Loan Guide

Mortgage Repayments on $500,000 (2026)

Monthly repayments on a $500,000 home loan are $3,160 at 6.5% over 30 years. Over the life of the loan, you'll pay $637,722 in interest, bringing the total cost to $1,137,722.

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Monthly repayment $3,160 at 6.5% over 30 years
Total interest $637,722
Total cost $1,137,722
Interest / principal 128%

Repayments at Different Rates

How repayments on $500,000 change with interest rate, all at 30-year term:

Rate Monthly Fortnightly Weekly Total Interest Total Cost
5.0% $2,684 $1,238 $619 $466,279 $966,279
5.5% $2,839 $1,310 $655 $522,020 $1,022,020
6.0% $2,998 $1,383 $691 $579,191 $1,079,191
6.5% $3,160 $1,458 $729 $637,722 $1,137,722
7.0% $3,327 $1,535 $767 $697,544 $1,197,544
7.5% $3,496 $1,613 $806 $758,586 $1,258,586
8.0% $3,669 $1,693 $846 $820,776 $1,320,776

Repayments by Loan Term

How the term length affects your repayments and total cost on a $500,000 mortgage at 6.5%:

Term Monthly Total Interest Total Cost
15 years $4,356 $283,997 $783,997
20 years $3,728 $394,688 $894,688
25 years $3,376 $512,811 $1,012,811
30 years $3,160 $637,722 $1,137,722

Key Facts

You'll pay 128% extra in interest On a $500,000 mortgage at 6.5% over 30 years, total interest is $637,722 — that's 128% on top of the principal.
Estimated salary needed: $126,400 Using the standard 30% serviceability ratio, you'd need a gross income of approximately $126,400 per year to service this mortgage.
Fortnightly payments save interest Switching to fortnightly payments means 26 half-payments per year (equivalent to 13 monthly payments), which reduces total interest and shortens the loan.

Compare Nearby Amounts

Loan Amount Monthly Total Interest Total Cost
$450,000 $2,844 $573,950 $1,023,950
$500,000 $3,160 $637,722 $1,137,722
$550,000 $3,476 $701,495 $1,251,495

Frequently Asked Questions

How much are repayments on a $500k mortgage?
At 6.5% over 30 years, monthly repayments on a $500,000 mortgage are $3,160. Fortnightly repayments would be $1,458.
How much interest do you pay on a $500k mortgage?
Over 30 years at 6.5%, you'd pay $637,722 in total interest on a $500,000 mortgage. That's 128% of the original loan amount. The total cost including principal is $1,137,722.
Can I afford a $500k mortgage?
Using the common 30% serviceability rule, you'd need a gross salary of approximately $126,400 to comfortably afford repayments of $3,160/month on a $500,000 mortgage at 6.5%. Lenders may assess at higher stress-test rates.
Is a 15 or 30 year mortgage better for $500k?
A 15-year term on $500,000 at 6.5% costs $4,356/month but saves $353,725 in interest compared to 30 years. The 30-year option has lower repayments of $3,160/month but costs $1,137,722 total.
Should I pay fortnightly on a $500k mortgage?
Paying fortnightly effectively makes 26 half-payments per year (equivalent to 13 monthly payments instead of 12). On a $500,000 mortgage, this can shave years off the loan and save tens of thousands in interest.

Need a more detailed breakdown?

Our Mortgage Calculator lets you model stress tests, offset accounts, extra repayments, and compare refinancing scenarios.

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