BUYER & SELLER TOOLS
Early Paydown
A little extra toward principal every month quietly erases years of payments. See exactly how much time and interest you'd save.
Estimates only — not a lending quote. Talk to Ethan for numbers specific to your situation.
The quiet power of extra payments
Amortization is front-loaded: in the early years of a mortgage, most of each payment is interest. That's exactly why extra principal payments early in the loan punch so far above their weight — every extra dollar skips ahead in the schedule and cancels all the future interest that dollar would have generated.
This calculator simulates your actual amortization month by month with your extra payment applied, then reports the months shaved off and total interest saved. The results routinely surprise people — modest extra payments can eliminate years of payments.
Utah specifics worth knowing
- Check the opportunity cost honestly: extra principal 'earns' your mortgage rate, guaranteed. If your rate is from the low-rate era, investing or paying down higher-rate debt (see the Blended Rate tool) may beat prepaying.
- Most conventional loans have no prepayment penalty, but confirm yours before starting a big paydown plan.
- If you're prepaying because you plan to sell soon, run the Seller Net Sheet instead — the payoff balance flows straight into your proceeds.
Common questions
Is it worth paying extra on my mortgage?
Mathematically, extra principal earns you a guaranteed return equal to your interest rate. Whether that's your best use of money depends on your rate, your other debts, and your investment alternatives. At higher rates it's compelling; at low locked rates, many households do better funding retirement accounts first. The calculator shows the mortgage side of that equation precisely.
What's the fastest way to pay off a mortgage early?
Consistent extra principal each month beats occasional lump sums of the same total, because earlier dollars cancel more interest. Even one extra payment per year — the classic biweekly-payment trick — typically removes several years from a 30-year loan.
Does paying extra change my monthly payment?
No — with a standard fixed loan, extra principal shortens the loan's life but the required payment stays the same. If you want a lower required payment, that's a refinance or recast conversation, not a prepayment one.