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Mortgage Calculator

Free Mortgage Effective Interest Rate Calculator for New Zealanders

Your headline rate is rarely the rate you actually pay. Add fees, low-equity premiums, and any other costs to see the true effective interest rate on your loan.

Your loan and fees

$650,000
$
$50k$2M
6.50%
%
1%12%
30 years
years
5 yrs35 yrs
$1,200
$
$0$10k
0.25%
%
0%2%
Effective interest rate
6.81%
all-in cost of the loan

Based on a $650,000 loan at 6.50% headline plus 0.25% low-equity premium and $1,200 in one-off fees.

Headline rate6.50%
+ Low-equity premium0.25%
+ Fees amortised0.06%
Total effective rate6.81%

About our Effective Rate Calculator

Disclaimer: This calculator is for information only and does not constitute financial advice. Real-world figures may differ due to fees, rounding, rate changes, and policy specifics. Always confirm figures with the relevant provider before signing anything.