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Mortgage calculator NZ

See your home loan repayment at today's lowest bank rates, what you'd pay back in total, and what a rate rise would add.

$742 a week

$1,157,416 paid back in total

Under 20% down, banks can add a low-equity margin to the rate.

The lowest fixed rate for each term across eight banks, and the lowest floating rate, with 20% equity. ANZ, ASB, TSB, Westpac and SBS charge no set-up fee; BNZ up to $150.

years

Up to 30 years.

How often

Pick how often you're paid.

Borrowed $600,000 · $557,416 interest

If your rate rose 1 point at refix: $829 a week, $87 more.

Find out the rate I'd get on my home loan

Estimate only, not a quote or an approval. Your rate depends on your credit and the lender. Rates checked 21 Oct 2026.

What does $600,000 cost at each fixed term?

The 6-month rate is the cheapest today at $725 a week. The 5-year rate costs $82 a week more and buys you five years without a rate change.

Fixed forLowest rate (p.a.)Each weekPaid back in total
6 months4.79%4.79%$725$1,131,194
1 year4.99%4.99%$742$1,157,416
2 years5.29%5.29%$767$1,197,289
3 years5.59%5.59%$793$1,237,794
5 years5.75%5.75%$807$1,259,650
Floating5.69%5.69%$802$1,251,434

$600,000 over 30 years, weekly, as if the rate held for the whole loan. Sources: ANZ, ASB, BNZ, Westpac, Kiwibank, TSB, SBS Bank and the Co-operative Bank rate pages, checked 21 Oct 2026.

Ask a broker which term suits me

Why does the rate matter so much on a mortgage?

Because the rate works on a big balance for up to 30 years. Every 0.25 point on $600,000 over 30 years is about $21 a week.

Banks publish their rates, and a broker can ask a bank to beat its published rate. Bring the rate you get back into the calculator to see your own figure.

Questions about mortgages

How much is a $500,000 mortgage a week in NZ?

$618 a week over 30 years at 4.99% p.a. fixed, with $964,514 paid back in total. That's the 1-year rate at ANZ, ASB and TSB, and your repayment changes when you refix.

How much income do I need for a $500,000 mortgage?

Most bank lending has to stay within 6 times your income before tax, so $500,000 of debt needs about $83,400 a year on that rule alone. Banks also check you could pay at a higher test rate and count your living costs, so many people need more.

Is it cheaper to pay weekly or fortnightly?

Barely. On $600,000 over 30 years at 4.99%, weekly costs $240 less in total than fortnightly ($1,157,416 against $1,157,656). Pick the one that matches your pay.

What if rates go up when I refix?

Each point adds about $87 a week on a $600,000 loan. Try your rate plus 1 or 2 points before you commit.

Can I pay my mortgage off faster?

Yes. On a fixed loan, ANZ lets you add up to $250 a week and a 5% lump sum a year, BNZ and Kiwibank 5% a year, and TSB up to $10,000 a year without a break fee (checked 21 Oct 2026). See what it saves with the extra repayments calculator.

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