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Mortgage Repayment Calculator

📅 Updated 24 April 2026·📊 Summary, chart and repayment schedule

Calculate a full mortgage repayment schedule with a monthly repayment estimate, total paid, total interest, payoff date, a yearly chart, and a switchable annual or monthly repayment table.

Mortgage Repayment Calculator

$
Years
%
$5,303 Monthly Mortgage Repayment
$636,393 Over 120 payments
$136,393 Total Interest
Apr 2036 Pay-off Date
Interest Principal Balance

Mortgage Repayment Schedule

Year Principal Interest Total Paid Balance
Totals $0

Calculations assume a constant interest rate over the whole term and fixed monthly mortgage repayments. The schedule is intended as a guide and does not include fees, redraws, rate changes, or missed payments.

Principal vs interest

The stacked bars show how each year's payments are split between reducing the loan balance and covering interest.

Balance line

The balance line helps readers see how quickly the remaining mortgage drops over the life of the loan.

Schedule detail

Switch between annual and monthly views when you want either a clean overview or a more detailed repayment schedule.

Why Use a Mortgage Repayment Calculator NZ?

Entering the New Zealand property market demands solid financial foresight. A dependable mortgage repayment calculator NZ allows you to test multiple lending scenarios by adjusting your house price, deposit, interest rate, and loan term. Discover exactly what your repayments will look like and step into your next open home with absolute confidence.