Mortgage Payoff Calculator
See how fast you can pay off your mortgage.
Inputs
Current Mortgage Balance
$
Interest Rate
%
Payment Amount (leave 0 = auto)
$
Payment Frequency
How the payment is calculated
Because payment is $0, the calculator uses a 30-year amortization and estimates the required monthly payment.
First payment interest
$1,750
First payment principal
$459
Minimum to reduce balance
$1,751
30-year auto payment
$2,209
The interest/principal split changes each payment. Early payments are mostly interest; later payments shift more toward principal as the balance falls.
Payoff Results
30 yrs
≈ 360 months
Payment / Period
$2,209
Total Interest
$395,173
Total Paid
$795,173
Payment FrequencyMonthly
Payoff Time30.00 years
First Payment Interest$1,750
First Payment Principal$459
Final Payment Interest$10
Final Payment Principal$2,199
Total Interest Paid$395,173
Total Amount Paid$795,173
Formula used
Every payment is recalculated against the remaining balance: interest = remaining balance × periodic rate. Principal = payment − interest. As the balance gets smaller, interest decreases and principal increases.
Educational estimate only. Assumes constant interest rate and consistent payments.