Briana McDonagh
Briana McDonagh Mortgage Adviser · NZ
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Mortgage Repayment Calculator | Briana McDonagh
Free Tool

Mortgage repayment calculator

Get an instant estimate of your weekly, fortnightly and monthly repayments. See how making extra payments could save you time and money.

Your loan details
Loan Amount
$
$50k$500k$1M$2M
Slide or type
Interest Rate
%
1%4%8%12%
Slide or type
Loan Term
yrs
5152530
Slide or type (5–30)
💡 Increase your payments
See how much sooner you could pay off your loan by adding a little extra each payment.
$ extra
Loan Balance Over Time
Minimum repayments
With extra payments
Weekly repayment
$0
Fortnightly repayment
$0
Monthly repayment
$0
Loan summary
Total repaid$0
Total interest$0
Interest saved with extra payments$0
Time saved
💰
Want to discuss your options? These are estimates. I can find you the best actual rates available.
Get in touch →

⚠️ These figures are estimates only, calculated on the assumption that your interest rate remains constant for the full loan term. In reality, interest rates change at refix and your actual repayments will vary. This calculator does not constitute financial advice. For personalised mortgage advice, get in touch with Briana.

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Briana McDonagh - Mortgage Adviser
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Briana McDonagh - Mortgage Adviser
Home
About
Get In Touch
Home Buying Toolkit
Blog
Home
About
Get In Touch
Home Buying Toolkit
Blog
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Briana McDonagh
Briana McDonagh Mortgage Adviser · NZ

Helping first-home buyers, homeowners and investors across New Zealand find the right mortgage with clarity and confidence.

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  • Disclosure statement
© 2025 Briana McDonagh. Operating under Guardian Smith Mortgages. All figures are estimates only and do not constitute financial advice.
Part of Guardian Smith Mortgages