,095 |
| Year 9 | $260,338 | $231,089 | $29,249 |
| Year 10 | $254,328 | $220,648 | $33,681 |
Interest Saved
$103,449
by making extra payments
Payoff Dates
Regular payoff date
January 2055
New payoff date
February 2048
Time Saved
6
Years Saved
83
Months Saved
Total Interest Comparison
Standard loan total interest
$382,633
New total interest
$279,185
See How Extra Payments Change Your Mortgage
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How Extra Mortgage Payments Work
Extra Payments Go to Principal
When you make an extra payment, it is applied directly to your loan principal — not interest. This reduces your balance faster, which means less interest accrues each month.
Compounding Savings Effect
Each extra payment reduces your balance, which reduces next month's interest charge. This creates a compounding effect — the savings grow over time, not just in the final years.
Lump Sum vs. Monthly Extra
A one-time lump sum payment (like a tax refund) makes an immediate large impact. Monthly extra payments build savings consistently. Both strategies are effective — combining them is even better.
Check for Prepayment Penalties
Most modern mortgages allow extra payments without penalty. However, some loans — especially older ones — may have prepayment penalties. Check your loan documents before making large extra payments.
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